Item Type: 7 Band Sound Equalizer <br>Material: Aluminum Alloy <br>Power Supply: DC5V-12V <br>Interface Specification: 5.5x2.1 <br>Equalization Circuit Control Range: ±12db <br>Equalization Frequency Band: 60HZ,150HZ,400HZ,1KHZ,3KHZ,6.5KHZ,15KHZ1、Control Range: 7 band sound equalizer control range of ±12dB. Equalization bands are 60Hz, 150Hz, 400Hz, 1KHz, 3KHz, 6.5KHz, 15KHz, composed of TI or ST TL074. <br>2、Basic Parameters: 7 band digital equalizer preamplifier gain, 4580 classic operational amplifier provides 5 times the amplification 14dB; input impedance of 20K, output impedance of 600Ω. <br>3、Compatible: Dual channel digital equalizer ear amplifier part is composed of NE5532 type 47 headphone driver circuit, easy to drive a variety of types of headphones, adjustable high and low. <br>4、3.5mm Interface: Car digital equalizer is 3.5mm input interface supports 4 pole plug, the output is connected to a headset with microphone, which can be used for normal voice calls on cell phones, and the other terminal has a group connection port available. <br>5、Aluminum Alloy Material: Graphic car sound equalizer is made of premium aluminum alloy, high strength, corrosion resistance, stable performance, DC5V?12V power supply, dual channel sound.<p>1 x Equalizer</p><p>1 x Power Supply Line</p><p>1 x Adapter</p>