JL Audio 010-03318-00 Class D 600W RMS 4-ohms 4-Channel Full-range Car Amplifier

JL Audio HD600/4 Class D 600 watts RMS 4-ohms 4-Channel Full-range Car Amplifier

The JL Audio HD600/4 Full-Range Car Amplifier delivers powerful, clean sound with advanced tuning flexibility for premium in-car audio systems. It features selectable 12- or 24-dB/octave filter slopes, removable power and speaker connectors for easy installation, and adjustable input voltage compatibility with both factory and aftermarket head units. With 2- or 4-channel input modes, selectable preamp output options, and dual mounting choices plus a space-saving stacking design, this amplifier offers versatile performance in a compact, installer-friendly form.

Product Highlights:

• Condition: New
• 4-channel amplifier with 150 W RMS × 4 (1.5–4 Ω) / 300 W RMS × 2 bridged (3–8 Ω)
• Selectable 12 dB or 24 dB/octave crossover filter slope
• Removable power and speaker connectors for easy installation
• Selectable input voltage: Low (200 mV–2 V RMS) or High (800 mV–8 V RMS)
• 2- or 4-channel input mode with switch-selectable preamp output
• Two mounting options with space-saving stacking design
• High signal clarity with 110 dB S/N ratio at rated power
• Strong control with high damping factor (300 @ 4Ω, 150 @ 2Ω)
• Ultra-low distortion: THD+N <0.03% @ 4Ω
• Wide frequency response: 6 Hz – 30 kHz
• Heavy-duty protection with 50 A fuse rating
• Requires 4 AWG power/ground wiring
• Supports optional remote level control (HD-RLC)
• Buffered pass-through preamp output (Front only or Front + Rear summed)
• HD600/4 / 010-03318-00