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

SPECIFICATIONSBrand Name: SURPASSMaximum Power Per Channel: 20WOrigin: Mainland ChinaCertification: CEModel Number: PW420BName: In Wall Amplifier BluetoothType: Professional Wall AmplifierColor: gold, white, blackOutput Power: RMS 2x25W or RMS 4x20WOutput Impedance: 4-8OhmT.H.D.: 0.03%Frequency Response: 20Hz-20KHzAudio S/N: 98dBMemory Card: up to 32GSize: 86*86*11mmBluetooth: SupportFeature: Power Wall Mount AmplifierFeature 2: Home theater systemFeature 3: Smart Home Background Music Stereo SoundFeature 4: Digital Power AmplifierFeature 5: smart home audio systemFeature 6: Home Background Muisc System AmplifierType1: intelligent home background music controllerType 2: Smart Audio Touch Screen AmpType 3: Mini AmplificadorType 4: Preamplifier BoardFunction: FM,USB,SD, TF card, bluetoothTouch screen: Multi-touch capacitive screenAmplifier: amplifier for ceiling speakerFeatures 7: 4 Channel Wireless wall amplifier audioAmplifier Name: Bluetooth wall amplifierApplication: For office, home theater, bathroom, kitchen, living room, hotel, etc.Feature 8: Stereo Background Music PanelFeature 9: Digital Power AmplifiersFeature 10: Music Controller 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 Welcome to Visit our store~