3ChannelDigital Subwoofer Amplifier Board

Build a compact, high-power audio system with this 3 Channel Digital Subwoofer Amplifier Board, designed for DIY speakers, home audio projects, custom sound systems and other electronics applications. The board uses a TPA3116D2-compatible Class-D amplifier design and provides separate left, right and subwoofer outputs for a 2.1-channel audio setup.

With a 1224V DC supply, the board is suitable for projects where you need a higher-power audio output without using a large traditional amplifier. It provides two 50W channels for the left and right speakers and a dedicated 100W subwoofer channel, with support for 48 speaker loads. Onboard volume adjustment makes it convenient to control the audio level during operation.

The Class-D design offers efficient amplification with comparatively low heat generation, making the board practical for compact speaker builds and DIY audio projects. Audio can be supplied from sources such as a Bluetooth receiver, mobile device, computer or other compatible audio source through the board’s audio input.

Disclaimer:

Please note that this 3-Channel Digital Subwoofer Amplifier Board uses a clone IC designed to offer similar functionality to TPA3116D2 digital amplifier chips. This product has been tested to ensure comparable performance and quality for compatible applications.

Why Choose a TPA3116D2 Amplifier Board?

The TPA3116D2 is widely known for its high efficiency, low distortion, and excellent thermal performance. Choosing a TPA3116D2 original amplifier board ensures stable audio output and durability for long-term usage.

Whether you are building a DIY speaker system or upgrading your audio setup, a TPA3116D2 amplifier board offers a great balance between performance and power efficiency, making it a preferred choice among audio enthusiasts and hobbyists.

Key Features:

• Utilizes two TPA3116D2 digital amplifier chips for excellent sound quality.
• Operates with a DC supply voltage range of 12V to 24V.
• Features two 50W channels for left and right speakers.
• 100W channel dedicated to the subwoofer.
• Minimizing heat generation even under high load conditions.
• Outputs are compatible with 4-8 ohm speaker configurations.
• Offers a frequency response range from 14Hz to 100kHz.
• Provides a high SNR of 100dB.
• Operates at a switching frequency of 1.2MHz.