Horizon Subwoofers

HZ Series Key Features: RMS Power: 8" – 500W RMS / 2" Voice Coil Voice Coil Options: Dual 4Ω - High temp 4-layer copper voice coil wire XMAX: Class-leading 14mm Xmax Frame: Heavy-duty cast aluminum basket Cooling: Vented motor gap and pole piece for optimized heat dissipation Durability: Stitched Mini-XL tinsel leads and bolted spider pack Suspension: High-roll surround with progressive spider for smooth, controlled excursion Recommended Enclosure: Ported for maximum efficiency and output

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HZ Series Key Features: RMS Power: 12" – 750W RMS / 2.5" Voice Coil Voice Coil Options: Dual 4Ω - High temp 4-layer copper voice coil wire XMAX: Class-leading 14mm Xmax Frame: Heavy-duty cast aluminum basket Cooling: Vented motor gap and pole piece for optimized heat dissipation Durability: Stitched Mini-XL tinsel leads and bolted spider pack Suspension: High-roll surround with progressive spider for smooth, controlled excursion Recommended Enclosure: Ported for maximum efficiency and output

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HZ Series Key Features: RMS Power: 10" – 750W RMS / 2.5" Voice Coil Voice Coil Options: Dual 4Ω - High temp 4-layer copper voice coil wire XMAX: Class-leading 14mm Xmax Frame: Heavy-duty cast aluminum basket Cooling: Vented motor gap and pole piece for optimized heat dissipation Durability: Stitched Mini-XL tinsel leads and bolted spider pack Suspension: High-roll surround with progressive spider for smooth, controlled excursion Recommended Enclosure: Ported for maximum efficiency and output

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Sundown Audio HZS Series SubwoofersPurpose-Built for Tight Installs. Powered by Real Performance. The Sundown Audio HZS Series was engineered from the ground up to bring powerful, clean bass to space-limited installations—without sacrificing output, reliability, or thermal performance. Whether you’re working with a slim enclosure behind a truck seat, under a rear deck, or in a stealth build, the HZS delivers the kind of low-end impact you expect from Sundown. Available in 10" and 12" sizes, the HZS is a shallow-mount subwoofer rated for 600 watts RMS and designed to thrive in ported enclosures, though sealed options are also supported. Each model features a 2.5" black aluminum voice coil, a high-roll surround, a progressive spider, and a vented motor design that keeps things cool when the music gets loud. Built for daily abuse and engineered for clean excursion, the HZS combines strength, efficiency, and low-profile fitment into one aggressive package. It’s the ideal solution when you want true bass performance without giving up precious install depth. Key Features: RMS Power: 600W Voice Coil: 2.5" black aluminum former - Dual 4Ω Cooling: Vented motor gap and solid pole piece Suspension: High-roll surround and progressive spider Lead Wires: Stitched mini-XL tinsel leads for long-term durability Motor Assembly: Bolt-through design for mechanical strength Mounting Depth: Compact profile for shallow, space-restricted enclosures Best Use: Ported enclosures for optimal output; sealed compatible

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Sundown Audio HZS Series SubwoofersPurpose-Built for Tight Installs. Powered by Real Performance. The Sundown Audio HZS Series was engineered from the ground up to bring powerful, clean bass to space-limited installations—without sacrificing output, reliability, or thermal performance. Whether you’re working with a slim enclosure behind a truck seat, under a rear deck, or in a stealth build, the HZS delivers the kind of low-end impact you expect from Sundown. Available in 10" and 12" sizes, the HZS is a shallow-mount subwoofer rated for 600 watts RMS and designed to thrive in ported enclosures, though sealed options are also supported. Each model features a 2.5" black aluminum voice coil, a high-roll surround, a progressive spider, and a vented motor design that keeps things cool when the music gets loud. Built for daily abuse and engineered for clean excursion, the HZS combines strength, efficiency, and low-profile fitment into one aggressive package. It’s the ideal solution when you want true bass performance without giving up precious install depth. Key Features: RMS Power: 600W Voice Coil: 2.5" black aluminum former - Dual 4Ω Cooling: Vented motor gap and solid pole piece Suspension: High-roll surround and progressive spider Lead Wires: Stitched mini-XL tinsel leads for long-term durability Motor Assembly: Bolt-through design for mechanical strength Mounting Depth: Compact profile for shallow, space-restricted enclosures Best Use: Ported enclosures for optimal output; sealed compatible

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