7Band Car Sound Equalizer with Headphone Amplifier and Aluminum Alloy Housing Enhance your incar or home audio experience with precise control and powerful amplification. Designed with quality components for clear, dynamic sound, this 7band equalizer delivers the performance and reliability you need for professionalgrade audio tuning. Key Features and Benefits: • Precision 7Band Equalization: Adjust sound frequencies at 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, and 15kHz. Each band offers a ±12dB control range, allowing you to finetune audio output to your exact preferences. • Powerful Preamplification: performance 4580 classic op amp provides 5x amplification (14dB gain) for stronger, cleaner audio signals. Input impedance: 20K ohms. Output impedance: 600 ohms. • Builtin Headphone Compatibility: Integrated NE5532based type 47 headphone driver circuit easily drives a wide range of headphones, with adjustable and low frequency response for listening. • Durable Aluminum Alloy Construction: Rigid, lightweight housing ensures longlasting use, stability, and resistance to interference. • Flexible Power Options: Operates on a DC 5V to 12V power supply, making it suitable for both car audio systems and home setups. • Dual Channel Output: Maintains stereo clarity with consistent performance across both channels. • ProfessionalGrade Components: Equalization circuit features original TL074 op amps from TI or ST for reliable, consistent sound control. Practical Applications: 1. InCar Audio Optimization: Install in vehicles to balance and enhance bass, midrange, and treble for a clear, powerful sound customized to your environment. 2. Headphone Listening: Use the builtin headphone amplifier for private listening sessions with improved clarity and adjustable tone. 3. Home Audio Systems: Integrate with amplifiers or powered speakers for fine control over your music playback in any room. This 7band sound equalizer offers precise control, robust build quality, and versatile compatibility for users who demand flexible and reliable audio performance.