Product: Behringer Super-X Pro CX2310 Professional High-Precision Stereo 2-Way/Mono 3-Way Crossover with Subwoofer Output
Brand: Behringer
Color: Slvr/Blk
Professional stereo 2-way/mono 3-way crossover featuring state-of-the-art Linkwitz-Riley filters with 24 dB/octave
Additional subwoofer output with independent Frequency control
Absolutely flat summed amplitude response, zero phase difference
Individual output Gain controls for all bands
Individual output Mute switches for easy band adjustment

Search query: pa subwoofer amp with crossover
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