TPA3116D2 2.1 Channel 50W+50W+100W Subwoofer Amplifier Board

The TPA3116D2 2.1 Channel Amplifier Board is a high-power Class D digital amplifier delivering 50W + 50W stereo and 100W subwoofer output. Built around the TPA3116D2 IC with a red PCB design, it features three independent potentiometers for total volume, subwoofer volume, and stereo sound volume control — making it perfect for DIY 2.1 speaker systems.

• IC: TPA3116D2
• Output Power: 50W + 50W (stereo) + 100W (subwoofer)
• Supply Voltage: 12V – 24V DC
• Audio Input: Dual RCA (L/R) + 3.5mm AUX jack
• Speaker Output: Screw terminals — Left, Right, Subwoofer
• 3 onboard potentiometers: Total volume, Subwoofer volume, Stereo volume
• Large toroidal inductors for clean power delivery
• Onboard heatsink for thermal management
• Includes mounting standoffs, screws, and nuts
• Power indicator LED

Ideal for DIY 2.1 home theater systems, desktop speaker builds, car audio projects, and any high-power stereo + subwoofer amplifier application.

1. 📦 For more details, see our Shipping Policy
   📦 For more details, see our Return & Refund Policy