TWO-CHANNEL DIGITAL EQUALIZER EQ RCA 7-BAND 1. Control range: 7-band adjustment range of the compensating circuit ± 12dB, compensating band: 60 HZ, 150 HZ, 400 HZ, 1 KHZ, 3 KHZ, 6.5 KHZ, 15 KHZ, by the original composition TL074 TI or ST. 2. Basic parameters: amplification of 7-band sound equalizer preamplifier, classic operational amplifier 4580 provides 5x amplification (14dB); 20K input impedance, output impedance 600 ohms. 3. Headphone compatible: earbud amplifier with sound equalizer, NE5532 part consisting of type 47 headphone driver circuit, easy to drive all types of headphones, adjustable high and low. 4. 5. Aluminum Alloy: The car's 7-band sound equalizer is made of aluminum alloy, high strength, corrosion resistance, stable performance, DC5V-12V power supply, two-channel sound. Specification: Item Type: 7-Band Sound Equalizer Material: Aluminum Alloy Power Supply: DC5V-12V Interface specification: 5,5x2,1 Input Impedance: 20 K Output Impedance: 600 ohms Expansion circuit adjustment range: ±12dB Alignment frequency band: 60 HZ, 150 HZ, 400 HZ, 1 KHZ, 3 KHZ, 6.5 KHZ, 15 KHZ List of packages: 1 x 7-band sound equalizer 1 x power cable Remove the product and use it