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Alhaan WA-420A 4-CH Bluetooth Wall Amplifier with Android

Alhaan WA-420A 4-CH Bluetooth Wall Amplifier with Android

This 4-channel small bluetooth multi-home audio system equipped with micro USB/TF can power 4 pieces of speakers in your home or small commercial area. It uses a high- efficiency class-D amplifier for a maximum output of 4*20 watts, lowimpedance speakers. The cool display shows relevant track music info. Plus, you can control everything –seek, change tracks, and adjust the volume – using the included wireless infrared remote controller.


  • 7 inch touch screen for easy access and control of the system
  • Multi-protocol smart home docking including 485, WIFI, etc.
  • Can install Spotify, Pandora music APPs to play real time music via WiFi
  • Support for external Bluetooth devices such as mobile phones to achieve audio playback, two-way control of playing external Bluetooth device music.
  • Support wireless microphone and family karaoke (optional function);
  • Support audio input and output function; support subwoofer access;
  • Support TF card and OTG 2.0USB interface, USB can be connected to the hard disk;
  • Suitable for homes, commercial areas, kid’s room, etc.
  • With RS 485 control

Technical Specification

Output power 4*20W
Max. power 4*40W
Speaker Impedance 4-8ohm
System Android 7.1
Network WIFI
CPU ARM Quad-Core Cortex-A35 1.2GHz
Display 7inch HD touch screen
Resolution 1024*600 IPS
Bluetooth wireless range 10M
THD 0.03% (1W.1KHZ)
Frequency response 20 Hz-20 kHz (+/-2dB)
SNR 98db
Music format Mp3, WMA, WAV, AAC, WAW, APE, OGG, etc.
Video format MPEG-1/2/3/4, RM/RMVB, WMV, MOV, MK, VOB,
AVI, 3GP, H, 264, etc.
Power Requirements 110-250VAC
Wiring box size 110*175*59mm
Product size 129*184.6*10.5mm
Weight 0.7kg
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What Are The Shipping Policy?

We Deliver within 48hrs of Order Confirmation.

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Is This Product Under Warranty

The Warranty is Given by the manufacturer that varies for different products. Please consider the terms and condition on the products.

What is the return period

Standard Return Time Frame is within 14 days of delivery

Is the Installation of this device is free?

No. You must book an appointment for a technician that will cost according to your requirements.

To call technician for installing please click here.