Hertz HMS 10 S4-LD-SW 10" 300W RMS 4-Ohm Marine Subwoofer with RGB LED Lighting & Sport Silver-White Grille (78035451)

The Hertz HMS 10 S4-LD-SW is a 10-inch marine subwoofer designed for powerful low-frequency reproduction in the open-air environment of a boat. Its single 4-ohm voice coil is rated at 300W RMS continuous and 600W peak, while the sport silver-white grille and integrated multicolor LED lighting provide a coordinated onboard appearance. The large-excursion motor and suspension design is optimized for infinite-baffle use, although enclosure choices should always be matched to vessel construction and published parameters.

Key Features

• Long-excursion marine subwoofer designed to reinforce bass and relieve main coaxial speakers of the deepest frequency content
• 300W RMS continuous handling, with 600W maximum capacity
• Single-voice-coil impedance chosen to match a compatible amplifier channel
• Integrated RGB lighting is wired separately from the acoustic driver circuit
• Sport Silver-White grille styling for marine installations
• UV-stabilized polymer cone and corrosion-resistant construction

Technical Specifications

• Nominal diameter: 10 in. (250mm)
• Continuous power handling: 300W RMS
• Peak power handling: 600W
• Nominal impedance: 4 ohms; single voice coil
• Application: marine infinite-baffle / baffle mounted subwoofer
• Grille: Sport removable/paintable grille, Sport Silver-White
• Integrated RGB LED illumination: yes
• Cone: UV-inhibited polypropylene
• Surround: marine-grade elastomer / Santoprene
• Magnet: high-density flux ferrite
• Environmental protection: IP65 water-jet-rated marine design
• Marine environmental testing: UV, salt fog, vibration and spray
• Voice coil diameter: 50mm (2 in.)
• Magnet dimensions: 140 x 60 x 30mm
• Product mass: 5.1kg (11.24 lb)
• Manufacturer mounting depth: 116mm (4.56 in.)
• Outside diameter: approximately 280mm (11 in.)
• Cutout: approximately 227mm (8.93 in.)
• Motor/suspension optimized for extended linear excursion
• Mechanical excursion: depends on driver revision

Compatibility

• Compatible with amplifier subwoofer outputs rated for a 4-ohm speaker load
• RGB lighting may be integrated with compatible analog RGB control equipment, including Hertz HM RGB 1 BK

Installation Guidance

• Use a dedicated subwoofer amplifier capable of safely driving 4 ohms
• Provide an adequate mounting baffle, gasketed/sealed fasteners and rear-panel clearance; use the exact current Hertz cutout drawing
• An infinite-baffle application requires an appropriate separation between front and rear sound waves and a suitable sealed/isolated bulkhead
• Configure low-pass and any infrasonic filtering to the vessel and enclosure characteristics
• Use a compatible 12V RGB lighting controller for adjustable multicolor lighting; do not connect LED leads to speaker-level audio