Hertz HMS 12 S4-LD-SW marine subwoofer is available in 2 or 4-ohm single voice coil versions, featuring a stunning 500 W continuous power handling. 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. The sport grille, featuring built-in LEDs, can be easily 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.
| Size mm (in.) | 300 (12) |
| Power Handling – Continuous W | 500 |
| Power Handling – Peak W | 1000 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 191 (7.52) |
| Voice Coil Type | single |
| No Filter Component | 4Ω SPORT LED SUBWOOFER |
| Voice Coil Ø | 65.5 (2.6) |
| Magnet size D x d x h mm (in.) | 156 x 80 x 40 (6.14 x 3.15 x 1.57) |
| Weight of one component kg (lb.) | 7,6 (16.8) |
| Magnet | High density flux ferrite |
| Cone | Polypropylene with UV inhibitors |
Electro-acoustic Specs
| D mm | 300 |
| Xmax mm | 19 |
| Re Ohm | 3.3 |
| Fs Hz | 30 |
| Le mH | 0.62 |
| Vas I | 104.7 |
| Mms g | 112 |
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