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

Bluetooth amplifier FM touch screen amplifier home audio system Host function introduction
1. Capacitive full-screen touch, 4 inch IPS display, 480 * 480 resolution.
2. Music player: support MP3, WAV, WMA, FLAC, DTS, APE, AC3, OGG and other audio formats.
3. Bluetooth playback: support pairing of mobile phones and other external Bluetooth devices to achieve audio playback, support Bluetooth manual opening and automatic opening (suitable for hotel use).
3. Video format: support MPEG-1 / 2/3/4, RM / RMVB, WMV, MOV, MK, VOB, AVI, 3GP,H.264 and other video frames.
4. Radio function: built-in full digital automatic FM radio, 30 radio stations stored.
5. Timed voice message: support regular voice message, need to connect T card or U disk.
6. External sound input: support external sound source input to this machine, amplified output.
7. Time calendar: support clock and calendar display function.
8. Setting function: set the host related functions.
9. Memory card function: plug in TF card, support 32GB TF card. A
10. USB function: plug in USB card, support 32GB USB.
11. Multiple loop play modes: support single play, random play, sequential play, single loop, all loop play modes formula.
12. Timing start-up function: second-level timing start-up, automatically playing music when starting up, and supporting playing specified music regularly. A
13. Timing shutdown function: the second gear is shut down at any time. A
14. Volume adjustment: 20-level electronic volume adjustment function.
15. Power-off memory function: remember the state of playing before the last power-off.
16. Screen saver display time function: After setting the screen saver, the screen saver can display the calendar, lunar calendar, week, and time.
17. Infrared remote control function: provide various shortcut keys and humanized operation.
18. Doorbell trigger: Support external trigger doorbell function.
19. Support power-on playback.
20. The external 485 central control equipment communicates with the host through 485 to control the host function!

● Output Power: RMS 2x25W or RMS 4x20W
2CH Speaker Output 2*25Watts  
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 

M3 Specification:

● 3'' Fashion Ceiling Speaker

● Moisture-proof plastic ceiling speaker with cover

● Power: 10W/4Ω

● Sensitivity: 85dB

● 3'' Full range speaker driver

● Plastic case with rear cover

● Installation Cutout Size: Φ95-100mm

● Product Size: Φ118x76mm

● Net Weight: 250g

● Gross Weight: 300g

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. 

1. wall amplifier device*1
2. remote control
3. mounted box, bracket and screw