220W*2+350W Bluetooth 5.1 TPA3251D2 Subwoofer Audio Power Amplifier Board 2.1 Channel Class D Audio Amplifier Home Theater AUX
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Specifications
- Brand Name
- RIXITE
- RIXITE Model
- XY-S350H
- Maximum Power Per Channel
- Above 200W
- Origin
- Mainland China
- Package
- Yes
- Channels
- 3 (2.1)
- Certification
- CE
- Model Number
- xy-s350h
Product Description
Product name: 2.1 channel bluetooth audio power amplifier board
Power supply: DC18-38V/10A or more
Bluetooth version: 5.1
Audio channel: 2.1 channel
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left and right channels + subwooferFrequency range: 20HZ-20KHZ
Volume adjustment: high-end encoder knob adjustment, smooth feel
Maximum output power of left and right channels: 220W/3Ω--36VDC
175W/4Ω--36VDC
100W/8Ω--36VDC
Maximum output power of subwoofer: 355W/2Ω--36VDC
250W/3Ω--36VDC
195W/4Ω--36VDC
Protection mechanism: protection against overvoltage, undervoltage, clipping, short circuit, overheating, etc.
Unique function: Support Sinilink-APP, modify the Bluetooth name, set the Bluetooth password, turn off/on the prompt tone
Product size: 130mm*116mm*27mm
Product weight: 370g
Pros & Cons
Pros
- High power output: 220W*2 + 350W subwoofer for powerful 2.1 channel home theater audio.
- Versatile inputs: Bluetooth 5.1, AUX, U-disk, USB sound card for easy connectivity.
- TPA3251D2 Class D efficiency reduces heat and saves power.
- Frequency range 20Hz-20kHz with volume adjustment for clear sound.
Cons
- Requires separate DC18-38V/10A power supply, not included.
- DIY amplifier board may need soldering or assembly skills.
- No built-in speakers; must pair with external subwoofer and channels.
- Limited specs on impedance matching for speakers.
Common Questions
What power supply is required for the 220W*2+350W Bluetooth 5.1 TPA3251D2 Subwoofer Audio Power Amplifier Board?
It requires a DC18-38V/10A or higher power supply for optimal performance in 2.1 channel Class D audio amplification.
What are the dimensions and material of this 2.1 Channel Class D Audio Amplifier Board?
This is a compact PCB board made with high-quality components like TPA3251D2 chip; exact dimensions not specified but designed for home theater DIY installations.
Is this Bluetooth 5.1 TPA3251D2 amplifier compatible with AUX, USB, and U-disk inputs?
Yes, it supports Bluetooth 5.1, AUX, U-disk, and USB sound card inputs, with left/right channels + subwoofer outputs for home theater setups.
How do I use the XY-S350H 2.1 channel audio power amplifier for home theater?
Connect DC power supply, wire speakers to L/R and subwoofer outputs, pair via Bluetooth 5.1 or use AUX/USB inputs, and adjust volume for 20Hz-20kHz frequency range.
Does the RIXITE XY-S350H amplifier board come with packaging for shipping?
Yes, package: Yes, includes CE certification and is shipped from Mainland China with standard protective packaging.
Product information last updated on March 30, 2026