Active sub delivers up to 135dB of deep, rich, chest-pounding bass.

The B-52 ACT-18X Active 18" subwoofer has a digital sub amplifier powerful enough to drive an additional passive subwoofer. The speaker's built-in circuitry eliminates the need for additional components such as rackmount power amplifiers, electronic crossovers, compressor and limiters. Roadworthy black paint finish.

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B-52 ACT-18X Active 18" 1200W Subwoofer Features:

Digital amplifier with voltage tracking power supply
800 watts @ 8 Ohms
1200 watts @ 4 Ohms
Max system SPL: 135dB
Frequency Response: 30-120Hz
Rated THD: 0.03%
Built-in compressor & limiter
Built-in 24dB / octave crossover @ 120 Hz
Subsonic filter: 18 dB / Octave @ 30 Hz
Nominal loudspeaker impedance (each subwoofer): 8 Ohms
Minimum load impedance: 4 Ohms (one active and one passive subwoofer)
Maximum power requirements: @ 120 Volts AC = 12 Amps, @ 230 Volts AC = 6 Amps
XLR balanced inputs and full-range outputs
XLR balanced high pass outputs
0-180<## HC deg ##> phase switch
Speakon-style speaker output connector for connecting ACT-18(X)S (passive sub)
Amplifier thermal & short circuit protection
Signal sensing circuitry with LED indicator
Superior grade of 13-ply Baltic birch
Heavy-duty scratch resistant durable black paint finish
16-gauge perforated steel grille for maximum protection
2-3/8" diameter steel pole-mount cup
Dimensions (D" x W" x H"): 23.5 x 32.5 x 22
Weight: 115 lbs