CN110868656A - Speaker box and speaker system for speaker - Google Patents
Speaker box and speaker system for speaker Download PDFInfo
- Publication number
- CN110868656A CN110868656A CN201911149372.XA CN201911149372A CN110868656A CN 110868656 A CN110868656 A CN 110868656A CN 201911149372 A CN201911149372 A CN 201911149372A CN 110868656 A CN110868656 A CN 110868656A
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- China
- Prior art keywords
- speaker
- wheel
- sound
- loudspeaker
- amplifier
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- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000005236 sound signal Effects 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
Abstract
The invention discloses a loudspeaker box for a loudspeaker, which comprises a rear shell, a panel, a loudspeaker unit, a mounting frame and a catch wheel, wherein a first channel and a second channel are mounted on the panel; this speaker box and speaker system for speaker, through set up square plate and fender wheel in advance at the speaker box, wherein the contact of square plate lateral wall is connected and is kept off the wheel, keep off the wheel in the speaker box and can rotate, keep off and take turns to and seted up first sound-transmitting hole and second sound-transmitting hole, the user can stir on the surface of backshell and keep off the wheel, it can rotate round the pivot to keep off the wheel, stir when keeping off the wheel and arrive different positions when the user, the sound that gets into the speaker box inner chamber also can change, holistic bass effect also can change like this, the user can carry out the regulation of adaptability to the speaker box according to the demand, it is simple and convenient to adjust the operation process simultaneously, a fender wheel for the operation stretches out the speaker box, and convenient.
Description
Technical Field
The present invention relates to the field of speaker technology, and in particular, to a speaker box and a speaker system for a speaker.
Background
The speaker is also called a horn. It is a very common electroacoustic transducer, and can be found in electronic and electric equipment for producing sound. The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Naturally, the larger the speaker size, the better, the larger the size of the woofer, the better the performance in the low frequency part, which can be selected among the options. Enclosures made with high performance speakers mean lower transient distortion and better sound quality.
The speaker is generally installed in dedicated speaker box, for better bass effect, the round hole has all been seted up on the speaker box, the speaker box generally is square form, the speaker is installed to the speaker box in, a power supply, amplifier and some other accessories, current speaker box inner structure is fixed, the sound of sending just can't change after dispatching from the factory, if the user need listen to when the low pressure audio of difference, need purchase many sets of audio equipment, current speaker audio equipment can't carry out the adaptability according to user's individualized demand promptly.
Disclosure of Invention
The invention aims to provide a loudspeaker box for a loudspeaker and a loudspeaker system, wherein the device has the advantages that a user can adaptively adjust the loudspeaker box according to requirements, and the adjusting operation process is simple and convenient, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the loudspeaker box for the loudspeaker comprises a rear shell, a panel, a loudspeaker unit, an installation frame and a catch wheel, wherein a first channel and a second channel are installed on the panel, the first channel is positioned below the second channel, one end of the first channel is communicated with an inner cavity of the rear shell, the panel is installed on one side of the rear shell, the second channel is communicated with the loudspeaker unit, the loudspeaker unit, the mounting frame and the catch wheel are all positioned on the inner side of the rear shell, one end of the loudspeaker unit is connected with the inner side wall of the panel, the loudspeaker unit is assembled on the mounting frame, one end of the mounting frame is fixedly connected with the inner wall of the panel through a screw, a square plate is fixed at the other end of the mounting frame, the square plate side wall is in contact connection with a blocking wheel, a rotating shaft is installed at the center of the blocking wheel, one end of the rotating shaft is movably connected with the square plate, the other end of the rotating shaft is movably connected with a tripod through a bearing, and the tripod is fixedly connected with the inner top of the rear shell through a screw.
Preferably, the side wall of the square plate is provided with two through holes with the same size, the two through holes are distributed vertically, and each through hole is internally provided with an acoustic resistance material.
Preferably, the baffle wheel is provided with two first sound-transmitting holes and two second sound-transmitting holes, wherein the two first sound-transmitting holes are symmetrical about the central axis of the baffle wheel, the aperture value of the first sound-transmitting hole is the same as that of the second sound-transmitting hole, only one second sound-transmitting hole is provided, and the distance between the second sound-transmitting hole and the two first sound-transmitting holes is the same.
Preferably, the side edge of the catch wheel is provided with uniformly distributed convex grooves, and the catch wheel is in contact connection with the top wall of the rear shell.
Preferably, the top edge of the rear shell is provided with a support strip, and the top surface of the support strip is higher than the catch wheel.
Another technical problem to be solved by the present invention is to provide a speaker system, comprising a speaker box, a power supply, and an amplifier, wherein:
the power supply is arranged on the inner side of the loudspeaker box and is connected with the amplifier and the loudspeaker unit in the loudspeaker box, and the power supply supplies power to the amplifier and the loudspeaker unit;
the amplifier is arranged at the inner side of the loudspeaker box, the amplifier is connected with an audio jack arranged on the rear shell, the loudspeaker unit is connected with the output end of the amplifier, and the loudspeaker unit receives the audio signal amplified by the amplifier and generates output sound from the amplified audio signal;
preferably, the amplifier is configured to receive an audio signal and amplify the audio signal to generate an amplified audio signal, the audio signal comprising one of the original audio signal and a processed original audio signal.
Preferably, a baffle wheel in the loudspeaker box can rotate, and a first sound-transmitting hole and a second sound-transmitting hole which are formed in advance in the baffle wheel are communicated with the through holes in the square plate in sequence.
Compared with the prior art, the invention has the beneficial effects that:
1. this speaker is with speaker box and speaker system, the inner chamber of the one end intercommunication backshell of a passageway, sound in the backshell inner chamber can be followed first passageway promptly and released, improve the bass effect like this, fender wheel in the speaker box can rotate, fender wheel can block the through-hole, keep off the wheel simultaneously and can also make the through-hole link up, the tongue of evenly distributed has been seted up on the side edge of fender wheel, wherein the tongue is used for increasing frictional force, the top surface of backshell is stretched out to fender wheel, the fender wheel can be stirred on the surface of backshell like this, and is very convenient, the fender wheel that is used for the operation stretches out the speaker box promptly, and the operation is convenient.
2. This speaker box and speaker system for speaker, the top surface height of support bar is higher than the height that keeps off the wheel, when equipment transportation and installation, keeps off the wheel like this and can not receive the damage, guarantees equipment safety.
3. This speaker is with speaker box and speaker system, when the user stirred the fender wheel to different positions, the sound that gets into the speaker box inner chamber also can change, and holistic bass effect also can change like this, and the user can carry out the regulation of adaptability to the speaker box according to the demand, and it is simple and convenient to adjust operation process simultaneously.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of a square plate structure according to the present invention;
FIG. 3 is a schematic view of a first state of the invention in which the catch wheel is in operation;
FIG. 4 is a schematic view of a second state of the invention in which the catch wheel is in operation;
FIG. 5 is a schematic view of a third state of the invention.
In the figure: 1. a rear housing; 11. a supporting strip; 2. a panel; 21. a first channel; 22. a second channel; 3. a speaker unit; 4. installing a frame; 5. a catch wheel; 51. a first sound-transmitting aperture; 52. a second sound-transmitting aperture; 53. a convex groove; 6. a tripod; 7. a rotating shaft; 8. a square plate; 81. a through hole; 82. an acoustically resistive material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a speaker box for a speaker includes a rear housing 1, a panel 2, a speaker unit 3, a mounting frame 4 and a catch wheel 5, wherein the panel 2 is provided with a first channel 21 and a second channel 22, the first channel 21 is located below the second channel 22, an inner diameter of the second channel 22 is larger than an inner diameter of the first channel 21, one end of the first channel 21 is communicated with an inner cavity of the rear housing 1, i.e. sound in the inner cavity of the rear housing 1 can be released from the first channel 21, the panel 2 is mounted at one side of the rear housing 1, the second channel 22 is communicated with the speaker unit 3, the mounting frame 4 and the catch wheel 5 are all located at an inner side of the rear housing 1, the speaker unit 3 serves as a sound generating device of the whole speaker box, one end of the speaker unit 3 is connected to an inner side wall of the panel 2, the speaker unit 3 is mounted on the mounting frame 4, one end of the mounting frame 4 is, the other end of the mounting frame 4 is fixed with a square plate 8, the side wall of the square plate 8 is provided with two through holes 81 with the same size, the two through holes 81 are distributed up and down, and each through hole 81 is provided with an acoustic resistance material 82, the two through holes 81 are used for ensuring the bass effect, the side wall of the square plate 8 is contacted and connected with a baffle wheel 5, a baffle wheel 5 in the loudspeaker box can rotate, a first sound transmission hole 51 and a second sound transmission hole 52 which are preset on the baffle wheel 5 are sequentially communicated with the through holes 81 on the square plate 8, namely, the baffle wheel 5 can block the through holes 81, the baffle wheel 5 can also enable the through holes 81 to be communicated, the baffle wheel 5 is provided with a first sound transmission hole 51 and a second sound transmission hole 52, wherein the first sound transmission holes 51 are two in total, the two first sound transmission holes 51 are symmetrical about the central axis of the baffle wheel 5, the aperture value of the first sound transmission hole 51 is the same as that of the second sound transmission hole 52, and the aperture values of the through holes 81 are the first sound transmission hole 51, the second sound transmission hole, the distance between the second sound-transmitting hole 52 and the two first sound-transmitting holes 51 is the same, that is, the connecting line between the second sound-transmitting hole 52 and the two first sound-transmitting holes 51 forms a 90-degree angle, the side edge of the catch wheel 5 is provided with evenly distributed convex grooves 53, wherein the convex grooves 53 are used for increasing friction force, the catch wheel 5 is in contact connection with the top wall of the rear shell 1, the catch wheel 5 extends out of the top surface of the rear shell 1, so that a user can stir the catch wheel 5 on the surface of the rear shell 1, the center of the catch wheel 5 is provided with a rotating shaft 7, the catch wheel 5 can rotate around the rotating shaft 7, one end of the rotating shaft 7 is movably connected with a square plate 8, the other end of the rotating shaft 7 is movably connected with a tripod 6 through a bearing, the tripod 6 is fixedly connected with the inner top of the rear shell 1 through a screw, the top edge of the rear shell 1 is provided with a support strip 11, the top surface of the support strip 11 is, the catch wheel 5 is not damaged and the tripod 6 is used to support the shaft 7.
Based on the speaker box for the speaker, the present embodiment provides a speaker system, which includes a speaker box, a power supply, and an amplifier, wherein:
a power supply is mounted inside the speaker box, and the power supply connects the amplifier and the speaker unit 3 in the speaker box, and supplies power to the amplifier and the speaker unit 3.
An amplifier is installed inside the speaker box, the amplifier is connected to an audio jack installed on the rear case 1, the speaker unit 3 is connected to an output end of the amplifier, the speaker unit 3 receives an audio signal amplified by the amplifier and generates an output sound from the amplified audio signal, the amplifier is configured to receive the audio signal and amplify the audio signal to generate an amplified audio signal, the audio signal including one of the original audio signal and a processed original audio signal.
The loudspeaker box for the loudspeaker is characterized in that a first channel 21 and a second channel 22 are installed on a panel 2, one end of the first channel 21 is communicated with an inner cavity of a rear shell 1, namely, sound in the inner cavity of the rear shell 1 can be released from the first channel 21, so that the bass effect is improved, the panel 2 is installed on one side of the rear shell 1, a loudspeaker unit 3, an installation frame 4 and a baffle wheel 5 are all positioned on the inner side of the rear shell 1, the loudspeaker unit 3 serves as a sound production device of the whole loudspeaker box, a square plate 8 is fixed at the other end of the installation frame 4, two through holes 81 with the same size are formed in the side wall of the square plate 8, sound resistance materials 82 are installed in each through hole 81, the side wall of the square plate 8 is in contact with a baffle wheel 5, the baffle wheel 5 in the loudspeaker box can rotate, a first sound transmission hole 51 and a second sound transmission hole 52 which are formed in advance in the baffle wheel 5 are sequentially communicated with the through holes 81 in the square, meanwhile, the blocking wheel 5 can also enable the through hole 81 to be communicated, the blocking wheel 5 is provided with two first sound transmission holes 51 and two second sound transmission holes 52, the two first sound transmission holes 51 are symmetrical about the central axis of the blocking wheel 5, the inner diameter values of the first sound transmission holes 51, the second sound transmission holes 52 and the through hole 81 are the same, the distance between the second sound transmission holes 52 and the two first sound transmission holes 51 is the same, the side edge of the blocking wheel 5 is provided with uniformly distributed convex grooves 53, the convex grooves 53 are used for increasing friction force, the blocking wheel 5 extends out of the top surface of the rear shell 1, so that a user can stir the blocking wheel 5 on the surface of the rear shell 1, the blocking wheel 5 can rotate around the rotating shaft 7, and the top surface of the support strip 11 is higher than the blocking wheel 5, so that the blocking wheel 5 cannot be damaged during transportation and installation of equipment; wherein the baffle wheel 5 is adjusted according to the use requirement, so that the baffle wheel 5 can block the through hole 81 or make the through hole 81 through, specifically, when the baffle wheel 5 is shifted to the position shown in figure 3, both the first sound-transmitting holes 51 on the baffle wheel 5 are communicated with the through hole 81, the second sound-transmitting holes 52 are not communicated with the through hole 81, so that the sound entering the inner cavity of the speaker box is more, when the baffle wheel 5 is shifted to the position shown in figure 4, both the first sound-transmitting holes 51 on the baffle wheel 5 are not communicated with the through hole 81, while the second sound-transmitting holes 52 are communicated with the through hole 81, so that the sound entering the inner cavity of the speaker box is half of the previous sound, when the baffle wheel 5 is shifted to the position shown in figure 5, both the first sound-transmitting holes 51 on the baffle wheel 5 are not communicated with the through hole 81, while the second sound-transmitting holes 52 are not communicated with the through hole 81, so that the sound entering the inner cavity of the speaker box is almost, the user just can carry out the regulation of adaptability to the speaker box as required, and operation process is simple and convenient simultaneously.
The loudspeaker box and the loudspeaker system for the loudspeaker, the first channel 21 arranged on the panel 2 is communicated with the inner cavity of the rear shell 1, the sound in the inner cavity of the rear shell 1 can be released from the first channel 21, thus improving the bass effect, the loudspeaker unit 3 is taken as the sound generating device of the whole loudspeaker box, the loudspeaker unit 3 receives the audio signal amplified by the amplifier and generates the output sound from the amplified audio signal, most of the sound is directly output from the second channel 22 arranged on the panel 2, but a small part of the sound enters the inner cavity of the loudspeaker box and is released from the first channel 21, thus the bass effect is good, two through holes 81 with the same size are arranged on the side wall of the square plate 8, the sound passes through the through holes 81, the side wall of the square plate 8 is contacted and connected with the baffle wheel 5, the baffle wheel 5 in the loudspeaker box can rotate, the baffle wheel 5 can block the through holes 81, meanwhile, the baffle wheel 5 can also enable the through hole 81 to be communicated, the baffle wheel 5 is provided with a first sound-transmitting hole 51 and a second sound-transmitting hole 52, a user can stir the baffle wheel 5 on the surface of the rear shell 1, and the baffle wheel 5 can rotate around the rotating shaft 7; wherein adjust fender wheel 5 according to the user demand, it is specific, stir when going into the position that figure 3 shows when keeping off wheel 5, two first sound-transparent holes 51 all link up with through-hole 81, the sound that gets into the speaker box inner chamber is the most, stir when going into the position that figure 4 shows when keeping off wheel 5, second sound-transparent hole 52 link up with through-hole 81, the sound that gets into the speaker box inner chamber is inferior, stir when going into the position that figure 5 shows when keeping off wheel 5, the sound that gets into the speaker box inner chamber is almost none, the user just can carry out adaptive regulation to the speaker box according to the demand, operation process is simple and convenient simultaneously.
In conclusion, this speaker box and speaker system for speaker, through set up square plate 8 and fender wheel 5 in advance at the speaker box, wherein 8 lateral walls of square plate contact connection fender wheels 5, fender wheel 5 in the speaker box can rotate, first sound-transparent hole 51 and second sound-transparent hole 52 have been seted up on fender wheel 5, the user can stir fender wheel 5 on the surface of backshell 1, fender wheel 5 can rotate round pivot 7, when the user stirs fender wheel 5 to different positions, the sound that gets into the speaker box inner chamber also can change, holistic bass effect also can change like this, the user can carry out the regulation of adaptability to the speaker box according to the demand, adjust operation process simple and convenient simultaneously, keep off wheel 5 for the operation and stretch out the speaker box, the operation of being convenient for.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. Speaker is with speaker case, including backshell (1), panel (2), speaker unit (3), installing frame (4) and fender wheel (5), its characterized in that: install first passageway (21) and second passageway (22) on panel (2), first passageway (21) is located the below of second passageway (22), and the inner chamber of backshell (1) is communicate to the one end of first passageway (21), and one side at backshell (1) is installed to panel (2), and second passageway (22) intercommunication speaker unit (3), installing frame (4) and fender wheel (5) all are located the inboard of backshell (1), and the one end of speaker unit (3) is connected panel (2) inside wall, and speaker unit (3) assembles on installing frame (4), and the inner wall of panel (2) is passed through the screw fixed connection to the one end of installing frame (4), and the other end of installing frame (4) is fixed with square plate (8), square plate (8) lateral wall contact connection fender wheel (5), pivot (7) are installed to the center department of fender wheel (5), one end of the rotating shaft (7) is movably connected with the square plate (8), the other end of the rotating shaft (7) is movably connected with a tripod (6) through a bearing, and the tripod (6) is fixedly connected with the inner top of the rear shell (1) through a screw.
2. The speaker cabinet for a speaker according to claim 1, wherein: two through holes (81) with the same size are formed in the side wall of the square plate (8), the two through holes (81) are distributed vertically, and an acoustic resistance material (82) is installed in each through hole (81).
3. The speaker cabinet for a speaker according to claim 1, wherein: the wheel blocking structure is characterized in that the wheel blocking (5) is provided with two first sound transmission holes (51) and two second sound transmission holes (52), the two first sound transmission holes (51) are symmetrical about the central axis of the wheel blocking (5), the aperture value of the first sound transmission holes (51) is the same as that of the second sound transmission holes (52), only one second sound transmission hole (52) is provided, and the distance between the second sound transmission hole (52) and the two first sound transmission holes (51) is the same.
4. The speaker cabinet for a speaker according to claim 1, wherein: the side edge of the catch wheel (5) is provided with evenly distributed convex grooves (53), and the catch wheel (5) is in contact connection with the top wall of the rear shell (1).
5. The speaker cabinet for a speaker according to claim 1, wherein: the top edge of backshell (1) installs support bar (11), and the top surface height of support bar (11) is higher than the height of fender wheel (5).
6. A speaker system, characterized by: including speaker box, power and amplifier, wherein:
the power supply is arranged on the inner side of the loudspeaker box and is connected with the amplifier and the loudspeaker unit (3) in the loudspeaker box, and the power supply supplies power to the amplifier and the loudspeaker unit (3);
the amplifier is arranged on the inner side of the loudspeaker box, the amplifier is connected with an audio jack arranged on the rear shell (1), the loudspeaker unit (3) is connected with the output end of the amplifier, and the loudspeaker unit (3) receives an audio signal amplified by the amplifier and generates output sound from the amplified audio signal;
7. the speaker system of claim 6, wherein: the amplifier is configured to receive an audio signal and amplify the audio signal to generate an amplified audio signal, the audio signal including one of the original audio signal and a processed original audio signal.
8. The speaker system of claim 6, wherein: a baffle wheel (5) in the loudspeaker box can rotate, and a first sound-transmitting hole (51) and a second sound-transmitting hole (52) which are formed in advance in the baffle wheel (5) are sequentially communicated with a through hole (81) in the square plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149372.XA CN110868656A (en) | 2019-11-21 | 2019-11-21 | Speaker box and speaker system for speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149372.XA CN110868656A (en) | 2019-11-21 | 2019-11-21 | Speaker box and speaker system for speaker |
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| Publication Number | Publication Date |
|---|---|
| CN110868656A true CN110868656A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911149372.XA Pending CN110868656A (en) | 2019-11-21 | 2019-11-21 | Speaker box and speaker system for speaker |
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| CN (1) | CN110868656A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611959A (en) * | 2011-01-24 | 2012-07-25 | 欧力天工股份有限公司 | Loudspeaker enclosure and loudspeaker system for loudspeaker |
| CN105187996A (en) * | 2015-07-22 | 2015-12-23 | 歌尔声学股份有限公司 | Earphone |
| CN206433132U (en) * | 2017-01-20 | 2017-08-22 | 广州岳胜电子科技有限公司 | A kind of active audio amplifier |
| CN109104677A (en) * | 2018-08-24 | 2018-12-28 | 歌尔科技有限公司 | A kind of audio frequency apparatus and its low frequency adjustment structure |
| US20190149909A1 (en) * | 2016-04-29 | 2019-05-16 | Burmester Audiosysteme Gmbh | Bass reflex tube for a loudspeaker |
-
2019
- 2019-11-21 CN CN201911149372.XA patent/CN110868656A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611959A (en) * | 2011-01-24 | 2012-07-25 | 欧力天工股份有限公司 | Loudspeaker enclosure and loudspeaker system for loudspeaker |
| CN105187996A (en) * | 2015-07-22 | 2015-12-23 | 歌尔声学股份有限公司 | Earphone |
| US20190149909A1 (en) * | 2016-04-29 | 2019-05-16 | Burmester Audiosysteme Gmbh | Bass reflex tube for a loudspeaker |
| CN206433132U (en) * | 2017-01-20 | 2017-08-22 | 广州岳胜电子科技有限公司 | A kind of active audio amplifier |
| CN109104677A (en) * | 2018-08-24 | 2018-12-28 | 歌尔科技有限公司 | A kind of audio frequency apparatus and its low frequency adjustment structure |
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Application publication date: 20200306 |