Volume switch manufacturer with power amplifier background music switch active digital volume switch with power amplifier switch

( )3 3
- Scan for surprises
. . -( ) Hourly service! ! ! ! !
.
< ( ) Active volume switch with power amplifier, active volume adjuster with power amplifier, active volume controller with power amplifier, direct AC power supply, audio source input, speaker output interface, and power interface. It is an ideal product to replace active ceiling speakers and active wall-mounted speakers. It is quick to install and easy to adjust. It adopts a standard panel and can be easily installed in the bottom box of the wall switch. The entire device is waterproofed and has beautiful sound quality.
The manufacturer directly sells various switches with power amplifiers, background music switches with power amplifiers, background music audio controllers, active digital volume switches, etc. Welcome to call us! ! !
Price negotiable
.

. Please contact us before purchasing. Thank you! (Otherwise the shipment will not be made!)
. ( )
. ( ) Phone:
. ( )
. ( ) WeChat:
. ( )
. Head office address: Room, Tianya Building, No. Chengshousi Road, Chaoyang District, Beijing
. ( )
. Subway: Exit at Xiaocun Station on the Yizhuang Line and walk towards the north for 1 meter
. ( )
. Self-pickup warehouse address: No. 3, Chengshousi Road, Fengtai District, Beijing
. ( )
. Subway: Line 10, Chengshousi Station, exit at the exit and walk towards the north.
. ( )
. Branch address: South 2nd Floor, Jiatai Market, Yimei Road, Dongsheng District, Ordos City, Inner Mongolia Autonomous Region
. ( ) Branch phone number:
. ( ) Urumqi phone number:
. ( )
. ( ) Account number: Bank of China Beijing Economic and Technological Development Zone Branch
. ( ) Picture appreciation
. ./b_3.?__r
:./b_3. ?__r
:./b_3.?__r
:./b_3.?__r
:./b_3.?__r.
:./b_3.?__r
:./b_3.?__r
:.//3_3.?__r
:./b_3.?__r
:./b_3.?__r
:./b_3 .?__
:./b_3.?__r
:./b_3.?__r
:./3_3.?__r
:.//3_3.?__r
/> :.//3_3.?__r
:.//3/_3.?__r
:./b_3.?__r.