Product Description

MHD750/1 Features:
• JL Audio MHD Series Monoblock Class D Marine Amplifier
• *RMS Power Rating (11V-14.5V):
  • 4 ohms: 750 watts x 1 chan.
  • 3 ohms: 750 watts x 1 chan.
  • 2 ohms: 750 watts x 1 chan.
  • 1.5 ohms: 750 watts x 1 chan.
• Class D, switching type with patented Single-Cycle Control technology
• Pulse width modulation-regulated switching power supply
• LED power (green), protect (red) and low impedance (amber) indicators
• Removable Power/Ground and Speaker connectors
• Brushed aluminum finish chassis
• Compact, stackable chassis design
• Black powder-coated, gasketed cover
• RealSink: Vertical, cast alloy fins effectively dissipate heat
• Advanced Thermal Rollback protection system
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle Control - high-fidelity, full-range class D
  • Compares the real PWM waveform and then corrects it in each and every cycle (over 400,000 times per second)
  • 80% efficiency at 1/2 rated power for the whole amplifier, including its power supply
  • 60% less current draw than a typical Class A/B car amplifier of equal power
  • Less generated heat, smaller chassis than a similarly powerful Class A/B design.
• Noise-killing, highly flexible differential-balanced inputs
• 1 Pair of Buffered preamp RCA outputs for daisy chaining the audio signal
• Speaker level inputs via RCA (JL Audio XD-CLRAIC2-SW required and sold separately
• Remote bass level input (JL Audio HD-RLC required and sold separately)
• Optional stacking equipment for HD amplifiers: JL Audio HD Stack Kit
• Selectable input voltage/sensitivity:
  • Low level: 200mV - 2V
  • High level: 800mV - 8V
• Selectable output polarity, "Phase": 0/180°
• Selectable State-variable slope: 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley
• Selectable infrasonic filter, "Subsonic": Defeatable or 30 Hz
• Selectable filter modes: Low-Pass or High-Pass, Defeatable
• Cutoff Freq. Range: Continuously variable: 50 - 500 Hz
• Total Harmonic Distortion: <0.03% @ 4Ω (Average at 1kHz)
• Signal to Noise Ration:
  • Referred to Rated Power: 111 dBA
  • Referred to 1 Watt: 82.2 dBA
• Frequency response: 6 - 8,000 Hz (+0, -1 dB)
• Damping Factor: >500 @ 4Ω/50 Hz, >250 @ 2Ω/50 Hz
• Recommended fuse rating: 60A x 1 (inline, not included)
• Dimensions: 10.74"L x 7.85"W x 1.93"H
• SKU # 98225
• 1-Year Warranty