• 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

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

• 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

• 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

• High-Power Output: Delivers up to 50W per channel (stereo) and 100W for subwoofer, providing a robust sound experience.
• Bluetooth 5.0: Latest Bluetooth version for a stable, high-quality audio connection.
• Dual Input Options: Supports Bluetooth and AUX input, giving you flexible connection options.
• TPA3116D2 Chip: High-performance power amplifier chip for clear, distortion-free audio.
• Wide Compatibility: Works with 4-8Ω speakers, making it versatile for various audio setups.

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

The Mono Amplifier Board features 4 transistors, utilizing two 5200 and two 1943 (not included), providing a powerful and reliable amplification solution. Compatible with DC supply voltage from 12V to 35V.

Enhance your audio projects with the Microphone Amplifier Board XH-M273 PT2399 NE5532. Key features include:

• Product Name: Karaoke Reverb Board
• Product Model: XR-M273
• Input Voltage: DC12-24V
• Reverberation Chip: PT23999
• Microphone Input: 2
• Knob Spacing: 24MM
• Microphone Spacing: 17.6MM
• Output Channel: 2 channels
• Frequency Response Range: 25HZ-17KHZ
• Compact Size: 117 x 53MM
• Weight: 75 grams

Perfect for karaoke systems and audio enhancement projects, providing clear and powerful sound quality.

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

• 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

• Supports 2.1 channel output (60W + 60W + 100W)
• Bass enhancement up to 100W
• Bluetooth 2.1 support for wireless audio streaming
• Audio line input, U disk, and TF card player compatibility

The TDA7293 100W Digital Audio Amplifier is a high-power, single-channel amplifier designed to deliver exceptional sound quality. Ideal for home audio systems and DIY audio projects, this amplifier provides reliable performance and robust output power.

Key Features:

• Chip: TDA7293
• Power Supply: AC 12V-32V
• Channel Type: Single Channel
• Output Power: 100W
• Load Type: 4-8 Ohm Speaker
• Input Impedance: 100K Ohm
• Frequency Range: 20Hz-20KHz
• Size: 60mm x 45mm x 35mm

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%

• 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

Enhance your audio experience with our Stereo Tone Board. This high-quality tone board operates on a 12V DC input, delivering exceptional sound performance for various audio applications. Perfect for both personal and professional use.

Key Features:

• Stereo tone board design
• High-quality sound performance
• 12V DC input voltage
• Ideal for personal and professional use