#TPA3251 

#TPA3251 vs #TDA7498 Comparison and Audio Test
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Review and audio test of #XYS350H #TPA3251 220WX2+350W Bluetooth 5.0 Subwoofer Amplifier Board 2.1 Channel Power Audio Stereo #classD Amplifier Board Bass AMP.
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Model: #XY-S350H
Name: 2.1 channel Bluetooth audio power amplifier board
Power supply: DC12-38V/10A
Bluetooth version: 5.1
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, setthe Bluetooth password, turn off/on the prompt tone
Product net weight: 285g
Specification:
Model: XY-S220H
Item: 2.1 channel Bluetooth-compatible audio amplifier board
Power supply: above DC12-38V/10A
Bluetooth-compatible version: 5.1
Audio channel: 2.1 channel
Audio input: Bluetooth-compatible+AUX+U disk+USB sound card
Audio output: left and right channels + subwoofer
Frequency range: 20HZ--20KHZ
Volume adjustment: high-end encoder knob adjustment, smooth feel
Left and right channel maximum output power: 160W/4Ω----36V DC, 80W/8Ω---36V DC
Subwoofer maximum output power: 220W/3Ω----36V DC, 160W/4Ω----36V DC
Protection mechanism: overvoltage, undervoltage, clipping, short circuit, overheating, etc.
Unique function: Support Sinilink-APP to modify the Bluetooth-compatible name, set the Bluetooth-compatible password, turn off/on the prompt tone
Size: 134x126x26mm/5.28x4.96x1.02''
Weight: 365g