Enhance your audio setup with the TDA7492P 50W+50W Digital Power Amplifier Board. Key features include:

• 100% brand new and high quality
• Power supply: 2.1A inference 8-24V DC
• Stereo audio input with Bluetooth V4.0 using CSR8635 chip for high compatibility
• Output impedance: 8 ohms best (supports 4, 6, 8, 16 ohms)
• Output power: Pre-5532 output foot (powered 25V, 6-ohm output 2*50W, 8-ohm output 2*40W dual-channel)

Perfect for boosting your sound quality and delivering powerful audio output.

TPA3116D2 50Wx2 Dual Channel Class D Amplifier Board

Boost your audio projects with the TPA3116D2 Dual Channel Digital Stereo Amplifier Board. This high-efficiency Class D amplifier provides 50W per channel, offering exceptional sound quality and powerful performance.

• Power supply voltage: DC 4.5V-26V (24V recommended)
• Dual channel: 2 x 50W
• Noise ratio: 102dB
• Switching frequency: 1.2MHz
• Input reverse connection protection
• Overvoltage/low pressure protection
• Dimensions: 78 x 51.5 x 22.5 mm

Package Includes: 1x TPA3116D2 50Wx2 Dual Channel Digital Stereo DC 4.5-27V Class D Amplifier Board

CT14 Micro 4.2 Bluetooth Stereo Amplifier Module

This high-quality CT14 Micro 4.2 Bluetooth Stereo Amplifier Module is designed for those who demand the best in audio performance. Ideal for a variety of DIY audio projects, this compact module delivers powerful sound in a small package.

• Material: Electrical components
• Operating voltage: 3.7-5V DC
• Size: 40 x 20mm
• Power: 3W

Package Includes: 1x CT14 Micro 4.2 Bluetooth Stereo Amplifier Module

NE5532 Stereo Pre-Amplifier Volume Control Board

Upgrade your audio experience with the NE5532 Stereo Pre-Amplifier Volume Control Board. This board allows for precise control over treble, midrange, and bass, ensuring high-quality sound output for your projects.

• Color: Blue
• Material: Resin
• Size: 11.2cm x 7cm x 2.3cm
• Supply voltage: AC 12V

Package Includes: 1x NE5532 Stereo Pre-Amplifier Volume Control Board Treble Midrange Bass Tone Controls

Elevate your DIY audio projects with the TDA2030 Subwoofer 2.1 Amplifier Board. This powerful amplifier board features a dual AC12-15V power supply and provides 2x15W for stereo channels and 30W for the subwoofer. It's perfect for enhancing your speaker systems with high-quality sound and deep bass.

• Power supply: dual AC12-15V
• Current: greater than 3A
• Amplifier chip: TDA2030
• Power: 2X15W + 30W (subwoofer)
• Channel: 2.1 channels
• Low frequency response: 20Hz-200Hz
• Size (L*W*H): 83*108*57mm
• Weight: 164g

Package Includes: 1 x TDA2030 Subwoofer 2.1 Amplifier Board 15W*2+30W Sub Audio Stereo amplifier

• High-power Class D digital amplifier with dual-channel output.
• Requires an 8-ohm speaker, delivering 100W+100W output at 34V DC.
• Operating voltage of 15 - 34V DC (Recommended voltage: 24V).
• Efficiency of 90% for better performance and less power consumption.

Enhance your audio setup with our Mono Amplifier Board featuring 2 high-quality transistors. This amplifier board uses one 5200 and one 1943 transistor (not included), ensuring reliable performance. It operates on a supply voltage ranging from DC 12V to 35V, making it ideal for various audio applications.

Key Features:

• 2 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 35V

• Audio Modes:
  • U Disk / TF Card Decoding Playback: Supports FLAC, WAV, MP3, WMA format decoding.
  • Bluetooth Receiving Playback: Connect and play wirelessly.
  • FM Radio Function: Use remote control for FM station control (infrared).
• Amplifier Chip: TPA3116 digital amplifier ch

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%

• High-Quality Sound: Mini HiFi digital Bluetooth audio power amplifier with low distortion for clearer, stronger, and more powerful sound.
• Multiple Input Options: Supports SD/MMC Card, USB, MP3 playback, and Bluetooth wireless connection.
• FM Stereo Radio: Built-in FM radio functionality for added entertainment.

Introducing our Mono Amplifier Board featuring 20 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring powerful and reliable performance. It operates on a supply voltage ranging from DC 12V to 65V, making it versatile for various audio applications.

Key Features:

• 20 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 65V

• 2-way frequency divider with bass and treble filtering
• Designed for speakers with 4-8 Ohm impedance
• Capable of handling power from 1000W to 1200W
• Frequency point at 2000Hz for optimal sound division

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

The TDA2030 Audio Amplifier Board Module features a TDA2030A chip, delivering 18W mono audio amplification. Key features include:

• On-board TDA2030A audio amplifier chip
• 18W mono amplifier circuit design
• Terminal blocks for speaker connection
• 10K potentiometer for volume adjustment
• Power indicator
• Standard pin header for main pins
• Operating Voltage Range: 6V to 12V
• Board Size: 32mm x 24mm

• 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

Enhance your audio projects with our Stereo Tone Board featuring a built-in echo effect. This tone board is perfect for adding depth and dimension to your sound, making it ideal for various audio applications. Experience high-quality sound and easy integration with your existing setup.

Key Features:

• Stereo tone board design
• Built-in echo effect
• Easy integration with audio systems
• High-quality sound enhancement