Upgrade your car's audio system with the TDA7850 4-Channel 12V MOSFET Car Audio Amplifier Board. This amplifier board delivers a powerful 4 x 50W output, ensuring superior sound quality for your in-car entertainment. Powered by the reliable TDA7850 chip, it operates on a DC12V--16V supply and features 10000uf big electrolytic capacitors for enhanced performance.

• Chip: TDA7850
• Power Supply: DC12V--16V / AC9V--12V
• Max Output Power: 4 x 50W
• Power Current: 3A Min.
• Dimensions: 120 x 65 x 38.2mm

• Compact Design: Small, efficient, and easy to integrate into various audio systems.
• Low Power Consumption: Operates on a 3.4V to 5V DC power supply, making it ideal for portable applications.
• High Output Power: Provides 3.0W per channel for clear, quality audio output.
• Class D Amplification: Class D technology ensures efficient power usage and reduced heat generation.

Enhance your audio projects with the TDA7266 Dual-Channel Power Amplifier Audio Module. This module features the TDA7266 audio power amplifier chip, providing 7W + 7W output for 4-8 ohm, 5-15W speakers. The main pin has LED chips for convenient external device control, and the module includes onboard terminals with a 5.08mm distance between 2P terminals for easy connection. The onboard dial potentiometer allows for volume adjustment, and the module supports DC power input with a working voltage range of 3V to 18V.

• Dual-channel 7W + 7W output
• Supports 4-8 ohm, 5-15W speakers
• Onboard TDA7266 audio power amplifier chip
• LED chips for external device control
• 5.08mm distance between 2P terminals
• Onboard dial potentiometer for volume adjustment
• Supports DC power input (3V to 18V)
• Compact size: 45 x 33mm

• 2x5W output power for high-quality audio
• Built-in Bluetooth 4.2 for wireless audio streaming
• Supports multiple audio file types (WAV/WMA/FLAC/APE/MP3)
• Compact design with easy integration into projects

• Digital Bluetooth Power Amplifier Board
• Supply Voltage: DC 12V ~ 24V
• Number of Channels: Two-channel stereo
• Output Power: 100W per channel (200W total output)

• Bluetooth 5.0 support for wireless audio streaming
• High power output of 50W + 50W for superior sound quality
• Supports TF card for direct playback of audio files
• Compact and efficient design with a size of 96 x 86 x 20mm

Explore our Mono Amplifier Board featuring 8 high-quality transistors. This amplifier board utilizes two 5200 and two 1943 transistors (not included), delivering reliable performance. It operates on a supply voltage ranging from DC 12V to 35V, suitable for various audio applications.

Key Features:

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

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

• Powerful 4x50W Output: Delivers 4 channels of 50W output power, providing high-quality sound.
• Noise Reduction with BA3121: Includes the BA3121 noise reduction chip for a cleaner audio experience.
• Wide Compatibility: 4-8 ohm speaker compatibility for flexible speaker selection.
• Compact Design: Measures 65 x 52 x 30mm, making it easy to fit into various audio setups.

• 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

• High Output Power: Provides up to 30W per channel at 24V with an 8Ω load.
• Adjustable Volume Potentiometer: Allows for easy volume control and customization.
• Class D Amplification: Uses PWM modulation for efficient power use.
• Dual Channel Stereo: Supports two channels for a rich stereo sound experience.

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

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

• High output power: 75W*2 for the left and right channels, plus 150W for the subwoofer
• HiFi quality sound with less than 1% Total Harmonic Distortion (THD+N)
• Signal-to-Noise Ratio (SNR) greater than 100dB for superior audio clarity
• Bluetooth 4.0 support for wireless audio streaming

Introducing our Mono Amplifier Board featuring 12 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring robust performance. It operates on a supply voltage ranging from DC 12V to 45V, making it versatile for various audio applications.

Key Features:

• 12 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 45V

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