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

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.

• Dual 15W output for superior audio performance
• Bluetooth 4.2 for seamless wireless audio streaming
• Works with 12V-24V input voltage for versatile power options
• Compact design for easy integration into various audio projects

• High-fidelity (Hi-Fi) sound output
• Dual-channel stereo for balanced audio performance
• 50W x 2 output power with adjustable voltage and resistance
• Compact and lightweight (only 62g) design

• 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

• Wireless Bluetooth audio receiver module
• High-quality lossless audio decoding
• Supports internal playback (M38)
• Compact and lightweight design

• High Power Output: Delivers up to 60W peak power for crisp and clear audio
• Compact Design: 13 x 10 x 4 cm size makes it perfect for DIY audio projects
• Versatile Application: Suitable for car audio systems, home audio setups, and custom sound projects

• 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

• Bluetooth Connectivity: Bluetooth 4.1 support with a password protection (default: 1688) to prevent unauthorized connections
• Compact Size: Small form factor (3.3x3.5x1.1 cm) for easy embedding in modified products
• Stereo Output: Two-channel stereo output for compatibility with most power amplifiers, home audio systems, and car audio
• Power Supply Options: MICRO USB port or 2.54mil pin for flexible power supply choices

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

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

The Stereo NE5532 Tone Control HiFi Pre-Amplifier Board enhances your audio setup with precise tone control for treble, tenor, bass, and total volume. Key features include:

• Power supply: AC double 12-15V
• Power consumption: 5W
• Size: 100*60mm
• Mounting hole distance: K=M3 J=53*93
• Front chip: NE5532
• Input interface: Standard lotus socket
• Output interface: 2.54-3P
• Dual channel
• 4-way adjustment: treble, tenor, bass, total volume

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

• Schmitt trigger-limiter enabled power circuit for improved performance
• Hex-mode connection, stereo bridgeable for versatile configurations
• Higher efficiency with new RF MOSFET technology
• Continuously variable active crossovers for fine-tuned sound control