MHD600/4 Marine Amplifier
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Available in stock
Technical specifications
Technical specifications
| Amp Class | Class D |
| Speaker Channels | 4 |
| Audio Output Power Rms | 150 |
| Total power output (W) | 600 |
| Input voltage range | 10-16 V |
| Weight | 3.79 kg |
| Amp Bridgeable | Oui |
| Subwoofer Output | Yes, via bridged channels or pre-amplified outputs |
| Audio Output Power Rms Bridged | 300 (2 channels) |
| Source type | Marine amplifier |
| Color | Gray |
| Cooling method | Passive (heat sink) |
| Electrical System Grounding | Negative ground |
| Installation Clearance Above | 2.5 |
| Installation Environment Conditions | Dry, well-ventilated, sheltered from the elements |
| Mounting Orientation Restriction | Do not mount upside down |
| Mounting type | Area |
| Operating voltage | 12 |
| Product range | MHD |
| IP rating | Not waterproof |
| Wired input | RCA (Audio/Video) |
Detailed description
Detailed description
The JL Audio MHD600/4 marine amplifier is a 4-channel full-range audio solution designed for marine environments. It features the patented Single Cycle Control™ Class D technology, which ensures precise amplification by comparing the audio signal to the actual PWM waveform and making corrections more than 400,000 times per second. This approach controls distortion and maintains sound quality.
Power management and audio performance
With an RMS power output of 150 watts x 4 channels at 1.5-4 ohms in stereo, or 300 watts x 2 channels at 3-8 ohms in bridged mode, the MHD600/4 delivers a total power of 600 watts. It operates on 12V DC electrical systems (11-14.5 volts). The R.I.P.S. (Regulated, Intelligent Power Supply) power supply ensures constant output power and low distortion across varying load impedances (1.5Ω to 4Ω) and fluctuating input voltages. Its frequency response ranges from 6 Hz to 30 kHz (+0, -1 dB), with a signal-to-noise ratio exceeding 110 dB.
Robust design and system integration
The marine-grade design of the JL Audio MHD600/4 includes white and gray powder-coated finishes, a sealed control cover, and stainless-steel hardware, exceeding salt-fog and UV exposure standards. The RealSink™ thermal management system with Rollback Protection uses a vertical cast-alloy heat sink that requires no fans, allowing stacking without compromising cooling. The differential balanced inputs minimize noise and reject interference. Variable high-pass and low-pass filters (50-500 Hz) with selectable slopes (12 or 24 dB/octave) provide configuration flexibility. The MHD600/4 also features RCA preamp outputs for audio system expansion and removable power and speaker connectors to simplify installation.
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