7 Band Sound Equalizer, Input Output Volume 7 Band Car Audio Graphic Equalizer 3.5mm Input Adjustment Dual Channel Digital Equalizer Car Equalizer EQ Car Headphone Amplifier (US

Specification: Item Type: 7 Band Equalizer Product Material: Aluminum Alloy Color: Black Power Supply: DC 5‑12V Interface Specification: Approx. 5.5x2.1mm / 0.2x0.1in Equalization Circuit Control Range: ±12db Equalization Band: 60HZ, 150HZ, 400HZ, 1KHZ, 3KHZ, 6.5KHZ, 15KHZ How to Use: Take out the product and plug it into the power supply PackageList: 1 x Equalizer 1 x Adapter 1 x Sound Cable

• 3.5MM INTERFACE: 3.5mm input interface supports 4 pole plug, the output terminal connects to a headset with microphone, which can be used for normal voice calls on a cell phone, and the other terminal has a Qunlian interface for choice.
• BASIC PARAMETERS: 7 band sound equalizer preamplifier gain, 4580 classic op amp provides 5x amplification (14dB); input impedance is 20K, output impedance is 600Ω.
• CONTROL RANGE: The 7 band equalizer circuit has a control range of ±12dB. equalization bands: 60Hz, 150Hz, 400Hz, 1KHz, 3KHz, 6.5KHz, 15KHz, by TI or ST TL074.
• COMPATIBLE HEADPHONES: The ear amplifier part of the sound equalizer consists of NE5532 type 47 headphone driver circuit, easy to drive various types of headphones, adjustable high and low, with sound cable.
• ALUMINUM ALLOY MATERIAL: The 7 band car sound equalizer is made of aluminum alloy, high strength, stable performance, DC 5‑12V power supply, dual channel sound.