JL Audio 010-03170-00 Class D 1200 watts RMS 4-ohms HD Car Monoblock Amplifier

JL Audio HD1200/1 Class D 1200 watts RMS 4-ohms HD Car Monoblock Amplifier

The JL Audio HD1200/1 HD Car Monoblock Amplifier delivers powerful and flexible performance with selectable 12- or 24-dB/octave filter slopes for precise sound control. It features removable power and speaker connectors for easy installation, selectable input voltage to match low or high signal sources, and built-in infrasonic filtering with a polarity switch for optimized bass response. With dual mounting options and a space-saving stacking design, this amplifier is ideal for clean, efficient, and customizable car audio setups.

Product Highlights:

• Condition: New
• Monoblock amplifier with 1,200W RMS x 1 power output (1.5–4 ohms)
• Stable operation on 11–14.5 VDC vehicle systems
• Selectable 12 dB or 24 dB/octave crossover filter slope
• Removable power and speaker connectors for easy installation
• Selectable input voltage: Low (200 mV–2V RMS) or High (800 mV–8V RMS)
• Built-in infrasonic filter (30 Hz, defeatable) and polarity switch
• Two mounting options with space-saving stacking design
• High signal clarity with 111 dB S/N ratio at rated power
• Strong control with high damping factor (>500 @ 4Ω)
• Ultra-low distortion: THD+N < 0.03% @ 4Ω
• Wide frequency response: 6 Hz – 8 kHz
• Heavy-duty protection with 100A fuse rating
• Requires 4 AWG power/ground wiring
• Supports optional remote level control (HD-RLC)
• Buffered pass-through preamp output for system expansion
• HD1200/1 / 010-03170-00