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

• 2-channel (2.0) audio output
• DC 2.5V to 5.5V power supply range
• High-quality aluminum material construction
• Compact and mini design for DIY projects

Introducing our Mono Amplifier Board featuring 20 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring powerful and reliable performance. It operates on a supply voltage ranging from DC 12V to 65V, making it versatile for various audio applications.

Key Features:

• 20 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 65V

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-power Class D digital amplifier with dual-channel output.
• Requires an 8-ohm speaker, delivering 100W+100W output at 34V DC.
• Operating voltage of 15 - 34V DC (Recommended voltage: 24V).
• Efficiency of 90% for better performance and less power consumption.

Enhance your audio experience with the SANWU® YDA138 Bluetooth Digital Audio Amplifier Board. This Class D stereo amplifier offers high-quality sound and efficient performance, making it perfect for various audio applications.

• Amplifier Chip: YDA138
• Operating Voltage: 8.5~14VDC (polarity protection included)
• Recommended Power Supply: 12V DC, 2A current
• Output Power: 2x10W (8 ohms), 15W+15W (4 ohms)
• Output Impedance: 4~10 Ohm
• Model: SW-HF187
• Size: 38x60mm

Enhance your audio projects with the PAM8610 Audio Stereo Amplifier. This high-efficiency D Class amplifier operates within a voltage range of DC 7.5V to 15V, delivering 10W+10W output power at 8Ω. Perfect for audio enthusiasts and DIY projects, it ensures excellent sound quality across a wide frequency response range.

• Work: D Class
• Quiescent current: 20mA
• Operating voltage: DC 7.5V - 15V
• Rated output power: 10W + 10W (8Ω)
• Frequency response: 20Hz to 50KHz
• Recommended supply voltage: 12V, the center PIN of 12VDC is "+"

Package Includes: 1 x Audio Stereo Amplifier Board

• 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

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

• 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.

• 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

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

• 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

The TPA3116D2 60W x 2 + 100W XH-M560 Digital Amplifier Board with Bluetooth 2.1 is a powerful and versatile amplifier designed for high-quality audio applications. With multiple input options and a robust build, this amplifier is perfect for enhancing your audio experience.

• Power: DC12-24V
• Output: 2.1 channel, 60W + 60W, Bass 100W
• Crystal shell design
• Supports Bluetooth, audio line input, U disk, and TF card player
• Input voltage: DC12-24V (Recommended 24V)
• Input current: more than 5A
• Input impedance: more than 1K ohm
• Input signal: 1.8V
• Magnification: 45 times
• Class D operation
• Size: 200 x 100 x 42mm
• Weight: 300g

Package Includes: 1x TPA3116D2 60W x 2 + 100W XH-M560 Digital Amplifier Board with Bluetooth 2.1

Enhance your audio projects with the TDA7266 Dual-Channel Power Amplifier Audio Module. This module features the TDA7266 audio power amplifier chip, providing 7W + 7W output for 4-8 ohm, 5-15W speakers. The main pin has LED chips for convenient external device control, and the module includes onboard terminals with a 5.08mm distance between 2P terminals for easy connection. The onboard dial potentiometer allows for volume adjustment, and the module supports DC power input with a working voltage range of 3V to 18V.

• Dual-channel 7W + 7W output
• Supports 4-8 ohm, 5-15W speakers
• Onboard TDA7266 audio power amplifier chip
• LED chips for external device control
• 5.08mm distance between 2P terminals
• Onboard dial potentiometer for volume adjustment
• Supports DC power input (3V to 18V)
• Compact size: 45 x 33mm

• 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.