Smart Home Audio 2/4 Channel Wireless Bluetooth Mini Amplifier 4'' Touch Screen FM Radio AUX TF Card Function In Wall Amplifier

SPECIFICATIONS:

● Output Power: RMS 2x25W or RMS 4x20W



PW420B   2CH Speaker Output 2*25Watts  



PW4420B   4CH Speaker Output 4*20Watts 

● RS485 function optional:  if you need RS485 function, please add a note in the order or talk to our customer service, if not, we will send the model not with RS485 function. Only PW420B can be added RS485 terminal.

(RS485 is the terminal to connect to your smart home device host)





● Output Impedance: 4-8Ω 





● T.H.D.: 0.03% 





● Frequency Response: 20Hz-20KHz 





● Audio S/N: 98dB 





● Memory Card: up to 32G 





● Size: 86*86*11mm  

PLEASE NOTE:

In some country, the FM Radio Function may not works well, because the signal may be affected due to different frequencies in different countries and regions. 

PACKAGE INCLUDED:

1. wall amplifier device*1

2. remote control

3. mounted box, bracket and screw  





In Wall Amplifier Bluetooth Instructions:

1. Speaker: Speaker wire (200 cores). RVH2X100,RVH2X200 connect to SPK R+ SPK R-.

2. Audio output wire: Audio wire (three core shielded wire: commonly known as microphone wire). RVVP2X0.5, RVVP2X0.75 connect to OUT R +OUT L+GND. Can be connected to other amplifiers.

3. Audio input wire: Audio wire (three core shielded wire: commonly known as microphone wire). RVVP2X0.5, RVVP2X0.75 connect to AUX L+AUX R+GND.

4. Video output: Connect to GND+ATV for video output.

5. Trigger the doorbell: Connect to GND+DB to trigger the doorbell.

6. RS485 interface (optional): 485 cable, connected to 485A + 485B.

【if you need RS485 function, please add a note in the order or talk to our customer service, if not, we will send the model not with RS485 function 】

7. FM: Radio antenna

8. USB: External OTG USB, can read U disk with adapter.

9. TF card: Read TF card interface.

10. Power switch: long press for 2 seconds to turn on, long press for 2 seconds to turn off,  short press for lock screen / unlock.

11. Volume down key

12. Volume up key

13. Microphone

14. Power supply terminal: Connect AC110V-240V power supply.



SP-PW420B   2CH Speaker Output 2*25Watts Terminal





SP-PW4420B   4CH Speaker Output 4*20Watts Terminal