Product Description: 7 Band Sound Equalizer with RCA Output & 3.5mm Interface for Cars - Dual Channel Digital Equalizer, 100-240V EU Plug Enhance your in-car audio experience with our state-of-the-art 7 Band Sound Equalizer. Designed for audiophiles and casual listeners alike, this digital equalizer offers precise sound control and superior audio quality. Discover the features that make this equalizer an essential addition to your car audio system: Control Range: Experience unparalleled sound customization with a 7 band equalizer control range of ±12dB. The equalization bands include 60Hz, 150Hz, 400Hz, 1KHz, 3KHz, 6.5KHz, and 15KHz, utilizing high-quality TI or ST TL074 components for precise audio adjustments. Basic Parameters: Our digital equalizer features a preamplifier gain with a 4580 classic operational amplifier, providing five times the amplification at 14dB. With an input impedance of 20K and an output impedance of 600Ω, this equalizer ensures optimal sound performance and clarity. Compatibility: The dual channel digital equalizer includes an ear amplifier section composed of an NE5532 type 47 headphone driver circuit. This design easily drives a variety of headphones, offering adjustable high and low frequencies to suit your listening preferences. 3.5mm Interface: Equipped with a 3.5mm input interface that supports a 4-pole plug, this car digital equalizer allows for seamless connection to headsets with microphones. It supports normal voice calls on cell phones, and features an additional group connection port for expanded connectivity options. Aluminum Alloy Material: Crafted from premium aluminum alloy, this graphic car sound equalizer boasts high strength and corrosion resistance, ensuring stable performance. It operates on a DC5V‑12V power supply, delivering robust dual channel sound for an immersive audio experience. Upgrade your car's audio system with our 7 Band Sound Equalizer, designed to provide exceptional sound quality and customization. Whether you're a music enthusiast or simply enjoy clear, balanced audio, this equalizer is the perfect solution for enhancing your in-car listening experience. Enjoy the freedom to tailor your sound to perfection with this high-performance audio accessory.