The Punch P1000X1bd mono amplifier pumps out 1,000 Watts into a 1-Ohm load. The Class-BD technology produces bass more efficiently over traditional amps, and its frequency response is optimized for subwoofers. 
With its super efficient Class-BD circuit topology, the P1000X1bd assures maximum BOOM for your buck! Due to its dedicated low frequency response, this amplifier is optimized for mid-bass speakers or subwoofers only. No need to worry because its 1-ohm capability will drive a pair of 4-ohm DVC subwoofers or quad-configuration of 2-ohm DVC subwoofers with ease.
Features
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High level input capable with Auto Turn-On circuit
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Features C.L.E.A.N. Set-up
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Optional remote Punch Level Control (PLC2) ready (w/ input clip indicator)
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12dB/octave Butterworth crossover
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RCA pass-thru outputs
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On-board Punch EQ with +18dB boost @ 45Hz.
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Muted turn on
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Stealth top mounted control panel
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Cast aluminum heatsink
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Short circuit protection
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Over current protection
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Infrasonic filter
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1 Year Standard Warranty