{"product_id":"sundown-audio-horizon-hz-8-8-subwoofer-dual-4-ohm-500w-rms-14mm-xmax-cast-aluminum-basket","title":"Sundown Audio Horizon HZ-8 8\" Subwoofer – Dual 4 Ohm, 500W RMS, 14mm Xmax, Cast Aluminum Basket","description":"\u003ch1\u003e\u003cspan\u003eSundown Audio Horizon HZ-8 8-Inch Subwoofer – 500W RMS Dual 4 Ohm High-Performance Car Audio Bass Speaker\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cimg src=\"https:\/\/images.openai.com\/static-rsc-4\/o8Vi_XQ48u0C6uSFXoTx9Df0TcFGrO78qibX09C1Y9jquPb7QNJDnb5ehzTK9wuUkfPMp8euvW2Cb8K0rGyiqJ_djlY4ID1xs0VNsM2pLoRkqJ9emN8xrtY2PxD97HKDzMGD2mY5JmeG_VksiM9QsehGctJoAXgFSPaFfRvegdf1O_5B_kiSnxBjG7d3xXGV?purpose=fullsize\" alt='Horizon HZ 8\" Subwoofer – Sundown Audio'\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSmall Subwoofer. Serious Bass. Built for Performance.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eExperience powerful bass in a compact package with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSundown Audio Horizon HZ-8 8-Inch Subwoofer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, available at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEast Car Audio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Sundown Audio Horizon HZ-8 is designed for car audio enthusiasts who want deep, powerful bass without needing a large 12-inch or 15-inch subwoofer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing a heavy-duty cast aluminum basket, high-temperature copper voice coil, advanced motor cooling, and 14mm of linear excursion, the HZ-8 delivers impressive low-frequency performance in a compact 8-inch design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're building a custom truck subwoofer enclosure, upgrading your factory stereo, or installing a powerful aftermarket sound system, the Horizon HZ-8 provides the strength, durability, and bass performance Sundown Audio is known for.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLooking for the best place to buy the Sundown Audio Horizon HZ-8? Shop East Car Audio for Sundown Audio subwoofers, custom truck boxes, amplifiers, and car audio accessories.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features and Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Powerful 8-Inch Subwoofer Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Horizon HZ-8 combines a compact 8-inch diameter with a heavy-duty motor and suspension system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts smaller size makes it an excellent choice for vehicles where installation space is limited, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord F-150 and Super Duty trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDodge Ram pickups\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eToyota Tacoma and Tundra\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSUVs and crossovers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSedans and hatchbacks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eVehicle-specific enclosures and sufficient mounting clearance are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. High-Performance Dual 4-Ohm Voice Coils\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe HZ-8 features dual 4-ohm voice coils for flexible amplifier wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA single subwoofer can be wired to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with the coils connected in parallel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e8 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with the coils connected in series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis flexibility makes the HZ-8 suitable for a variety of aftermarket monoblock amplifiers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify the amplifier's minimum supported impedance before wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. High-Temperature 2-Inch Copper Voice Coil\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe HZ-8 uses a 2-inch, four-layer, high-temperature copper voice coil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe voice coil is engineered to handle demanding bass reproduction while working with the motor's cooling system to manage heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis construction supports reliable performance when the subwoofer is installed and powered correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. 14mm Xmax for Powerful Cone Movement\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Sundown Audio Horizon HZ-8 features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e14mm of rated Xmax\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eXmax describes the subwoofer's linear excursion capability, which is an important factor in low-frequency performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe HZ-8's high-roll surround and progressive suspension help the cone move smoothly and remain controlled during demanding bass passages.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5. Heavy-Duty Cast Aluminum Basket\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUnlike many basic stamped-steel subwoofer frames, the Horizon HZ-8 features a rigid cast aluminum basket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefits include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStrong structural support\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStable motor and suspension alignment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDurable construction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReduced unwanted frame flex\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProfessional high-performance appearance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e6. Advanced Motor Cooling\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSundown Audio equips the HZ-8 with a vented motor gap and pole piece to support heat dissipation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEfficient cooling is important during extended listening sessions, particularly when playing bass-heavy music at elevated volume levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e7. High-Roll Surround and Progressive Spider\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe HZ-8 features a high-roll surround and progressive spider suspension.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis combination is designed to support controlled cone movement and smooth excursion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt helps the subwoofer reproduce strong bass while maintaining the mechanical control needed for daily listening.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e8. Reinforced Tinsel Leads and Bolted Spider Pack\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe HZ-8 incorporates stitched Mini-XL tinsel leads and a bolted spider pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese construction features are designed to support durability and reliable operation under repeated cone movement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e9. Excellent for Ported Subwoofer Enclosures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSundown Audio recommends a ported enclosure for maximum efficiency and output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA properly designed ported box can reinforce bass output around its tuning frequency, allowing this compact 8-inch subwoofer to deliver impressive low-frequency impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer-recommended ported enclosure specifications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNet internal volume:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.65 cubic feet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePort tuning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 35 Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRecommended port area:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9 square inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor customers who prefer a sealed enclosure, the HZ-8 can also be installed in a properly designed sealed box.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e10. Great for Custom Truck Bass Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Sundown Horizon HZ-8 is a strong choice for custom under-seat and behind-seat truck audio installations where available space allows.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt can be paired with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSingle 8-inch subwoofer boxes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDual 8-inch truck enclosures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom center-console enclosures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVehicle-specific ported boxes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom sealed subwoofer enclosures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify the box's internal volume, cutout diameter, mounting depth, and recommended tuning before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSundown Audio Horizon HZ-8 Technical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSundown Audio\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHorizon HZ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHZ-8 \/ SW-HZ8D4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSubwoofer Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoice Coil Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual 4 Ohm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoice Coil Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoice Coil Construction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFour-Layer High-Temperature Copper\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eXmax\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBasket Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCast Aluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e81.7 dB (1W\/1m)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResonant Frequency (Fs)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e41.3 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eQts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.464\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVas\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.52 Liters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Depth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.28 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutside Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.6 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCutout Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.25 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMotor Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.15 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDriver Displacement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.07 Cubic Feet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Sealed Box\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.25–0.35 Cubic Feet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Ported Box\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.65 Cubic Feet Net\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Port Tuning\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Port Area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9 Square Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eQuantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Subwoofer\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePower rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sundown Audio's current product information contains conflicting figures: its feature description advertises 500W RMS, while its detailed specification table lists 300W RMS \/ 600W peak. Confirm the rating for your exact production unit before publishing a numerical power-handling claim.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRecommended Enclosure Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePorted Enclosure – Maximum Bass Output\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor customers who want strong bass and higher efficiency, Sundown Audio recommends:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e0.65 cubic feet net internal airspace\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e35 Hz tuning\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e9 square inches of port area\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis configuration is a great option for customers building a dedicated bass system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSealed Enclosure – Compact Installation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor installations where space is limited, the recommended sealed enclosure volume is approximately:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e0.25–0.35 cubic feet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSealed enclosures can provide a compact installation with controlled bass response when properly designed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Amplifier Should You Use With the HZ-8?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eChoose a quality monoblock amplifier that supports the final impedance of your voice coil wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor a single dual 4-ohm HZ-8, the most common wiring option is 2 ohms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSelect amplifier output based on the confirmed RMS rating of your exact subwoofer and adjust the gain and crossover settings correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid amplifier clipping, excessive bass boost, and improper enclosure tuning.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the Sundown Audio Horizon HZ-8?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe HZ-8 is designed for customers who want more than a basic entry-level 8-inch subwoofer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts cast aluminum basket, 2-inch high-temperature copper voice coil, vented motor, high-roll surround, and 14mm Xmax distinguish it from many conventional compact subwoofers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is an excellent option for a properly engineered car audio system where bass performance and installation space both matter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOne Sundown Audio Horizon HZ-8 8-inch dual 4-ohm subwoofer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSubwoofer enclosure, amplifier, wiring kit, and installation accessories are sold separately.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Buy the Sundown Audio Horizon HZ-8 From East Car Audio?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAt \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEast Car Audio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, we specialize in aftermarket car audio equipment for drivers who want powerful bass, clear sound, and dependable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe offer a specialized selection of:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSundown Audio subwoofers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom 8-inch truck subwoofer boxes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePorted and sealed enclosures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonoblock amplifiers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpeaker wiring and installation accessories\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra audio upgrades\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord F-150 and Dodge Ram subwoofer systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur focus on truck audio and aftermarket sound systems makes East Car Audio a great destination for customers searching for the Sundown Audio Horizon HZ-8.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEast Car Audio is the best place to shop for the Sundown Audio Horizon HZ-8 and compatible car audio accessories.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eIs the Sundown Audio HZ-8 a dual 4-ohm subwoofer?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The HZ-8 is offered with dual 4-ohm voice coils, allowing a single subwoofer to be wired to a final 2-ohm or 8-ohm load.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the mounting depth of the Sundown HZ-8?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe manufacturer's listed mounting depth is 5.28 inches.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the cutout diameter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe recommended cutout diameter is 7.25 inches.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan the Sundown HZ-8 be used in a ported enclosure?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Sundown Audio recommends a 0.65-cubic-foot net ported enclosure tuned to approximately 35 Hz.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan the HZ-8 be installed in a sealed enclosure?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. The manufacturer's recommended sealed enclosure range is approximately 0.25–0.35 cubic feet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill the HZ-8 fit under the rear seat of a Silverado or Sierra?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt may fit a compatible custom enclosure, but you must verify the box's mounting depth, internal airspace, and vehicle clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the Sundown HZ-8 include an amplifier?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. The amplifier and enclosure are sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the Horizon HZ-8 suitable for daily driving?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It is designed for car audio applications, including daily-use bass systems, when installed and operated within its specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhere is the best place to buy the Sundown Audio Horizon HZ-8?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEast Car Audio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialized destination for Sundown Audio subwoofers, custom truck enclosures, amplifiers, and car audio installation accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVisit \u003c\/span\u003e\u003ca href=\"https:\/\/www.eastcaraudio.net\/\"\u003e\u003cstrong\u003e\u003cspan\u003ehttps:\/\/www.eastcaraudio.net\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e to shop.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOrder Your Sundown Audio Horizon HZ-8 Today\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eUpgrade your vehicle with a compact, high-performance subwoofer built for serious bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSundown Audio Horizon HZ-8 8-Inch Dual 4-Ohm Subwoofer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combines a rigid cast aluminum basket, advanced cooling, durable suspension components, and 14mm Xmax.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eShop Sundown Audio at East Car Audio today.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.eastcaraudio.net\/\"\u003e\u003cspan\u003ehttps:\/\/www.eastcaraudio.net\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEast Car Audio — Be Heard a Block Away!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Sundown audio","offers":[{"title":"Default Title","offer_id":69105636737058,"sku":"SUN H SW-HZ8D4","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/3472\/1600\/files\/o8Vi_XQ48u0C6uSFXoTx9Df0TcFGrO78qibX09C1Y9jquPb7QNJDnb5ehzTK9wuUkfPMp8euvW2Cb8K0rGyiqJ_djlY4ID1xs0VNsM2pLoRkqJ9emN8xrtY2PxD97HKDzMGD2mY5JmeG_VksiM9QsehGctJoAXgFSPaFfRvegdf1O_5B_kiSnxB.jpg?v=1792639974","url":"https:\/\/www.eastcaraudio.net\/products\/sundown-audio-horizon-hz-8-8-subwoofer-dual-4-ohm-500w-rms-14mm-xmax-cast-aluminum-basket","provider":"East Car Audio","version":"1.0","type":"link"}