Horizon HZ-1500W RMS Monoblock Amplifier - 1 Ohm Stable Class D Subwoofer Amp, Compact Design, High-Level Input, Subsonic Filter & Bass Knob for Car Audio Systems

Sundown Audio Horizon HZ-1500 MonoblockDesigned for bigger builds and subwoofers that demand more, the Sundown Audio Horizon HZ-1500 Monoblock Amplifier delivers up to 1,500 watts RMS at 1 ohm with low distortion and high efficiency. It’s the top dog of the Horizon Series mono lineup—made to push larger woofers or multiple drivers with clean, relentless power that stays cool and sounds tight. It's built the Sundown way: to deliver clean power, take abuse, and perform.Core Power and Performance SpecsThe HZ-1500 provides serious authority in a compact Class D platform:RMS Power Output @ 14.4V:1500W @ 1 Ohm800W @ 2 Ohm450W @ 4 OhmDimensions: Manageable size at 11.25" x 4.63" x 2.2".Signal-to-Noise Ratio (SNR): Excellent 95dB rating for clean audio output.Tuning and Installation VersatilityAchieve simple yet precise control over your low end in any setup:Factory Integration: Features High-Level Input and DC Sense turn-on, giving you full flexibility for installs in both factory and aftermarket environments.Low Pass Filter (LPF): Variable 50Hz – 250Hz for blending your subwoofer perfectly.Subsonic Filter: Variable 10Hz – 50Hz to protect your woofers from damaging frequencies.Control Included: The wired remote bass knob provides simple, real-time control from the driver's seat.Built for DurabilityFor builders who want one amp that hits hard, runs cool, and doesn’t fail, the HZ-1500 is the clear choice. Its robust 4-way protection system monitors heat, voltage, shorts, and DC offset, while the high 140A Fuse Rating ensures stable performance. This amplifier is built to push your system harder without stress.

• Compact Powerhouse for Clean Bass: The HZ-1500 delivers 1500W 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.