Car Digital Equalizer 7 Band Car Audio Equalizer with Treble and Bass Control Dual Channel Aluminum Alloy US Plug

7Band Digital Car Equalizer with Headphone Preamp and US Plug Key benefits Precise tonal control: +/ 12 dB adjustment on seven frequency bands lets you shape bass, midrange, and treble to match your speakers or headphones. Cleaner signal path and gain: 7band digital equalizer preamp with a 4580class operational amplifier stage provides amplification and stable performance for improved audio clarity. Headphonefriendly output: Builtin NE5532type headphone driver circuit supports a variety of headphone impedances and allows independent and low adjustment. Durable, compact design: Aluminum alloy housing offers strength and corrosion resistance for incar use. Powered from DC 5V to 12V with a US plug configuration for easy installation. Main features 7band equalizer control range: +/ 12 dB on the following bands: 60 Hz, 150 Hz, 400 Hz, 1 kHz, 3 kHz, 6.5 kHz, 15 kHz. Equalizer electronics: TL074type op amp architecture for the EQ stage. Preamp and amplifier: 7band digital equalizer preamp gain with a 4580class operational amplifier stage providing up to 14 dB of gain and approximately 5x amplification. Impedance: 20 kOhm input impedance and 600 Ohm output impedance. Headphone amplifier: Dualchannel NE5532type headphone driver circuit for reliable headphone driving and adjustable highs and lows. Connections: 3.5 mm input compatible with 4pole plugs; output supports headsets with microphones and normal voice calls on mobile phones. Includes an additional group connection port for shared or multidevice setups. Power and channels: DC 5V to 12V power supply, dualchannel stereo output. Construction: aluminum alloy enclosure for stable performance in vehicle environments. Size / plug: US plug configuration. Typical applications Incar audio tone tuning: Install between your source and amplifier or head unit to correct tonal imbalances, reduce boominess, or enhance clarity on the road. Headset and phone use: Connect a headset with microphone to the output to listen and make normal voice calls while benefiting from equalization and headphone amplification. Small multiuser setups: Use the group connection port to share audio or connect multiple devices for simple group listening or demonstrations. Specifications Equalizer bands: 60 Hz, 150 Hz, 400 Hz, 1 kHz, 3 kHz, 6.5 kHz, 15 kHz Control range: +/ 12 dB per band Input impedance: 20 kOhm Output impedance: 600 Ohm Headphone driver: NE5532type dual channel EQ op amp type: TL074type Preamp amp stage: 4580class operational amplifier, up to 14 dB gain Power supply: DC 5V to 12V Interface: 3.5 mm input compatible with 4pole plug Housing: Aluminum alloy Plug: US plug What is in the box 1 x equalizer unit 1 x cable 1 x adapter How to use Unpack the unit, connect the power (DC 5V to 12V) and audio source to the 3.5 mm input, connect output to your headset or amplifier, then adjust the sevenband controls to achieve the desired sound. Compatibility notes Works with devices that provide or accept 3.5 mm 4pole connections for audio and headset functions. Designed for incar use and portable audio setups that accept DC 5V to 12V power.