XH-M139 2.1 Channel Digital Power Amplifier Board,
1,000.00৳ 1,100.00৳ (-9%)
The XH-M139 is a compact, high-efficiency 2.1 channel Class D digital amplifier board designed for DIY audio projects. It features two TPA3116D2 chips to deliver powerful, clear sound with a dedicated subwoofer output.
- Output Power: 200W Total (50W Left + 50W Right + 100W Subwoofer).
- Voltage: DC 12V–24V (24V recommended for maximum performance).
- Inputs: 3.5mm AUX or 3-pin terminal.
- Controls: Independent knobs for Master Volume, Treble, and Bass/Subwoofer.
- Best For: Creating custom home theater setups, 2.1 desktop speakers, or upgrading car audio.
Are you looking for a compatible power supply to get this board up and running?
XH-M139 2.1 Channel Digital Power Amplifier Board,
The XH-M139 is a high-performance 2.1 Channel Digital Power Amplifier Board based on two TPA3116D2 chips. It is designed for DIY audio enthusiasts to build compact home theater or car stereo systems.

Key Features
- Dual-Chip Configuration: Uses two high-efficiency Class D chips; one for stereo channels and another in bridge mode with an NE5532 pre-amplifier for the subwoofer.
- 2.1 Audio Output: Provides dedicated outputs for Left (50W), Right (50W), and Subwoofer (100W) channels.
- Wide Voltage Range: Operates on DC 12V to 24V, allowing flexibility for different power sources.
- Onboard Controls: Includes three potentiometers for independent adjustment of total volume, subwoofer frequency, and satellite volume.
Technical Specifications
Specification Detail Model XH-M139 Amplifier Chip 2x TPA3116D2 Supply Voltage DC 12V – 24V (24V recommended for max power) Output Power 2x 50W (L/R) + 100W (Subwoofer) Speaker Impedance 4 – 8 ohms Frequency Range 14Hz – 100kHz SNR 100dB Board Size 100 x 70 x 30 mm (approx. 3.94″ x 2.75″ x 1.18″)






















































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