The Behringer Super-X Pro CX3400 is a fully versatile crossover that's perfect for any professional live sound rig. The CX3400 is capable of either 2-way or 3-way stereo, or 4-way mono operation. Equipped with 24dB/octave Linkwitz-Riley filters, the CX3400 gives you the steep crossover bands you demand. Each output features an independent level control and phase inversion switch. For use with a subwoofer, the CX3400 also includes a low-frequency output summing option. For the flexibility you need in configuring your PA system, check out the Behringer Super-X Pro CX3400.