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

The Frequency Divider 3 Way Crossover Audio HiFi Filters is designed for DIY home theater systems, offering high power and low power consumption. Key features include:

• Max Power: 600W
• Impedance: 4~8Ω
• Intersect Frequency: 45Hz/28kHz
• Mounting Hole Center Distance: 230mm*148mm
• Size: Approx. 250x164x30 mm (9.84x6.45x1.18 inch)
• Material: Alloy

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

The TDA2030 Audio Amplifier Board Module features a TDA2030A chip, delivering 18W mono audio amplification. Key features include:

• On-board TDA2030A audio amplifier chip
• 18W mono amplifier circuit design
• Terminal blocks for speaker connection
• 10K potentiometer for volume adjustment
• Power indicator
• Standard pin header for main pins
• Operating Voltage Range: 6V to 12V
• Board Size: 32mm x 24mm

• 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.

• Uses TPA3116D2 chip for efficient amplification
• Supports DC12-26V supply voltage
• Output power up to 120W*2
• High signal-to-noise ratio of 100dB

• 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

• High Power Output: Delivers 400W+400W stereo output or 800W mono output
• Stable Voltage: Supports dual AC24-36V power input
• Premium Components: Built with Toshiba high-performance chips for clear and powerful sound

• 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

Presenting our Mono Amplifier Board featuring 16 transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), delivering powerful performance. It operates on a supply voltage ranging from DC 12V to 35V, making it ideal for various audio setups.

Key Features:

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

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

Enhance your audio projects with the TDA8954TH 420W Mono Channel Digital Amplifier Board HW-717. This high-power amplifier is designed for optimal performance in mono channel applications, delivering clear and powerful sound.

Key Features:

• High power output: 420W
• Kernel chip: TDA8954TH
• Input voltage: recommended double 24V (range double 12-28V)
• Output impedance: 4-8Ω
• Compact size: 80mm x 75mm x 33mm
• Mono channel design

• High Output Power: 15W x 2 output for clear and powerful audio.
• Wide Voltage Range: Operates within a DC 8-18V input voltage range.
• Low Static Current: 8mA static state for energy-efficient operation.
• High Efficiency: ≥90% efficiency for better performance.

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

• 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

• 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