Our Products         Line Array       Active Speaker Cabinet       Studio Monitor       Speaker Cabinet       EQ & Amplifier   EQ AB series AC series   Portable Speaker       Guitar/Bass Amplifier       Mixer       Popstar       VA serise       Ultra Portable Speaker     Equalizer >>> EQA             EQA-215   EQA-231   EQA-131       SPECIFICATIONS EQA EQA-215 EQA-231 EQA-131 Center Frequency 25,40,63,100,160,250, 400,630,1K,1.6K,2.5K, 4K,6.3K,10K,16K(Hz) 20,25,31.5,40,50,63, 80,100,125,160,200,250, 315,400,500,630,800,1K, 1.25K,1.6K,2K,2.5K,3.15K, 4K,5K,6.3K,8K,10K,12.5K, 16K,20K(Hz) 20,25,31.5,40,50,63, 80,100,125,160,200,250, 315,400,500,630,800,1K, 1.25K,1.6K,2K,2.5K,3.15K, 4K,5K,6.3K,8K,10K,12.5K, 16K,20K(Hz) Variable Range +/-12dB +/-6dB +/-12dB +/-6dB +/-12dB +/-6dB Total Level +/-12dB/ +/-6dB +/-12dB/ +/-6dB +/-12dB/ +/-6dB Connectors XLR balanced baianced Inputs(A,B),TRS 1/4" Balanced inputs(A,B),XLR Balanced Outputs(A,B),TRS 1/4" balanced Outputs(A,B) XLR balanced baianced. Inputs(A,B),TRS 1/4" Balanced inputs(A,B),XLR Balanced Outputs(A,B),TRS 1/4" balanced Outputs(A,B) XLR balanced baianced Inputs(A,B),TRS 1/4" Balanced inputs(A,B),XLR Balanced Outputs(A,B),TRS 1/4" balanced Outputs(A,B) FEATURES ·Dual-channel,15-band EQ,25Hz to 16KHz in 2/3 octave increments ·Equalizing range switchable between +/-12dB and +/-6 dB ·Equipped with a low-cut filter for 10Hz to 250Hz(-12dB/octave) and high-cut filter for 3KHz to 40KHz(-12dB/octave) ·Mechanical bypass switch ensures no deterioration in sound quality when bypassing EQ. ·Dual-channel,31-band EQ,20Hz to 20KHz in 1/3 octave increments ·Equalizing range switchable between +/-12dB and +/-6 dB ·Equipped with a low-cut filter for 10Hz to 250Hz(-12dB/octave) and high-cut filter for 3KHz to 40KHz(-12dB/octave) ·Mechanical bypass switch ensures no deterioration in sound quality when bypassing EQ. ·Single-channel,31-band EQ,20Hz to 20KHz in 1/3 octave increments ·Equalizing range switchable between +/-12dB and +/-6 dB ·Equipped with a low-cut filter for 10Hz to 250Hz(-12dB/octave) and high-cut filter for 3KHz to 40KHz(-12dB/octave) ·Mechanical bypass switch ensures no deterioration in sound quality when bypassing EQ.