2x50W TPA3116 Bluetooth 5.0 HiFi Stereo Digital Amplifier

2×50W TPA3116 Bluetooth 5.0 HiFi Stereo Digital Amplifier Board

Upgrade your home audio setup with this powerful 2×50W TPA3116 Digital Amplifier. Featuring Bluetooth 5.0 wireless connectivity and a dedicated AUX input, this compact stereo amplifier board delivers crystal-clear, high-fidelity sound — perfect for desktop speakers, bookshelf audio systems, and home theater builds. Built around the renowned TPA3116 Class D amplifier chip, it combines impressive power output with outstanding energy efficiency.

Available in 2 color options to match your setup or décor, and housed in a tidy protective shell for easy installation and a clean look.

Key Features

• Dual 50W Output (2×50W): Drives two channels simultaneously with rich, full-range stereo audio.
• Bluetooth 5.0: Enjoy stable, low-latency wireless audio streaming from your phone, tablet, or laptop.
• AUX Input: Plug in any 3.5mm audio source for versatile wired connectivity.
• TPA3116 Class D Chip: Industry-trusted amplifier IC renowned for high efficiency and low thermal output — runs cool even at high volumes.
• HiFi Sound Quality: Wide frequency response and low total harmonic distortion (THD) for detailed, accurate audio reproduction.
• Protective Shell Included: Durable enclosure protects the board and gives it a finished, professional appearance.
• Compact & Easy to Install: Slim form factor slots easily into custom builds, enclosures, or home audio racks.
• 2 Color Options: Choose the finish that best suits your style.

Specifications

• Amplifier Chip: TPA3116
• Output Power: 2×50W (stereo)
• Bluetooth Version: 5.0
• Input: Bluetooth 5.0 / AUX (3.5mm)
• Amplifier Class: Class D
• Audio: HiFi Stereo
• Shell: Included
• Color Options: 2 available

Who Is This For?

This amplifier board is ideal for audio enthusiasts, DIY hi-fi builders, electronics hobbyists, and anyone looking to add powerful, wireless-capable stereo amplification to a speaker project or home audio system — without the bulk or price of a full commercial unit.

For more information on audio electronics standards and safe use of consumer electronic devices, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What does the TPA3116 chip do in this stereo digital amplifier?

A: The TPA3116 is a high-performance Class D amplifier IC from Texas Instruments. It powers both stereo channels at up to 50W each, delivering efficient, high-fidelity audio with minimal heat generation — making it a popular choice for home audio and DIY speaker builds.

Q: Can I use this amplifier with a wired audio source as well as Bluetooth?

A: Yes! This amplifier features both Bluetooth 5.0 wireless input and a standard 3.5mm AUX input, so you can switch between streaming from your phone or tablet wirelessly and connecting a wired device like a TV, CD player, or computer.

Q: Is the protective shell included, and how difficult is it to set up?

A: Yes, the amplifier comes with a protective shell included. Setup is straightforward — simply connect your speakers to the speaker output terminals, power the unit, and pair via Bluetooth or plug in via AUX. No advanced technical skills are required.

Q: What types of speakers are compatible with this 2×50W amplifier?

A: This amplifier is compatible with most passive (unpowered) stereo speakers. It is best matched with speakers rated at 4Ω–8Ω impedance. Check your speaker specifications to ensure compatibility for the best audio performance.