



Sundown Audio Horizon HZ-1500 1500 Watt RMS Monoblock Amplifier
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Subwoofer Wiring Diagram
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- RMS Power — 1,500W @ 1Ω, 800W @ 2Ω, 450W @ 4Ω
- Class — Monoblock subwoofer amplifier
- Filters — Low pass (50Hz–250Hz) and subsonic (10Hz–50Hz)
- Inputs — High-level inputs with DC Sense
- Included — Wired remote bass control
This Listing Includes: (1) Sundown Audio Horizon HZ-1500 Monoblock Amplifier
The Horizon HZ-1500 is the top mono amp in the Horizon lineup, delivering up to 1,500 watts RMS at 1 ohm, 800W at 2 ohms, and 450W at 4 ohms. It features a 4-way protection system, DC Sense, and high-level inputs for both factory and aftermarket installs. Tuning is handled by the onboard low pass filter (50Hz–250Hz), subsonic filter (10Hz–50Hz), and included wired remote bass knob. Input sensitivity is 6V max with a 95dB signal-to-noise ratio and a 140A fuse rating. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- 1,500W RMS at 1 ohm
- 4-way protection system
- DC Sense and high-level inputs
- Onboard low pass and subsonic filters
- Included wired remote bass control
Specifications
| RMS Power (1Ω) | 1500W |
| RMS Power (2Ω) | 800W |
| RMS Power (4Ω) | 450W |
| Low Pass Filter | 50Hz – 250Hz |
| Subsonic Filter | 10Hz – 50Hz |
| Input Sensitivity | 6V Max |
| Signal-to-Noise Ratio | 95dB |
| Fuse Rating | 140A |
| Dimensions | 11.25" x 4.63" x 2.2" |
| Weight | 4.23 lbs (1.92 kg) |


