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Hertz Audio HMS-S 12" Infinite-Baffle Subwoofer w/ RGB Lighting - 4ohm - HMS 12 S4-LD-SW

SKU: HTZ/78035449
Regular price $74999

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Description

The new HMS 12 marine sport grille subwoofer is optimized to perform in open baffle applications for deep and punchy bass without the need to build a dedicated enclosure. HMS 12 is available at 2 or 4-ohm single voice coil versions, featuring a stunning 500 W continuous power handling. The sport grille, featuring built-in LEDs, can be easily and painted the perfect color for your vessel.  The motor and suspension design is optimized for high-power, infinite-baffle operation featuring long linear excursion capability for tremendous output with low distortion.  Hertz Marine subwoofers not only add tons of bass output to your system but also relieve the main speakers from the hard work of reproducing the lowest frequency range, thus maximizing overall system performance for unlimited sound pressure and emotion!

  1. Integrated RGB LED lighting to enhance your experience in combination with the HM RGB 1 BK accessory.
  2. 2. Sound-transparent sport grille easily removable to be painted with a custom color perfect for your boat.
  3. 3. Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
  4. 4. Long-throw 50mm (2”) voice coil woofer engineered for infinite baffle application featuring polypropylene cone injected with UV inhibitors and co-molded Santoprene surround.
  5. 5. Progressive-design aramid fiber spider with silicone-insulated lead wires ensuring durability and constant performance over time.
  6. 6. FEM optimized high-excursion mobile equipment driven by a massive magnetic group encapsulated into a marine-grade polymer injected basket.
  7. 7. Gold-plated corrosion resistant brass connection terminals with silicone cap protecting leadwire junction point.  

Specifications

Identification

MPN 78035449
Barcode 8018823139496

Dimensions

Size 12"
Depth 7.52 in.
Weight 16.8 lb

Mounting Dimensions

Mounting Hole Diameter 10.43 in.
Overall Frame Dimensions (A x B x C) 13.5 x 11 x 7.59 in.

Audio

Power Handling (Continuous) 500 W
Power Handling (Peak) 1000 W
Sensitivity (SPL) 89.5 dB
Nominal Impedance 4 Ω
Voice Coil Diameter 2.6 in.
Voice Coil Type Single

Lighting

LED Lighting Yes - Integrated RGB
LED Controller (Optional) HM RGB 1 BK

Parameters

Free Air Resonance (Fs) 30 Hz
Electrical Q (Qes) 1.1
Mechanical Q (Qms) 12.9
Total Q (Qts) 1.0
Equivalent Compliance (Vas) 3.7 cu ft
Mechanical Excursion Limit (Xmax) 0.75 in.
Mechanical Excursion Limit (Xmech) N/A
DC Resistance (Re) 3.3 Ω
Voice Coil Inductance (Le) 0.62 mH
Mechanical Compliance (Cms) 0.247 mm/N
Moving Mass (Mms) 112 g
Force Factor (BL) 8 T·m

Materials

Cone Material Polypropylene with UV Inhibitors
Magnet Type High Density Flux Ferrite
Magnet Dimensions 6.14 x 3.15 x 1.57 in.

Certifications & Protection

Protection Rating IP65
UV Resistance ASTM-D4329 Compliant
Salt Fog Resistance ASTM-B117 Compliant

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