DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board

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  • Product SKU: KG552
₹ 1,049 ₹ 1,679
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The TPA3116D2 2.1 Channel 2x 50W + 100W Digital Subwoofer Power Amplifier Board Module

Is a versatile audio amplifier module designed for building or upgrading audio systems, particularly those with 2.1 channel audio setups, which typically include two satellite speakers and one subwoofer.

Here are the key features and components of this amplifier module:

TPA3116D2 Amplifier Chip: This module is based on the TPA3116D2 audio amplifier chip, which is known for its efficiency and high-quality audio output. It supports both stereo (2.0) and 2.1 channel audio configurations.

Output Power: The module offers a total output power of 2x 50 watts for the two satellite channels (left and right speakers) and 1x 100 watts for the subwoofer channel. This provides a powerful audio amplification solution for a variety of speaker setups.

2.1 Channel Configuration: The module is specifically designed for 2.1 channel audio systems, making it suitable for multimedia speakers, home theater systems, and other applications where you want to reproduce low-frequency bass sounds through a dedicated subwoofer.

Input Options: It typically includes a variety of input options, such as stereo analog RCA inputs and possibly a 3.5mm audio input jack. This allows you to connect different audio sources to the amplifier, such as smartphones, computers, TVs, and audio players.

Bass/Treble Control: Some versions of this module may include onboard bass and treble control potentiometers, which allow you to adjust the tone characteristics of the audio output to your preferences.

Power Supply: The module typically operates on a DC power supply in the range of 12-24 volts. You need to provide the appropriate voltage and current to power the amplifier effectively.

Speaker Outputs: It has terminals for connecting the left and right satellite speakers and the subwoofer. Ensure proper speaker polarity when making these connections.

Heat Sink: To dissipate heat generated during operation, many of these modules have a built-in heat sink. Adequate cooling is important to prevent overheating and maintain the amplifier's performance.
DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board

Technical Details

  • 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


  • Adopts two high-quality TPA3116D2 digital amplifier chips.
  • Good sound quality, highly efficient device, and has 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.
  • Users can adjust the volume by themselves easily.
  • Applicable speaker impedance: 4-8 ohm.
  • Just connect the power supply and loudspeaker box, and enjoy pure digital music!

Physical Attributes

  • L x W x H (mm): 100 x 70 x 30
  • Weight (gm): 113

Package Includes

  • 1 x DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board

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