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 Ω / 5W full-range speaker. (Please use 4 Ω and 3W for USB power supply)
4. Woofer: Choose 3 - 4 Ω 10W-15W Woofer. Never use 6 Ω or 8 Ω woofer. (Please select 4 Ω 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