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

• 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.

The TDA7492P 2x50W Bluetooth V4.0 Audio Receiver Power Amplifier Board is designed to deliver high-quality audio with ease. It supports a power supply of 8-24V DC and can drive impedance of 4, 6, 8, or 16 ohms, with 8 ohms being optimal. Featuring Bluetooth version 4.0, this amplifier ensures seamless wireless connectivity. It has audio output terminals and an additional Pre-5532 output foot for enhanced performance. The board measures approximately 8.2 x 5cm, making it compact and easy to integrate into your projects.

Key Features:

• Power Supply: 2.1 interface 8-24V DC
• Output Impedance: 4, 6, 8, 16 ohms (8 ohms optimal)
• Bluetooth Version: 4.0
• Audio Output: Terminals
• Output Power: Add Pre-5532 Output Foot
• Size: Approximately 8.2 x 5cm

• 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.

• 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

Discover the power of our Toshiba 2SC5200 2SA1943 High Power Amplifier Board 500W+500W, designed to deliver exceptional audio performance. This amplifier board features the latest model 2SC5200/2SA1943 Toshiba high-power tubes, ensuring stability and a high signal-to-noise ratio.

• Rated Power: 200W +200W (4 ~ 8 ohms)
• Peak Power: 500W+500W
• Input Voltage: 28-32V AC input
• Dimensions: 300 ×145 × 38mm (LxWxH) with solder pin
• Includes rectifier and filter circuit with 4pcs 35V/2700UF filter capacitor and high-speed rectifier bridge silicon 10A
• Full-featured protection circuit (including speaker protection)

• Operates with AC 12-15V voltage (requires a separate power supply)
• Equipped with UPC1237 integrated circuit for reliable speaker protection
• Includes delay-on functionality to protect speakers from DC signals
• Heat sink on the relay power supply IC for efficient heat dissipation

• 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

• 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

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

• 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

• 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

• Differential input voltage of ±40mV (Full-scale differential input)
• High data accuracy with a 24-bit A/D converter chip
• 80 Hz refresh frequency for quick data updates
• Low operating current (<10 mA)

• 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.

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