{"title":"Horizon HZS Series","description":null,"products":[{"product_id":"sundown-audio-sun-hzs10d4-horizon-hzs-10-500w-rms-4-ohm-dual-voice-coil-shallow-mount-subwoofer","title":"Sundown Audio SUN-HZS10D4 Horizon HZS 10″ 500W RMS 4-Ohm Dual Voice Coil Shallow Mount Subwoofer","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhen you need powerful bass performance in a space-conscious installation, the Sundown Audio Horizon HZS 10\" Subwoofer delivers strong, controlled low-frequency output without requiring excessive mounting depth. Rated at 500W RMS and 1,000W peak power, this shallow-mount subwoofer is designed to provide impactful bass in compact car audio systems. Its Dual 4-Ohm voice coil configuration provides flexible wiring options for different amplifier and system configurations.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBuilt for demanding daily applications, the HZS 10\" features a 2.5\" black aluminum voice coil former, high-roll surround, progressive spider, vented motor design, and stitched Mini-XL tinsel leads for reliable performance and durability. With 12mm of Xmax and a compact 3.9\" mounting depth, the HZS is designed for installations where space is limited while still providing the deep bass performance expected from Sundown Audio. The HZS Series is optimized for ported enclosures while also supporting sealed enclosure applications.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Output 10\" Subwoofer – Delivers 500W RMS and 1,000W peak power handling for powerful low-frequency performance\u003c\/li\u003e\n\u003cli\u003eShallow-Mount Design – 3.9\" mounting depth allows installation in space-restricted applications\u003c\/li\u003e\n\u003cli\u003eDual 4-Ohm Voice Coil – Provides flexible wiring and amplifier matching options\u003c\/li\u003e\n\u003cli\u003e2.5\" Black Aluminum Voice Coil Former – Designed for reliable power handling and thermal performance\u003c\/li\u003e\n\u003cli\u003e12mm Xmax – Allows controlled cone excursion for strong and responsive bass output\u003c\/li\u003e\n\u003cli\u003eHigh-Roll Surround – Supports smooth cone movement and long-term durability\u003c\/li\u003e\n\u003cli\u003eProgressive Spider – Provides controlled suspension and consistent performance during high excursion\u003c\/li\u003e\n\u003cli\u003eVented Motor Design – Helps improve cooling and heat dissipation during extended operation\u003c\/li\u003e\n\u003cli\u003eStitched Mini-XL Tinsel Leads – Designed for durability and reliable performance under demanding conditions\u003c\/li\u003e\n\u003cli\u003eBolt-Through Motor Assembly – Provides additional mechanical strength and structural durability\u003c\/li\u003e\n\u003cli\u003eSpace-Saving Profile – Designed for shallow enclosures, truck applications, stealth builds, and other installations with limited depth\u003c\/li\u003e\n\u003cli\u003ePorted Enclosure Optimized – Designed to provide strong output in properly designed ported enclosures\u003c\/li\u003e\n\u003cli\u003eSealed Enclosure Compatible – Can also be installed in sealed enclosure applications\u003c\/li\u003e\n\u003cli\u003eHorizon HZS Series – Engineered for powerful bass performance in compact and space-conscious installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: HZS 10\u003c\/li\u003e\n\u003cli\u003eSeries: Horizon HZS\u003c\/li\u003e\n\u003cli\u003eSubwoofer Size: 10\"\u003c\/li\u003e\n\u003cli\u003eSubwoofer Type: Shallow-Mount Subwoofer\u003c\/li\u003e\n\u003cli\u003eVoice Coil Configuration: Dual 4 Ohm\u003c\/li\u003e\n\u003cli\u003ePower Handling RMS: 500 Watts\u003c\/li\u003e\n\u003cli\u003ePower Handling Peak: 1,000 Watts\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter: 2.5\"\u003c\/li\u003e\n\u003cli\u003eVoice Coil Former: Black Aluminum\u003c\/li\u003e\n\u003cli\u003eXmax: 12 mm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 86.6 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eResonant Frequency (Fs): 44.5 Hz\u003c\/li\u003e\n\u003cli\u003eElectrical Resistance (Re): 6.85 Ohms\u003c\/li\u003e\n\u003cli\u003eQms: 3.3200\u003c\/li\u003e\n\u003cli\u003eQes: 0.5780\u003c\/li\u003e\n\u003cli\u003eQts: 0.4920\u003c\/li\u003e\n\u003cli\u003eEquivalent Volume (Vas): 19.250 L\u003c\/li\u003e\n\u003cli\u003eMoving Mass (Mms): 124.02 g\u003c\/li\u003e\n\u003cli\u003eCompliance (Cms): 0.10 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL: 20.280 T·m\u003c\/li\u003e\n\u003cli\u003eEffective Cone Area (Sd): 506.6 cm²\u003c\/li\u003e\n\u003cli\u003eDisplacement: 0.04 cu. ft.\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 3.9\"\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 10.3\"\u003c\/li\u003e\n\u003cli\u003eCutout Diameter: 9.2\"\u003c\/li\u003e\n\u003cli\u003eMotor Diameter: 6.15\"\u003c\/li\u003e\n\u003cli\u003eRecommended Sealed Enclosure: 0.5 cu. ft.\u003c\/li\u003e\n\u003cli\u003eRecommended Port Area: 15 sq. in.\u003c\/li\u003e\n\u003cli\u003e4th Order Sealed Enclosure: 0.4 cu. ft.\u003c\/li\u003e\n\u003cli\u003e4th Order Ported Enclosure: 1.2 cu. ft.\u003c\/li\u003e\n\u003cli\u003e4th Order Port Area: 24 sq. in.\u003c\/li\u003e\n\u003cli\u003e4th Order Port Length: 6\"Shallow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Sundown Audio Horizon HZS 10\" Shallow-Mount Subwoofer\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Owner's\/Installation Documentation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSKU: SUN-HZS10D4\u003cbr\u003eUPC: 810111135948\u003c\/span\u003e\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":52153061507367,"sku":"SUN-HZS10D4","price":244.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/8075\/6007\/files\/SUN-HZS10D4MAIN.png?v=1790114148"},{"product_id":"sundown-audio-sun-hzs12d4-horizon-hzs-12-500w-rms-4-ohm-dual-voice-coil-shallow-mount-subwoofer","title":"Sundown Audio SUN-HZS12D4 Horizon HZS 12″ 500W RMS 4-Ohm Dual Voice Coil Shallow Mount Subwoofer","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhen you need powerful bass performance in a space-conscious installation, the Sundown Audio Horizon HZS 12\" Subwoofer delivers strong, controlled low-frequency output without requiring excessive mounting depth. Rated at 500W RMS and 1,000W peak power, this shallow-mount subwoofer is designed to provide impactful bass performance in compact car audio systems. Its Dual 4-Ohm voice coil configuration provides flexible wiring options for different amplifier and system configurations.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBuilt for demanding daily applications, the HZS 12\" features a 2.5\" black aluminum voice coil former, high-roll surround, progressive spider, vented motor design, and stitched Mini-XL tinsel leads for reliable performance and durability. With 12mm of Xmax and a compact 4.3\" mounting depth, the HZS 12\" is designed for installations where available space is limited while still providing strong low-frequency output. Its bolt-through motor assembly adds mechanical strength, while the vented motor gap and solid pole piece help support thermal performance during extended operation.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Output 12\" Subwoofer – Delivers 500W RMS and 1,000W peak power handling for powerful low-frequency performance\u003c\/li\u003e\n\u003cli\u003eShallow-Mount Design – 4.3\" mounting depth allows installation in space-restricted applications\u003c\/li\u003e\n\u003cli\u003eDual 4-Ohm Voice Coil – Provides flexible wiring and amplifier matching options\u003c\/li\u003e\n\u003cli\u003e2.5\" Black Aluminum Voice Coil Former – Designed for reliable power handling and improved heat dissipation\u003c\/li\u003e\n\u003cli\u003e12mm Xmax – Provides controlled cone excursion for strong and responsive bass output\u003c\/li\u003e\n\u003cli\u003eHigh-Roll Surround – Supports smooth, controlled cone movement during high excursion\u003c\/li\u003e\n\u003cli\u003eProgressive Spider – Provides controlled suspension and consistent performance\u003c\/li\u003e\n\u003cli\u003eVented Motor Gap and Solid Pole Piece – Helps improve heat dissipation during extended operation\u003c\/li\u003e\n\u003cli\u003eStitched Mini-XL Tinsel Leads – Designed for long-term durability and reliable performance\u003c\/li\u003e\n\u003cli\u003eBolt-Through Motor Assembly – Adds mechanical strength and structural durability\u003c\/li\u003e\n\u003cli\u003eSpace-Saving Profile – Designed for shallow enclosures, truck applications, stealth builds, and other space-limited installations\u003c\/li\u003e\n\u003cli\u003ePorted Enclosure Optimized – Designed for efficient output in properly designed ported applications\u003c\/li\u003e\n\u003cli\u003eSealed Enclosure Compatible – Supports sealed enclosure installations when space or system requirements call for it\u003c\/li\u003e\n\u003cli\u003eHorizon HZS Series – Engineered for powerful bass performance while maintaining a compact installation profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: HZS 12\u003c\/li\u003e\n\u003cli\u003eSeries: Horizon HZS\u003c\/li\u003e\n\u003cli\u003eSubwoofer Size: 12\"\u003c\/li\u003e\n\u003cli\u003eSubwoofer Type: Shallow-Mount Subwoofer\u003c\/li\u003e\n\u003cli\u003eVoice Coil Configuration: Dual 4 Ohm\u003c\/li\u003e\n\u003cli\u003ePower Handling RMS: 500 Watts\u003c\/li\u003e\n\u003cli\u003ePower Handling Peak: 1,000 Watts\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter: 2.5\"\u003c\/li\u003e\n\u003cli\u003eVoice Coil Former: Black Aluminum\u003c\/li\u003e\n\u003cli\u003eXmax: 12 mm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 87.4 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eResonant Frequency (Fs): 32.8 Hz\u003c\/li\u003e\n\u003cli\u003eElectrical Resistance (Re): 6.85 Ohms\u003c\/li\u003e\n\u003cli\u003eQms: 3.2400\u003c\/li\u003e\n\u003cli\u003eQes: 0.5640\u003c\/li\u003e\n\u003cli\u003eQts: 0.4800\u003c\/li\u003e\n\u003cli\u003eEquivalent Volume (Vas): 56.700 L\u003c\/li\u003e\n\u003cli\u003eMoving Mass (Mms): 182.05 g\u003c\/li\u003e\n\u003cli\u003eCompliance (Cms): 0.13 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL: 21.340 T·m\u003c\/li\u003e\n\u003cli\u003eEffective Cone Area (Sd): 735.5 cm²\u003c\/li\u003e\n\u003cli\u003eDisplacement: 0.05 cu. ft.\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 4.3\"\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 12.5\"\u003c\/li\u003e\n\u003cli\u003eCutout Diameter: 11.2\"\u003c\/li\u003e\n\u003cli\u003eMotor Diameter: 6.15\"\u003c\/li\u003e\n\u003cli\u003eRecommended Sealed Enclosure: 1.0 cu. ft.\u003c\/li\u003e\n\u003cli\u003eRecommended Port Area: 26 sq. in.\u003c\/li\u003e\n\u003cli\u003e4th Order Sealed Enclosure: 0.75 cu. ft.\u003c\/li\u003e\n\u003cli\u003e4th Order Ported Enclosure: 2.25 cu. ft.\u003c\/li\u003e\n\u003cli\u003e4th Order Port Area: 15 sq. in.\u003c\/li\u003e\n\u003cli\u003e4th Order Port Length: 6\"\u003c\/li\u003e\n\u003cli\u003eSpeaker Quantity: 1 Subwoofer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Sundown Audio Horizon HZS 12\" Shallow-Mount Subwoofer\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Owner's\/Installation Documentation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSKU: SUN-HZS12D4\u003cbr\u003eUPC: 810111135962\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":52153121407271,"sku":"SUN-HZS12D4","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/8075\/6007\/files\/SUN-HZS12D4IMG03.png?v=1790118014"}],"url":"https:\/\/eliteautogear.com\/collections\/horizon-hzs-series.oembed","provider":"Elite Auto Gear","version":"1.0","type":"link"}