Sundown Audio Horizon HZ-12 Dual 4-Ohm SubwooferThe Sundown Audio Horizon HZ-12 is engineered for enthusiasts who demand 750W RMS of clean, powerful bass. This 12-inch driver is built with high-end features and class-leading excursion to deliver controlled, deep bass that performs flawlessly in both sealed and ported enclosures. It represents the perfect blend of raw power and acoustic precision for any serious car audio system.
Massive 750W RMS Power: Driven by a robust 2.5" Voice Coil with high-temp, 4-layer copper wire for reliable, continuous power handling.

Class-Leading 14mm Xmax: Allows for massive cone movement, translating directly into louder, deeper, and more accurate low-frequency output.

Heavy-Duty Cast Aluminum Frame: Provides a rigid, non-resonant foundation for maximum cone control and stability under high power.

Optimized Cooling: Features a vented motor gap and pole piece to efficiently dissipate heat, ensuring thermal stability and preventing power compression.

Reinforced Suspension: High-roll surround and progressive spider ensure smooth, controlled excursion.

Superior Reliability: Features stitched Mini-XL tinsel leads and a bolted spider pack for enhanced long-term durability against vibration and fatigue.

High Sensitivity: Delivers efficient volume output with an 86.5 dB (1W/1M) Sensitivity rating.

Wide Voice Coil Compatibility: Uses Dual 4Ω configuration for flexible wiring options.

Flexible Enclosure Use: Recommended for 1.75 cuft net Ported enclosures (tuned to 35Hz for maximum output) or 1.0 cuft net Sealed enclosures (for tight, accurate bass).

Compact Mounting: Requires an 11.2-inch Cutout Diameter and has a manageable 6.3-inch Mounting Depth.

T/S Specs Highlight (FS/Qts): Low FS (31.696 Hz) and ideal Qts (0.516) confirm suitability for strong, deep vented enclosure performance.

Upgrade your ride with the power and precision of the Horizon HZ-12 and experience the Sundown difference in low-frequency performance.