The BBE EQA-231 is a professional dual 31-band graphic equalizer. ideal for use in live sound rigs and installed setups such as studio, stage, DJ and sound contracting. The BBE EQA-231 utilizes Constant-Q filters (constant bandwidth) this means that the bandwidth of each individual filter has a perfect balance between being narrow enough to prevent unwanted interaction between filters, yet wide enough to deliver exactly the type of correction curve for the ultimate in precision equalizing.
The BBE EQA231 makes state-of-the-art equalization technology affordable, but it much more than a high-quality, superbly engineered EQ. Also included are continuously variable high & low cut filters. The low-cut filter ranges from 10Hz to 250Hz (12dB/octave). The high-cut filter ranges from 3KHz to 40Hz (12dB/octave). A selectable control range allows musicians to switch easily between 6dB & 12dB on the graphic filters. Along w/the TRS & XLR input connectors, EQA 231 comes complete w/a Bypass switch, Signal Clip indicator, Output gain control & selectable line voltage switch between 115 & 230 VAC operations.