Audio Testing & Review IOT-Audios IOT-S350H TPA3251 220WX2+350W Bluetooth DSP, Optical, IR, USB Amp 

Review of Inkocean 2.1-Channel TPA3251 Bluetooth Digital Amplifier Module High and Low Tone Subwoofer,220Wx2+350W Amplifier Board XY-S350H
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Specifications:
Model: Iot-S350H
Name: 2.1 channel Bluetooth audio power amplifier board
Power supply: DC12-38V/10A
Bluetooth version: 5.0
DSP, Optical, IR Remote, USB
Audio channel: 2.1 channel
Frequency range: 20HZ--20KHZ
Audio input: Bluetooth+ AUX+U disk+ USB sound card
Audio output: left and right channels subwoofer
Volume adjustment: 360'encoder adjustment
Left(Right)channel max output power:220W/392-36VDC 175W/492-36VDC 100W/892--36VDC
subwoofer max output power:355W/22-36VDC 250W/392-36VDC 19W/492--36VDC
Self-protection Design: undervoltage, overtemperature, clipping, and short circuit protection
Unique function: Support Sinilink-app, modify the Bluetooth name, set the Bluetooth password, turn off/on the prompt tone
Product net weight: 500g
Colour: black
Material: plastic
Size: 130 x 116 x 27mm
Package Contents:
1 x amplifier board