Horizon HZ-600W RMS Monoblock Amplifier - 1 Ohm Stable Class D Subwoofer Amp, Compact Design, High-Level Input, Subsonic Filter & Bass Knob for Car Audio Systems

Compact Powerhouse for Clean Bass: The HZ-600 delivers 600W RMS at 1 Ohm in a small (9" x 4.63") Class D design. Provides clean, controlled output ideal for daily use or adding a powerful sub channel without taking up excessive space. A true performer.
Seamless Factory System Integration: Features high-level input and DC Sense turn-on for effortless integration with factory head units. Simplifies installation by eliminating the need for a separate remote wire, ensuring a clean and reliable system upgrade.
Precision Crossover & Filtering: Achieve perfect sound with a variable LPF (50Hz–250Hz) and a Subsonic Filter (10Hz–50Hz). These 12dB/Oct controls allow you to fine-tune frequency delivery for tight, clean, and controlled bass performance.
Advanced 4-Way Protection & Safety: Protected by a robust 4-way circuit against short circuits, thermal overload, voltage issues, and DC offset. Ensures stable operation across a wide 10.5V – 16.5V range and guarantees the longevity of your audio system.
Wired Remote Bass Control Included: Gain instant, convenient control over your subwoofer levels with the included wired remote bass knob. Allows for easy, real-time adjustments from the driver's seat to match your music or mood on the fly.

Sundown Audio Horizon HZ-600 MonoblockThe Sundown Audio Horizon HZ-600 Monoblock Amplifier is the ultimate solution for adding reliable, clean bass power in a tight package. Designed for efficiency and durability, this Class D amplifier pushes up to 600 watts RMS at 1 ohm, giving you clean, controlled output ideal for budget builds, daily setups, or adding a dedicated sub channel to any system. It’s a true performer that provides more power than its small size suggests.Core Performance and DesignThe HZ-600 is built with Sundown's trusted engineering, ensuring serious performance with no wasted power.RMS Power Output @ 14.4V:600W @ 1 Ohm450W @ 2 Ohm250W @ 4 OhmDimensions: Extremely compact at only 9" x 4.63" x 2.2"—it fits just about anywhere space is limited.Operating Voltage: Stable operation across 10.5V to 16.5V.Tuning and Integration ControlThe HZ-600 features high-level input capability and advanced filtering for precision control:Seamless Factory Integration: Features High-Level Input and DC Sense turn-on, making it perfect for connecting to factory head units without a dedicated remote wire.Low Pass Filter (LPF): Variable from 50Hz – 250Hz (12dB/Oct) for clean integration with main speakers.Subsonic Filter: Variable from 10Hz – 50Hz (12dB/Oct) to block harmful, inaudible ultra-low frequencies.Wired Remote Bass Knob: Allows for easy bass level adjustments directly from the driver’s seat.Safety and ReliabilityThe amplifier’s long life is secured by a comprehensive 4-way protection circuit that keeps your system safe from:Voltage Issues (High/Low)Short CircuitsThermal OverloadDC OffsetWith a high 95dB Signal-to-Noise Ratio and robust 60A fuse rating, the HZ-600 ensures pure bass that is clean, simple, and reliable for years of enjoyment.