{"product_id":"hertz-hms-10-b4-ld-c-10-marine-led-classic-charcoal-grille-subwoofer-4-ohm","title":"Hertz HMS 10 B4-LD-C 10\"  Marine LED Classic Charcoal Grille Subwoofer - 4 Ohm","description":"\u003ch3 style=\"text-align: center;\"\u003eHertz HMS 10 B4-LD-C 10\" Marine Subwoofer – 4Ω\u003c\/h3\u003e\n\u003cp\u003eBring powerful, deep bass to your marine audio system with the \u003cstrong\u003eHertz HMS 10 B4-LD-C 10\" Marine Subwoofer\u003c\/strong\u003e. Engineered for high-performance marine applications, this long-throw subwoofer delivers \u003cstrong\u003e300 watts RMS and 600 watts peak power\u003c\/strong\u003e, providing impressive low-frequency output, enhanced bass response, and the punch needed to complete your sound system.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for \u003cstrong\u003einfinite baffle installations\u003c\/strong\u003e, the HMS 10 B4-LD-C produces powerful bass without requiring a traditional sealed subwoofer enclosure. By handling the lowest frequencies, this subwoofer allows your main speakers to focus on midrange and high-frequency performance, creating a fuller, more balanced listening experience.\u003c\/p\u003e\n\u003cp\u003eBuilt to withstand demanding marine environments, the HMS 10 B4-LD-C combines advanced speaker technology with rugged, weather-resistant construction for reliable performance on the water.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePowerful Bass with Long-Throw Performance\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHertz HMS 10 B4-LD-C\u003c\/strong\u003e features a high-excursion design engineered to deliver strong, controlled bass even at high sound pressure levels.\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003e2-inch (50mm) voice coil\u003c\/strong\u003e, high-density ferrite magnet, and FEM-optimized motor structure work together to provide precise cone movement, improved power handling, and consistent low-frequency performance.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e13.5mm of Xmax\u003c\/strong\u003e and a maximum mechanical excursion of \u003cstrong\u003e19mm\u003c\/strong\u003e, this subwoofer is designed to move significant amounts of air, producing deep, powerful bass while maintaining control and clarity.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBuilt for Demanding Marine Environments\u003c\/h3\u003e\n\u003cp\u003eMarine audio equipment must withstand constant exposure to moisture, sunlight, vibration, and changing temperatures. The HMS 10 B4-LD-C is engineered and tested for these challenging conditions.\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003eUV-resistant polypropylene cone\u003c\/strong\u003e provides durability against sun exposure, while the progressive aramid fiber spider and silicone-insulated lead wires help maintain consistent performance over time.\u003c\/p\u003e\n\u003cp\u003eGold-plated, corrosion-resistant brass terminals with protective silicone caps provide dependable electrical connections, helping protect against moisture and corrosion.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300W RMS \/ 600W Peak Power Handling:\u003c\/strong\u003e Delivers powerful, controlled bass for high-performance marine audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10\" Long-Throw Subwoofer:\u003c\/strong\u003e High-excursion design produces impressive low-frequency output and bass response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Compatible with appropriately rated marine amplifiers and audio configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfinite Baffle Design:\u003c\/strong\u003e Engineered for installations that do not require a traditional sealed subwoofer enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" High-Performance Voice Coil:\u003c\/strong\u003e Provides reliable power handling and precise cone control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Ferrite Magnet:\u003c\/strong\u003e Delivers strong magnetic force for consistent performance at high output levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV-Resistant Polypropylene Cone:\u003c\/strong\u003e Designed to withstand sun exposure and demanding marine conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Aramid Fiber Spider:\u003c\/strong\u003e Progressive design with silicone-insulated lead wires improves durability and long-term performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Terminals:\u003c\/strong\u003e Gold-plated brass connections with silicone protective caps help guard against moisture and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Grade Construction:\u003c\/strong\u003e Tested against UV exposure, salt fog, vibration, water spray, thermal shock, and dust.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePower \u0026amp; Speaker Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Size\u003c\/td\u003e\n\u003ctd\u003e10\" (250mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Power Handling\u003c\/td\u003e\n\u003ctd\u003e300W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power Handling\u003c\/td\u003e\n\u003ctd\u003e600W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil Diameter\u003c\/td\u003e\n\u003ctd\u003e2\" (50mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet Material\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Flux Ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet Dimensions\u003c\/td\u003e\n\u003ctd\u003e140 x 60 x 30mm (5.51\" x 2.36\" x 1.18\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene with UV Inhibitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Linear Excursion (Xmax)\u003c\/td\u003e\n\u003ctd\u003e13.5mm (0.53\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Mechanical Excursion (Xmech)\u003c\/td\u003e\n\u003ctd\u003e19mm (0.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Application\u003c\/td\u003e\n\u003ctd\u003eInfinite Baffle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eElectro-Acoustic Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Piston Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e210mm (8.27\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e4.5Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonance Frequency (Fs)\u003c\/td\u003e\n\u003ctd\u003e41Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Coil Inductance (Le)\u003c\/td\u003e\n\u003ctd\u003e0.9mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent Compliance Volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e37L (1.31ft³)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoving Mass (Mms)\u003c\/td\u003e\n\u003ctd\u003e69g (2.43oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Compliance (Cms)\u003c\/td\u003e\n\u003ctd\u003e0.22mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForce Factor (BL)\u003c\/td\u003e\n\u003ctd\u003e10.2 T·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q Factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q Factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Q Factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (SPL)\u003c\/td\u003e\n\u003ctd\u003e88dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension A\u003c\/td\u003e\n\u003ctd\u003e280mm (11.02\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension B\u003c\/td\u003e\n\u003ctd\u003e227mm (8.94\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension C\u003c\/td\u003e\n\u003ctd\u003e164mm (6.46\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension D\u003c\/td\u003e\n\u003ctd\u003e116mm (4.57\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension F\u003c\/td\u003e\n\u003ctd\u003e48mm (1.89\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eDeep Bass. Built for the Water.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHertz HMS 10 B4-LD-C 10\" Marine Subwoofer\u003c\/strong\u003e combines powerful low-frequency performance, advanced long-throw technology, and marine-ready durability in one high-performance design.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading an existing marine audio system or building a complete setup, this subwoofer delivers the additional bass output and depth needed for a fuller, more powerful listening experience.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":50732569100505,"sku":"HMS 10 B4-LD-C","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/7389\/9481\/files\/HMS-12-B4-LD-C_2_4d787872-dd0a-4dd9-ab6e-972a59008df3.jpg?v=1790084069","url":"https:\/\/volunteeraudio.com\/products\/hertz-hms-10-b4-ld-c-10-marine-led-classic-charcoal-grille-subwoofer-4-ohm","provider":"Volunteer Audio","version":"1.0","type":"link"}