Check the listing for details. EMB EB631EQS Professional Sound System 31 Bands Graphic Equalizer with EQ Bypass. Condition: New. Listed at 149.99 USD. What We Sell:Brand New EMB EB631EQs Professional Sound System 31 Bands Graphic Equalizer with EQ Bypass Second Generation RS or differential balanced XLR inputs and outputs. Choice of stereo and the sum of left and right channels while the synthesis of ultra-low sound range are 2-channel selector switch. 2-channels have 40 Hz high pass filtet all the outcut with phase reverse switch. All the band on the average output can be independently adjusted dB/ Linkwitz-Riley filters. Stereo/ mono status indication LED lights, indicating that choice of unit work pattern. This graphic equalizer can be simple, with boosts or cuts to certain frequencies, or more elaborate incorporating data from the acoustics of the room to create a multi-step EQ curve that helps make a room sound more accurate. The model with 31-band graphic equalizer is packed with the professional features you need. An FBQ Feedback Detection system quickly locates problem frequencies. A switching power supply yields noise-free audio, superior transient response, and efficient power consumption. Its dual amps exhibit low noise and excellent sound quality. The LED meter is extremely precise, and its input gain controls make setting levels a piece of cake. Its 31-band graphic equalizer is a great value for your studio or live sound rig. Product Features:TRS or XLR balanced inputs and outputs differential Choice of stereo or the sum of the synthesis of left and right channel subwooferX10 range are two-channel selector switch Two channels have 40Hz high pass filter (low cut)All outputs with phase reverse switch The output of all bands can be independently adjusted average24dB/Unkwitz-Riley filters (the professional standard) - Stereo Mono status indication LEO lights, indicating that the mode selection unit Technical Details: Model: EB631EQType: Professional Sound SystemConnectivity: Male XLR and Female XLRInput Impedance: Balanced 40k OhmsInput Type: Electronically Balanced, RF FilteredMax Input Level: >+21 DBu Balanced or UnbalancedInput CMRR: >40 dB, Typcially >55 dB at 1kHzOutput Impedance: Balanced 100 OhmsMax Output Level: >21dBu Balanced/Unbalanced Bandwidth: 20Hz- 20k HzSignal to Noise: 90 dBTHD: