Product Description
XH-M573 high-performance 2.1 channel digital amplifier board adopts **dual TPA3116D2 chips** architecture, delivering 80W×2 stereo output for left/right channels and 100W dedicated subwoofer output.
Built-in Bluetooth receiver with high software compatibility, supports connection with most smartphones, tablets and Bluetooth audio devices. With 100dB ultra-high signal-to-noise ratio and wide frequency response, it provides clear treble, natural midrange and deep powerful bass.
Compact size and lightweight design, perfect for building 2.1 home theater systems, DIY multimedia speakers, upgrading old audio systems and car audio modification projects.
Technical Specifications
- Model: XH-M573
- Main Chips: 2× TPA3116D2
- Bluetooth Function: Built-in, high compatibility
- Power Supply: DC 12V-26V (**DC24V/3A+ recommended for best performance**)
- Output Power:
- Left/Right Channels: 80W×2
- Subwoofer Channel: 100W
- Supported Speaker Impedance: 4Ω-8Ω
- Frequency Response: 14Hz-100KHz
- Signal-to-Noise Ratio (SNR): 100dB
- Channels: 3 (Left + Right + Subwoofer)
- Product Size: 116×74×29mm
- Net Weight: 126g
Core Advantages
- ✅ Dual TPA3116D2 chips design, provides sufficient power for 2.1 channel system
- ✅ Built-in Bluetooth receiver, compatible with most Bluetooth audio devices
- ✅ 100dB ultra-high SNR, low background noise and excellent sound quality
- ✅ Dedicated 100W subwoofer output, delivers deep and powerful bass
- ✅ Wide voltage input range: DC 12V-26V
- ✅ High-quality components from leading manufacturers, stable and durable
- ✅ Compact size, easy to install in various audio enclosures
Recommended Usage
- **Power Supply**: DC 24V switching power supply with 3A or higher output current
- **Speaker Matching**: 4Ω-8Ω speakers, 50-100W for satellite speakers, 80-150W for subwoofer
- **Application Scenarios**: 2.1 home theater systems, DIY multimedia speakers, desktop audio upgrades, car audio modification, active subwoofer projects
Package List
1 × XH-M573 TPA3116D2 2.1 Channel Bluetooth Digital Amplifier Board
Notes
1. Please use a stable DC 12V-26V power supply with sufficient current (3A+ recommended)
2. Do not exceed 26V input voltage to avoid damaging the module
3. Never short circuit the speaker output terminals to each other or to ground
4. Double-check all wiring connections for correctness before powering on
5. Slight 1-3mm size deviation exists due to manual measurement
6. Item color may have minor differences influenced by different monitor displays and lighting conditions