CN111918156A
|
|
Embedded sound effect device and sound quality improvement method
|
CN110536199A
|
|
Nearly ear formula audio device and audio reproducting method
|
CN110896515A
|
|
Sound effect device and sound effect reproduction method and sound effect listening method thereof
|
CN110620974A
|
|
High pitch loudspeaker and manufacturing method thereof
|
CN108632699A
|
|
Loudspeaker arrangement and headphone and its application
|
CN109996155A
|
|
Loudspeaker and its bullet wave and application
|
CN109996147A
|
|
Low frequency generating device and low frequency generating apparatus and its application
|
CN109996154A
|
|
Loudspeaker and its application
|
CN109275079A
|
|
Eqalizing cricuit and electro-acoustic conversion device and its manufacturing method with eqalizing cricuit
|
CN107820157A
|
|
Portable sound effect device and its manufacture method
|
CN107889032A
|
|
Double suspension side unit and folding bullet ripple and outer voice coil loudspeaker voice coil and loudspeaker
|