







Sundown Audio Horizon HZ-100.4 4-Channel Amplifier 100W RMS
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Subwoofer Wiring Diagram
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- RMS Power — 100W x4 @ 4Ω / 170W x4 @ 2Ω
- Class — 4-channel full-range amplifier
- Crossovers — Adjustable HPF and LPF (27Hz–250Hz) on all four channels
- Inputs — High-level inputs with DC Sense for factory integration
- Protection — Sundown 4-way protection
This Listing Includes: (1) Sundown Audio Horizon HZ-100.4 4-Channel Amplifier
The Horizon HZ-100.4 delivers 100 watts RMS per channel at 4 ohms, or 170W x4 at 2 ohms, for powering component speakers, pro audio drivers, or full-range coaxials. Fully adjustable HPF and LPF crossovers (27Hz–250Hz) let you run active or passive setups, bridge channels, or mix configurations. High-level inputs, DC Sense, and 4-way protection make it at home in factory integration and custom builds alike. Input sensitivity is up to 6V with a 95dB signal-to-noise ratio and a 60A fuse rating. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- 100W x4 @ 4Ω, 170W x4 @ 2Ω
- Adjustable high-pass and low-pass filters on all channels
- Bridgeable for active or passive setups
- High-level inputs and DC Sense turn-on
- Sundown 4-way protection circuit
Specifications
| RMS Power (4Ω) | 100W x4 |
| RMS Power (2Ω) | 170W x4 |
| High Pass Filter (CH1-4) | 27Hz – 250Hz |
| Low Pass Filter (CH1-4) | 27Hz – 250Hz |
| Input Sensitivity | Up to 6V |
| Signal-to-Noise Ratio | 95dB |
| Fuse Rating | 60A |
| Dimensions | 8.63" x 4.63" x 2.2" |
| Weight | 2.93 lbs (1.33 kg) |


