3 Bands Car Equalizer, Stereo Preamp Eq Equalizer, with Left and Right Channel Balance Adjustment, Volume Control, Sound Channel Equalizer, for Home/Car, Speakers, Amplifier

3-BAND EQ: Easily achieve equalization with left and right channel balance adjustment, volume control, and 3-band EQ. Customizable volume levels are available for all music genres. ISOLATED BOOST POWER SUPPLY: The equalizer features a built-in isolated boost power supply, ensuring signal purity and dynamic range. It's suitable for onboard use and eliminates common ground interference. ALUMINUM ALLOY: This 3-band EQ is constructed of rust-resistant, sturdy, compact, and durable aluminum alloy, offering high strength and stable performance. SIGNAL PROCESSING: The signal processing circuitry utilizes an operational amplifier to boost the volume from your turntable to speaker or stereo line level, delivering enhanced volume and high-quality sound, while maintaining high-quality HIFI performance and low noise. VERSATILE: The input is suitable for electronic devices, turntables, guitars, and more, while the output is suitable for speakers, headphones, AV receivers, and more.