Sundown Audio Horizon HZ-80.4 4-Channel Amplifier 80W RMS
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
Subwoofer Wiring Diagram
Select your configuration to view possible wiring combinations.
Loading wiring diagrams…
Diagrams are on our wiring diagram page.
%20on%20all%20four%20channels%0A%0AInputs%20%E2%80%94%20High-level%20input%20capability%20for%20fac...
){kind=link}
- RMS Power — 80W x4 @ 4Ω / 130W x4 @ 2Ω
- Class — 4-channel full-range amplifier
- Crossovers — Adjustable HPF and LPF (27Hz–250Hz) on all four channels
- Inputs — High-level input capability for factory integration
- Protection — Bridgeable with full-range passthrough option
This Listing Includes: (1) Sundown Audio Horizon HZ-80.4 4-Channel Amplifier
The Horizon HZ-80.4 adds clean, controlled power across your mids and highs with 80 watts RMS x4 at 4 ohms, or 130W x4 at 2 ohms. Its compact chassis fits nearly anywhere, and it includes adjustable high and low pass filters (27Hz–250Hz) on all four channels, a full-range passthrough option, and high-level input capability for factory integration. Run it passive or active, or bridge it for bigger loads. Input sensitivity is up to 6V with a 95dB signal-to-noise ratio and a 50A fuse rating. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- 80W x4 @ 4Ω, 130W x4 @ 2Ω
- Adjustable high and low pass filters on all four channels
- Full-range passthrough option
- High-level input capability
- Bridgeable for larger loads
Specifications
| RMS Power (4Ω) | 80W x4 |
| RMS Power (2Ω) | 130W 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 | 50A |
| Dimensions | 7.4" x 4.63" x 2.2" |
| Weight | 2.54 lbs (1.15 kg) |
