DC5-12V 7 Band Sound Equalizer High Medium Bass Adjustment Digital Equalizer Audio Adjustable Preamplifier for Earbuds

DC5-12V 7 Band Sound Equalizer High Medium Bass Adjustment Digital Equalizer Audio Adjustable Preamplifier for Earbuds Description

Control Range: The 7-band equalizer adjustment range is 12db, composed of TI or ST TL074 circuit, 60HZ, 150HZ, 400HZ, 1KHZ, 3KHZ, 6.5KHZ, 15KHZ seven frequency bands, the knob is in the middle as the origin, counterclockwise for attenuation, clockwise for boost.
Basic Parameters: 7 band sound equalizer preamplification gain, 4580 classic op amp provides 5 times amplification (14dB); input impedance 20K, output impedance 600 ohms.
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.
3.5mm Interface: 3.5mm input interface supports 4 pole plug, the output connects to the headset with a microphone, which can be used cell phones for normal voice calls, and another terminal with a group lotus interface is available.
Regarding the frequency description, 60HZ is heavy bass, 150HZ is bass, 400HZ is mid-bass, 1KHZ is mid-range, 3KHZ is mid-treble, 6.5KHZ is treble, 15KHZ is super treble, adjust according to personal listening preferences.

Power supply: DC5V-12V, interface specification is 5.5x2.1, 5V power supply has a static current of about 390ma, 12V power supply has a static current of about 140ma, and power consumption is about 1.8w.
Item Type: 7 Band Sound Equalizer
Power Supply: DC5V-12V
Interface Specification: 5.5x2.1
Input Impedance: 20K
Output Impedance: 600 Ohms
Equalization Circuit Control Range: 12dB
Equalization Frequency Band: 60HZ,150HZ,400HZ,1KHZ,3KHZ,6.5KHZ,15KHZ
Colour:Black
Material:Metal

Package Contents:
1 x 7 Band Sound Equalizer
1 x USB Cable