





Sundown Audio Horizon HZ-600 600 Watt RMS Monoblock Amplifier
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Subwoofer Wiring Diagram
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- RMS Power — 600W @ 1Ω, 450W @ 2Ω, 250W @ 4Ω
- Class — Class D monoblock amplifier
- Filters — 12dB/oct low pass (50Hz–250Hz) and subsonic (10Hz–50Hz)
- Inputs — High-level input capability with DC Sense turn-on
- Included — Wired remote bass knob
This Listing Includes: (1) Sundown Audio Horizon HZ-600 Monoblock Amplifier
The Horizon HZ-600 is a compact Class D monoblock that pushes up to 600 watts RMS at 1 ohm, 450W at 2 ohms, and 250W at 4 ohms. It features high-level input capability and DC Sense turn-on for factory or aftermarket installs where space is tight. A 12dB/octave low pass filter (50Hz–250Hz) and subsonic filter (10Hz–50Hz) give precise frequency control, while the 4-way protection circuit guards against voltage issues, shorts, thermal overload, and DC offset. It operates from 10.5V to 16.5V with a 60A fuse rating and includes a wired remote bass knob. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- 600W RMS at 1 ohm in a compact chassis
- 12dB/octave low pass and subsonic filters
- High-level input capability and DC Sense turn-on
- 4-way protection circuit
- Included wired remote bass knob
Specifications
| RMS Power (1Ω) | 600W |
| RMS Power (2Ω) | 450W |
| RMS Power (4Ω) | 250W |
| Low Pass Filter | 50Hz – 250Hz (12dB/Oct) |
| Subsonic Filter | 10Hz – 50Hz (12dB/Oct) |
| Input Sensitivity | Up to 6V |
| Signal-to-Noise Ratio | 95dB |
| Operating Voltage | 10.5V – 16.5V |
| Fuse Rating | 60A |
| Dimensions | 9" x 4.63" x 2.2" |
| Weight | 2.78 lbs (1.26 kg) |


