The HERTZ HM 12 B4-LD-W marine classic grille subwoofer has been optimized to deliver deep and punchy bass even when placed open, without having to be installed in a box with a calculated volume. 4 Ohm impedance ensures that it can be connected to any amplifier, up to 500 W continuous power management. The sports grill with built-in LED lighting can be easily colored to match the color of the boat. The engine and suspension design is optimized for high performance and performance. with long smooth swings that provide tremendous dynamics and low distortion. The Hertz Marine subwoofers not only complement the system with plenty of bass, but also spare the broadband speakers from the burden of delivering the lowest frequency range, thus maximizing the overall performance of the system with a sense of unlimited sound pressure.

1. Built-in RGB LED lighting with the HM RGB 1 BK (not included) controller to enhance the experience.
2. Soundproof, easily removable sports grill that can be painted in a custom color to match your boat.
3. Hertz Pure Marine certified product seal that includes IP65 protection rating, ASTM-D4329 UV resistance and ASTM-B117 salt water performance.
4. High swing 50mm voice coil woofer designed for incredible performance applications with UV resistant injected polypropylene diaphragm and integral santoprene enclosure.
5. Progressively designed aramid fiber pill with silicone insulated lead wires for durability and continued quality over time.
6. FEM optimized high swing mobile unit driven by a massive magnet array embedded in a marine grade polymer injected basket.
7. Gold-plated, corrosion-resistant brass terminals with a silicone cap that protects the wire connection point.

Size: 300 mm
Continuous load capacity (RMS): 500 W
Maximum load capacity (peak): 1000 W
Impedance: 4 Ohms
Installation depth: 191 mm
Voice coil type: single coil
Voice coil diameter: 65.5 mm
Magnet size (L x D x H): 156 x 80 x 40 mm
Weight: 11.5 kg
Magnet type: High density flux ferrite
Membrane material: Polypropylene with UV protection

D: 300 mm
Xmax: 19mm
Re: 1.8 Ohms
Frequency: 30 Hz
Down: 0.41 mH
Iron: 95.4 I
Weight: 114 g
Cms: 0.225 mm/N
BL: 8 T*m
Qts: 1
Questions: 1.1
Qms: 11.1
Spl: 89.5 dB