7-band sound equalizer RCA output input 12dB high and low bass adjustment dual-channel digital equalizer

1??Control Range: 7 band equalization circuit control range ± 12dB. equalization band: 60HZ.150HZ.400HZ.1KHZ.3KHZ.6.5KHZ.15KHZ. by TI or ST original TL074 composition. 2??Basic Parameters: 7 band sound equalizer preamplification gain. 4580 classic op amp provides 5 times amplification (14dB); input impedance 20K. output impedance 600 ohms. 3??Compatible with Headphones: sound equalizer ear amplifier part of the NE5532 composed of type 47 headphone driver circuit. easy to drive all types of headphones. adjustable high and low. 4??3.5mm Interface: 3.5mm input interface supports 4 pole plug. the output connects to the headset with a microphone. which can be used on cell phones for normal voice calls. and another terminal with a group lotus interface is available. 5??Aluminum Alloy: The 7 band car sound equalizer is made of aluminum alloy. high strength. corrosion resistance. stable performance. DC5V?12V power supply. dual channel sound.Item Type: 7 Band Sound Equalizer Material: Aluminum Alloy Power Supply: DC5V-12V Interface Specification: 5.5×2.1 Input Impedance: 20K Output Impedance: 600 Ohms Equalization Circuit Control Range: ±12dB Equalization Frequency Band: 60HZ.150HZ.400HZ.1KHZ.3KHZ.6.5KHZ.15KHZ