750W x 1 @ 3Ω

HD-Series Monoblock Class-D Wide-Range Amplifier, 750-Watts x 1ch @ 1.5-4-Ohms This ultra-compact monoblock amplifier employs JL's Single-Cycle Control switching design and R.I.P.S. technology to deliver 750W of clean power into any impedance between 1.5 and 4Ω, giving you the highest degree of flexibility in designing your subwoofer system. Tight power supply regulation keeps distortion down and maximizes your bass quality. From a pure sound quality perspective, JL invites you to compare the real-world, in-car performance of this amplifier to any other amplifier on the market, of any type, at any price. While targeted primarily to subwoofer applications, the HD750/1 is a wide-range amplifier and can also be used to drive high-performance mid-range speaker systems. This amplifier features a brushed aluminum finish with black powder-coated cast alloy heat sinks and bottom panel. A black powder-coated, gasketed cover is also provided to protect the controls. General Specifications Frequency Response 6 Hz - 8 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >110 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W (Main Channels) >88 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >500 / 50 Hz Damping Factor @ 2 Ω >250 / 50 Hz THD+N @ Rated Power (Main Channels) <0.03% @ 4 Ω Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High) Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 60 A (AFS, AGU or MaxiFuse™) @ 4 Ω 750 W RMS x 1 @ 3 Ω 750 W RMS x 1 @ 2 Ω 750 W RMS x 1 @ 1.5 Ω 750 W RMS x  JL Audio HD750/1 Brochure

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MHD-Series Monoblock Class-D Marine Grade Amplifier, 750-Watts @ 1.5-4-Ohms This ultra-compact monoblock amplifier employs JL's Single-Cycle Control switching design and R.I.P.S. technology to deliver 750W of clean power into any impedance between 1.5 and 4Ω, giving you the highest degree of flexibility in designing your subwoofer system. Tight power supply regulation keeps distortion ultra-low and maximizes your bass performance. While targeted primarily to subwoofer applications, the MHD750/1 is a full-range amplifier and can also be used to drive high-performance mid and high frequency speaker systems. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment. Specifications @ 4 Ω 750 W RMS x 1 @ 3 Ω 750 W RMS x 1 @ 2 Ω 750 W RMS x 1 @ 1.5 Ω 750 W RMS x 1 Frequency Response 6 Hz - 8 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >110 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W (Main Channels) >88 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >500 / 50 Hz Damping Factor @ 2 Ω >250 / 50 Hz THD+N @ Rated Power (Main Channels) <0.03% @ 4 Ω Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High) Min.Copper Power / Ground Wire Gauge 4 AWG wire Fuse Rating 60 A (AFS, AGU or MaxiFuse™) Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12/24 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometer Yes Filter Defeat Function Yes Infrasonic Filter 30 Hz, defeatable Bass Boost EQ (0 to +12 dB @ 45 Hz) No Output Polarity Switch Yes Remote Subwoofer Level Control Optional (HD-RLC) Pass-Through Preamp Output Buffered JL Audio MHD750/1 Manual

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