The B-52 SPF-18A and SPF-1818A are designed for large permanent installation venues. They combine the advantage of a long throw folded horn design with the power and reliability of B-52's digital amplification. A 24 dB / octave electronic crossover, compressor and hard limiter are built into the amplifier allowing these subwoofers to easily patch into an existing system with just pair of full-range XLR input cables! These cabinets are built using 13-ply Baltic birch, scratch-resistant paint, will withstand the abuse of the road and can be used as dance platforms!
The B-52 SPF-18A is powered by our award-winning 1200-watt digital amplifier. The 6 lbs amplifier has the ability to power a secondary passive subwoofer - the SPF-18S. The SPF-18A includes all the features needed in an active subwoofer: 24 dB / octave electronic crossover, a compressor/ limiter, subsonic filter, phase switch and both full-range and high-pass outputs.
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