915 Generation TPA3255 High Bass Subwoofer 2.1 Channel Bluetooth Amplifier

interfaces, multi-functional and strong compatibility.
AUX audio connection adjustment of left and right channel treble and bass/subwoofer adjustment 360-degree stepless tuning.
Volume adjustment: high-end encoder knob adjustment, feel
Protection mechanism: overvoltage, undervoltage, overheating, clipping, short circuit, etc.
Unique function: support Audio-APP control Product name: 2.1 channel bluetooth audio power amplifier board
Product model: -S350H
Bluetooth version: 5.1
Signal-to-noise : 92dB
Frequency range: 20Hz-20KHz
Power supply: DC18-38V/10A or more audio
Channel: 2.1 channel
Audio output: left and right channels + subwoofer
Audio input: Bluetooth+AUX+U disk+USB sound card
Output power: 220W*2 (left and right channels) + 350W (subwoofer)
Left and right channel maximum output power: 220W/3Q2--36VDC 175W/4Q2--36VDC 100W/8Q2--36VDC
Subwoofer maximum output power: 355W/2Q--36VDC 250W/3Q--36VDC 195W/4Q--36VDC
Subwoofer (subwoofer) compatible speaker: 20W-200W/2Q-8Q
Product size: 133 x 130 x 25mm
Material: PCB
colour: black Package Contents:
1 x Top cover plate
1 x Bottom cover plate
1 x PCB board
1 x screwdriver
4 x M2x18 copper pillar
4 x M2x4+3 copper pillar
5 x button cap
8 x M2x3mm screws Only the above package content, other are not included.
Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.