• Absolute supplement suitable for applications in stadium and in hall.
• Perfect circuit design for room equalizing and feedback display.
• Selective ±6dB or ±12dB for boost or decay.
• Additional HPF to restrain low frequency noise, for example, feet kicking sound, air-conditioning sound, etc.
• Constant Q value.
• Built-in integrated power supply, 115V or 230V power supply optional.
•  High accurate potentiometer controlling.
• Lower noise and better sound.

• Frequency response: 20Hz-20KHz ±1.0dB
• THD%: <0.05%(20Hz-20KHz +3dB)
• Frequency response: 20Hz-20KHz 0.5dB@0dB
• THD total harmonic distortion: <0.1% 20Hz-20KHz @0dB
• Input impedance active balance: 20K ohms
• Output impedance active balance: 100 ohms
• Maximum input level: 160B
• Maximum output level: 15dB
• Variable zone: 6dB/-12dB
• Equalizer control: 31band(1/3 octave)
• Central frequency: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1K, 125K, 6K, 2K, 2.5K, 3.15K, 4K, 5K, 6.3K, 8K, 10K, 12.5K, 16K, 20KHz
• S/N ratio: >90dB
• Input plus adjustment: OdB
• Peak sensitivity: Lit earlier 3 dB than clip point
• Feedback threshold LED: >-22d8
• High pass filter: 40Hz 12dB/octave
• Power supply: 115V/50-60Hz 230V/50-60Hz
• Power consumption: 15W
• Dimensions (WxDxH)mm Interior/Exterior: 482x225x132/(512x280x160)
• N.W/G.W: 5.3kg/6.5kg

Biema FEQ3102II
2x31 Band Stereo Graphic Equalizer