This is a used BEHRINGER SUPER-X PRO CX2310. As shown in the photos, the main unit is in very clean condition with no noticeable scratches or stains. The following operations have been confirmed and the unit is fully functional: ・Power ON and operation confirmed. ・Stereo 2-channel and subwoofer audio input/output confirmed. ・Switching operations confirmed. ・Sound quality changes with knob operation, and no scratchy noise confirmed. ・LEDs light up in each MODE state confirmed. (Reference) Professional audio equipment with a high-precision stereo 2-way/mono 3-way crossover and subwoofer output. - Model Name: SUPER-X PRO - Brand: behringer - Output Model: CX2310 - Function: High-precision stereo 2-way/mono 3-way crossover - Connection Terminals: Subwoofer output ＜Product Contents＞ ・BEHRINGER SUPER-X PRO CX2310 main unit ・1 power cable