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3 Channel Digital Subwoofer Amplifier Board

3 Channel Digital Subwoofer Amplifier Board

Regular price Rs. 1,199
Regular price Rs. 1,324 Sale price Rs. 1,199
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  • The chip used in the amplifier board is TPA3116D2.
  • It consists of 50W*2+100W 2.1 channels(left/right channel and subwoofer channel).
  • The output speaker resistance is 4-8 Ohm.
  • Powered by DC 12-24V, wide input voltage.
  • The amplifier board has a frequency Response Range between14 and 20KHz.
  • The volume on the amplifier board can be easily adjusted.
  • Good sound quality, high efficient device and power amplifying feature.

3 Channel Digital Subwoofer Amplifier Board

The 3 channel digital subwoofer amplifier board runs on two high-quality TPA3116D2 digital amplifier chips. It is powered at a DC supply voltage of 12-24V. The subwoofer amplifier board has very sound quality with great amplifying power. This amplifier board has 3 channels out of which there are two 50W channels and one 100W channel that works with high efficiency and produces low heat. Users can simply connect the power supply and loudspeaker box in order to enjoy pure digital music.

Package Includes:

1 x 2.1 Channel Digital Subwoofer Amplifier Board


Supply Voltage

DC 12-24V

Main Chip

TPA3116 x 2

Channels Left, Right, and Subwoofer
Output Power

50W x 2 + 100W x 1 Subwoofer

Output Match

4-8 ohm

Audio Output


Frequency Response Range




Switching Frequency


Dimensions (LxWxH)

100 x 70 x 30 mm


113 gm

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. What is the 2.1 Channel Digital Subwoofer Amplifier Board?

  • The 2.1 Channel Digital Subwoofer Amplifier Board is a device that is used to amplify the audio signal which comes as an output from various low-powered devices. Like Mobile phones, laptops, Bluetooth Receivers or even microcontrollers.

2. How to use this Digital Subwoofer Amplifier Board?

  • The 2.1 Channel Digital Subwoofer Amplifier Board needs a power supply rated at 12-24 Volts and 3 amperes or more. The audio input signal for amplification is given using a 3.5 mm jack or by using the 3 pin header. The amplified output is taken through 3 channels as Left, Right, and Subwoofer. On each channel speakers are connected. The volume of the output can be varied by varying the potentiometers present onboard.

3. Can the Digital Subwoofer Amplifier Board play audio through bluetooth? And what is its speaker rating?

  • The 2.1 Channel Digital Amplifier Board can be connected to a Bluetooth audio receiver module. The output from the Bluetooth audio receiver is given to the Amplifier board as an input using a 3.5mm audio cable.
    It can drive 4-8 ohms speakers at 50 watts on the Left & Right channels and 100 watts on the Subwoofer channel.