Sell AIYIMA Mini 5V Bluetooth 5.0 Amplifier Audio Board 5W*2+10W 2.1 Subwoofer Amplifier Digital Amp Home Sound Theatre best price

Product description: Bluetooth version: Bluetooth 5.0 Power supply: DC4.8-5V, voltage can not be higher than 5V; current 2.5-3A. If the power supply and the speaker are not well matched, and the level of the sound source is not up to the requirement, the power will not be achieved. Speaker requirements: (Satellite) left and right channel speaker: select 4 ohm (Ω) / 5W full-range speaker. (Please use 4 ohms and 3W for USB power supply) (WOOFER) Woofer: Choose 3 Ω-4 Ω (Ω) 10W-15W Woofer. Never use 6 Ω or 8 Ω woofer; (Please select 4 Ω 5W for USB power supply) Audio input: optional MP3, MP4, computer, PC, mobile phone, etc. Output power: 5W*2+10W Wiring instructions: 1. Power supply red 2P seat: “DC5V+” is connected to “5V+DC-IN” on the power amplifier board, and “negative/-” is connected to “GND/-” on the power amplifier board. Left and right channel (Satellite) speakers: 4 ohm (Ω) / 5W full speakers. (USB power supply selects 3W) Woofer (WOOFER) speaker: 4 ohm (Ω) / 10W-15W woofer. For the bass, it is recommended to use the impedance of 3 ohms - 4 ohms (Ω) speakers, and never use 6 ohm or 8 ohm woofer (USB power supply selects 5W) 2. 3.5AUX audio input: audio input uses a dual channel 3.5 audio ear 3. woofer: white 2P seat connected to the woofer: the upper pull negative / lower horn positive, 10W / 4 ohm load 4.left and right channel speakers: white 2P block each connected 4 ohm 5W full-range speaker: connected to the speaker negative / under the speaker is positive or lotus audio seat inside and outside negative 5. 3P socket OUT audio output: If you need to connect other power amplifiers can be connected from here (intermediate audio ground, both sides are R and L. Package included: 1Pcs