7Band Car Sound Equalizer – Performance Audio Control Key Features: Precise Audio Adjustment: Equipped with a 7band sound equalizer for finetuning across frequencies 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, and 15kHz. Each band offers a ±12dB control range, enabling accurate of sound output. Powerful Amplification: Built with a 4580 operational amplifier delivering 5× gain (14dB) for enhanced signal strength and improved sound clarity. Optimized Impedance: Input impedance of 20K and output impedance of 600 ohms ensures compatibility with a wide range of audio systems while maintaining signal integrity. Durable Construction: Manufactured from strength aluminum alloy for durability, stable performance, and reliable longterm use. Flexible Power Supply: Operates with DC power between 5V to 12V, making it suitable for various installation setups. DualChannel Output: Supports stereo audio for balanced, quality sound reproduction. Headphone Compatibility: Integrated NE5532based Type 47 headphone driver circuit designed to easily drive all types of headphones, with adjustable and low settings for listening. Components: Equalizer circuits built with original TL074 chips from TI or ST for consistent and accurate audio performance. Use Scenarios: 1. Enhance InCar Audio: Ideal for upgrading factory car audio systems by adding precise frequency control and stronger amplification, delivering cleaner highs, deeper lows, and balanced mids. 2. Improve Home or Office Audio Setups: Connect to desktop amplifiers or standalone audio systems for refined sound shaping when playing music or watching movies. 3. Professional Audio Applications: Suitable for DJs, audio engineers, or event setups requiring reliable frequency tuning and headphone monitoring. Specifications: Equalization Bands: 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, 15kHz Control Range: ±12dB per band Gain: 14dB with 4580 op amp Input Impedance: 20K ohms Output Impedance: 600 ohms Power Supply: DC 5V–12V Audio Channels: Dual stereo Material: Aluminum alloy enclosure Headphone Driver: NE5532based Type 47 circuit with adjustable tone settings This 7band sound equalizer empowers you to achieve professionallevel audio control in any setup while providing the durability, precision, and compatibility essential for lasting performance.