XH-M139 DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer 2*50W Power Amplifier Board adopts two high-quality TPA3116D2 digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50W x 2+100W 2.1 channels (left/right channel and subwoofer channel), high efficiency and low-heat. Users can adjust the volume by themselves easily. It is powered by DC 12-24V, wide input voltage.
- High-Power Output: The XH-M139 TPA3116D2 2x 50W +100W 2.1 Channel Digital Subwoofer Power Amplifier Board delivers powerful audio output, ideal for users seeking a robust sound experience, especially for car audio enthusiasts.
- Versatile Voltage Range: This product supports a wide voltage range of 12-24V, making it suitable for various applications, including car audio systems, home theaters, and public address systems.
- Digital Technology: The amplifier board utilizes digital technology, ensuring precise sound reproduction and minimal distortion, providing an immersive audio experience for users.
- Multi-Channel Capability: With 2.1 channels, this amplifier board can power multiple speakers, making it an excellent choice for users who want to set up a home theater system or a car audio system with multiple speakers.
- Durable and Reliable: The product is made with high-quality materials, ensuring a long lifespan and reliable performance, as requested by a user who prioritizes durability.
Features:
- Adopts two high-quality TPA3116D2 digital amplifier chips.
- Good sound quality, high efficient device and power amplifying feature.
- 50W x 2+100W 2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
- Powered by DC 12-24V, wide input voltage.
- User can adjust the volume by themselves easily.
- Applicable speaker impedance: 4-8 ohm.
- Just connect the power supply and loudspeaker box, enjoy pure digital music!.
Specifications:
- Supply Voltage: DC 12-24V
- Main Chip: TPA3116 x 2
- Channel Type: 3 Channels : (Left Channel, Right Channel, Subwoofer)
- Output Power: 50W x 2 + 100W x 1 Subwoofer
- Output Match: 4-8 ohm
- Audio Output: Terminals
- Frequency Response Range: 14-100KHz
- SNR: 100dB
- Switching Frequency: 1.2MHz
- Size (LxWxH) mm: 100 x 70 x 30
- Weight: 113g
Package includes:
- 1 x DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board

12V 4-Channel Optocoupler Relay board Module 










Shibu k Shibu –
Everything well. Good quality, quality and safe packing, good good good.
Shibu k Shibu –
Everything well. Good quality, quality and safe packing, good good good.
Shibu k Shibu –
All fine, very good products. Extremely high response from TECHTONICS. Thankyou.