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

• 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

Boost your audio projects with the TPA3116D2 50W+50W Bluetooth 4.0 Amplifier Board. Key features include:

• Chip: TPA3116D2
• Bluetooth transmission distance: up to 20m
• Voltage: DC 12-24V
• Power: 50W + 50W
• Storage mode: TF card, U disk
• Size: 73 x 68 x 16mm
• Efficiency: over 90%
• Weight: 42g

Perfect for enhancing audio quality with wireless convenience and powerful sound.

Introducing our Mono Amplifier Board featuring 12 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring robust performance. It operates on a supply voltage ranging from DC 12V to 45V, making it versatile for various audio applications.

Key Features:

• 12 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 45V

• 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

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

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

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

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)

• 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

• High-power output: Delivers 420W per channel
• Original TDA8954TH chip ensures efficient Class D amplification
• Wide input voltage range: Supports AC12V-28V (recommended dual 24V transformer)
• Low distortion and high fidelity audio output

The Mono Amplifier Board features 24 transistors, utilizing two 5200 and two 1943 (not included), delivering powerful and reliable amplification. Compatible with a DC supply voltage range from 12V to 65V.

The Digital Amplifier Board OEP30W Mono features a Class D PWM modulation design, providing high-quality audio amplification in a compact size. Key features include:

• Model: OEP30W amplifier module
• Working style: Class D (PWM modulation)
• Chip election: OEP30Wx2
• Channel number: Single channel
• Power supply range: DC: 7.5V-24V
• Amplifier gain: 36dB (adjustable to 26dB)
• Input impedance: 1KΩ
• Output impedance: 8-3.2Ω
• Output power: Up to 30W THD+N=10%
• Signal to noise ratio: ≥102dB
• Harmonic distortion: <0.1%
• Frequency range: 20Hz-20kHz

Enhance your subwoofer's performance with the Low Pass Filter Board Active for Subwoofer Bass NE5532. This filter board, model GV-SUB01, operates with an AC double power supply ranging from 9V to 15V, and features a blue LED indicator. Its frequency tuning range of 22Hz to 210Hz ensures excellent bass performance without vocals.

• Model: GV-SUB01
• Power Supply: AC double 9V - 15V
• Blue LED Indicator Light
• Frequency Tuning Range: 22Hz - 210Hz (No vocals)

Package Includes: 1 x Low Pass Filter Board Active For Subwoofer Bass NE5532

• Digital Bluetooth Power Amplifier Board
• Supply Voltage: DC 12V ~ 24V
• Number of Channels: Two-channel stereo
• Output Power: 100W per channel (200W total output)

• 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)