The Behringer Super-X Pro CX3400 V2 is a professional stereo 2-way/3-way and mono 4-way crossover designed for precise speaker management. Featuring Linkwitz-Riley filters with 24 dB/octave roll-off, built-in limiters, adjustable time delay, and CD horn equalization, it ensures optimal sound clarity and phase alignment. With individual gain, mute, and phase-reverse controls, plus a mono "Low Sum" subwoofer output, the CX3400 V2 delivers versatility for live and studio applications. Its rugged 1U rackmount design, gold-plated XLR I/O, and shielded toroidal transformer provide reliability and low-noise operation.