• Operates with AC 12-15V voltage (requires a separate power supply)
• Equipped with UPC1237 integrated circuit for reliable speaker protection
• Includes delay-on functionality to protect speakers from DC signals
• Heat sink on the relay power supply IC for efficient heat dissipation

Upgrade your audio system with the TPA3116D2 100W Subwoofer Amplifier Board with NE5532 OPAMP. This amplifier module offers high-quality sound performance and versatile power options, perfect for enhancing your subwoofer audio experience.

Key Features:

• High-performance TPA3116D2 digital amplifier chip
• Includes NE5532 operational amplifier
• Power range: 8V - 25V
• Single channel output: 100W
• Dual channel output: 50W (left channel) + 50W (right channel)
• Compact PCB size: 78mm x 60mm
• 5.5mm power jack interface

TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board - 50W + 50W + 100W High Bass Fidelity

Elevate your audio experience with the TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board, offering superior bass fidelity and Bluetooth connectivity. Ideal for subwoofer speakers, this board supports a powerful audio output with adjustable volume and treble controls.

• Supports Bluetooth audio receiver
• DC power supply: 12-24V
• Output: 50W (left) + 50W (right) + 100W (bass)
• Utilizes TPA3116D2 digital amplifier chip
• Wide operating voltage range: DC 11-25V
• Bluetooth receive distance: > 8m
• Audio input sensitivity: 600-800mV
• Frequency response range: 20Hz-20KHz
• Speaker impedance: Left/Right: 4-8 ohm, Bass: 2-8 ohm
• Size: 101 x 100 x 25 mm

Package Includes:

• 1x TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board

Unlock the full potential of your audio system with the TDA8954TH 420W High Power Amplifier Board. Designed for high performance, this Class AD amplifier board ensures powerful and clear sound output, making it an excellent choice for audiophiles and DIY audio enthusiasts.

Key Features:

• Input Voltage: AC24V±4V
• Input Current: >5A & 300VA
• Input Impedance: 1KΩ
• Input Signal: 1.8V
• Mono Channel
• Magnification: 33 times
• Output Power: 420W
• Output Impedance: 4-8Ω
• Job Type: AD Class
• Size: 110*102*30mm
• Net Weight: 245g

• High Efficiency: 30W + 30W power output
• Wide Voltage Range: Works with DC 8V to 26V input
• Compact Design: Small footprint for easy integration into various projects
• Excellent Signal Quality: 100db signal-to-noise ratio

The Amplifier Board TPA3116D2 offers powerful audio performance with 50Wx2 for left and right channels and 100W for the subwoofer. It operates on a DC supply voltage range of 12-24V and features dual TPA3116 chips. This 2.1 channel digital subwoofer amplifier board is designed for high-quality sound output, supporting 4-8 ohm speakers and delivering excellent signal-to-noise ratio (SNR) of 100dB. Its compact PCB board size of 100 * 70 * 30mm makes it an ideal choice for various audio projects.

Key Features:

• Supply Voltage: DC 12-24V
• Chip: TPA3116*2
• Channel Type: 3 Channels (Left, Right, Subwoofer)
• Output Power: 50W*2 + 100W
• Output Match: 4-8 ohm
• Audio Output: Terminals
• Frequency Response Range: 14-100KHz
• SNR: 100dB
• Switching Frequency: 1.2MHz
• PCB Board Size: 100 * 70 * 30mm

Experience unparalleled sound quality with our 420W Dual Channel Audio Amplifier Board, featuring the TDA8954TH Class AD power stage. Ideal for stereo audio applications, this amplifier delivers exceptional performance and efficiency.

• Max Output Power: 2*420W
• Power Supply: AC24~28V
• Channels: Dual Channels
• Output Impedance: 4~8 ohm
• Working Type: Class AD
• Efficiency: >90%
• Size: 140*104*30mm
• Weight: 250g ±5%

• 2-channel (2.0) audio output
• DC 2.5V to 5.5V power supply range
• High-quality aluminum material construction
• Compact and mini design for DIY projects

The Mono Amplifier Board features 24 transistors, utilizing two 5200 and two 1943 (not included), delivering powerful and reliable amplification. Compatible with a DC supply voltage range from 12V to 65V.

• Mini HIFI Digital Audio Amplifier: Compact and delivers high-quality sound
• Bluetooth Connectivity: Supports wireless connection for easy music streaming
• FM Radio Support: Tune into your favorite stations with the FM stereo radio

• Professional-grade crossover for high-performance audio systems
• 700W power handling capability
• Three units for versatile audio management
• Designed for professional audio equipment

• High Power Output: Delivers 400W+400W stereo output or 800W mono output
• Stable Voltage: Supports dual AC24-36V power input
• Premium Components: Built with Toshiba high-performance chips for clear and powerful sound

• Uses TPA3116D2 chip for efficient amplification
• Supports DC12-26V supply voltage
• Output power up to 120W*2
• High signal-to-noise ratio of 100dB

Enhance your bass sound with the TPA3116 100W Subwoofer Amplifier Board. This high-performance amplifier features preamplifier, bass crossover, and bass volume control, delivering powerful and clear bass output for your audio system.

Key Features:

• High-performance TPA3116D2 digital power amplifier chip
• DC 12-24V power supply
• Up to 100W bass output
• Wide operating voltage with power-saving design
• Preamp, bass crossover, and volume control

• High-power output: Delivers 420W per channel
• Original TDA8954TH chip ensures efficient Class D amplification
• Wide input voltage range: Supports AC12V-28V (recommended dual 24V transformer)
• Low distortion and high fidelity audio output

• High-quality TDA7379 power amplifier chip for clear stereo sound
• Dual-channel output with 38W+38W power for balanced audio
• Compact board size, ideal for DIY audio projects
• Wide power supply range: DC 9-17.5V for flexible use