{"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\/products\/sundown-audio-sun-hzs12d4-horizon-hzs-12-500w-rms-4-ohm-dual-voice-coil-shallow-mount-subwoofer","provider":"Elite Auto Gear","version":"1.0","type":"link"}