• Bluetooth Version: 4.2 for stable and high-quality audio transmission.
• Lossless Audio Decoder: Ensures high-fidelity MP3 audio playback.
• Compact Design: Small and lightweight, ideal for DIY audio projects.
• Long Transmission Range: Up to 20 meters in open spaces or low interference environments.

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

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

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

• Bluetooth 4.0 for wireless audio streaming
• 2.1 channels for high-quality audio output
• Aux in/Line in auto detection for seamless connectivity
• Over/under voltage, over current, and over temperature protection for safe operation

• 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.

• 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 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

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.

Discover our Mono Amplifier Board featuring 6 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring reliable performance. It operates on a supply voltage ranging from DC 12V to 24V, making it suitable for various audio applications.

Key Features:

• 6 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 24V

• 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

The PT2313 Digital Tone Board Pre-Amplifier features the latest PT2313 chip and MCU design for superior audio performance. Ideal for enthusiasts and professionals. Key features include:

• Power supply: DC 9V-24V single power supply
• 3 audio input groups, 2 audio output groups
• Full remote control
• LCD display

• 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

• Digital audio amplifier with TPA3116D2 chip for high-quality sound.
• Mono channel output suitable for single speaker setups.
• Wide input voltage range from DC 12V to 26V.
• High output power of up to 100W, delivering clear, powerful audio.

• Bluetooth 4.0 + EDR with a range of up to 10 meters
• Rated power output of 50W × 2 for high-quality audio performance
• Multiple input interfaces: Bluetooth, USB sound card, and AUX
• Voice prompts in English (female voice)

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