20W Bluetooth 5.0 5V 2.1 Channel Stereo Amplifier Digital AMP Board Module

Features: 1. This power amplifier board is powered by Bluetooth 5.0 5V 3A. After secondary development by peripheral hardware, the maximum power can be configured to reach 20W: Bass 10W + sub box 10W (5W * 2). 2. Therefore, this power amplifier board has strict requirements on the power supply and the speaker, especially the woofer. 3. (Satellite) left and right channel sub box speaker: select 4 Ohm 5W full range speaker. (Please use 4 Ohm and 3W for USB power supply) 4. Woofer: Choose 3 4 Ohm 10W 15W Woofer. Never use 6 Ohm or 8 Ohm woofer. (Please select 4 Ohm 5W for USB power supply) 5. Audio source: optional MP3, MP4, computer, PC, mobile phone, etc. Specification: Bluetooth: 5.0 Power supply: DC voltage 5V (4.8 5V), current should be 2.5A 3A or more Maximum power: 20W Package weight: approx. 29g Package list: 1 * Module 3 * Connection Cable