Hertz
Hertz HMS 10 S4-LD-SW.1Marine Subwoofer
Hertz HMS 10 S4-LD-SW.1 marine subwoofer is designed to be installed without the need for a dedicated enclosure delivering powerful and precise bass in any vessel.
Highlights
- Engineered and tested for the real environment of application (UV, salt-fog, vibrations, water spray, thermal shock, dust ).
- Long-throw 50mm (2”) voice coil woofer engineered for infinite baffle application featuring polypropylene cone injected with UV inhibitors and comolded Santoprene surround.
- Progressive-design aramid fiber spider with silicone-insulated lead wires ensuring durability and constant performance over time.
- FEM optimized high-excursion mobile equipment driven by a massive magnetic group encapsulated into a marine-grade polymer injected basket.
Key specs
Full specs- Size mm (in.)
- 250 (10)
- Power Handling - Continuous W
- 300
- Power Handling - Peak W
- 600
- Impedance Ohm
- 4
- Depth mm (in.)
- 116 (4.56)
- No Filter Component
- SPORT LED SUBWOOFER
- Voice Coil Ø
- 50 (2)
- Magnet size D x d x h mm (in.)
- 140 x 60 x 30 (5.51 x 2.36 x 1.18)
Key specs
Full specs- Size mm (in.)
- 250 (10)
- Power Handling - Continuous W
- 300
- Power Handling - Peak W
- 600
- Impedance Ohm
- 4
Highlights
Overview- Engineered and tested for the real environment of application (UV, salt-fog, vibrations, water spray, thermal shock, dust ).
- Long-throw 50mm (2”) voice coil woofer engineered for infinite baffle application featuring polypropylene cone injected with UV inhibitors and comolded Santoprene surround.
- Progressive-design aramid fiber spider with silicone-insulated lead wires ensuring durability and constant performance over time.
Overview
Hertz HMS 10 S4-LD-SW.1 marine subwoofer is designed to be installed without the need for a dedicated enclosure delivering powerful and precise bass in any vessel. Sport white grille, featuring built-in LEDs, can be easily removed to be painted with the perfect color for your vessel. HMS subwoofers are designed to be installed without the need for a dedicated enclosure delivering powerful and precise bass in any 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, maximizing the overall system performance, for unlimited sound pressure and emotion!
Key features
- Engineered and tested for the real environment of application (UV, salt-fog, vibrations, water spray, thermal shock, dust ).
- Long-throw 50mm (2”) voice coil woofer engineered for infinite baffle application featuring polypropylene cone injected with UV inhibitors and comolded Santoprene surround.
- Progressive-design aramid fiber spider with silicone-insulated lead wires ensuring durability and constant performance over time.
- FEM optimized high-excursion mobile equipment driven by a massive magnetic group encapsulated into a marine-grade polymer injected basket.
- Gold-plated corrosion resistant brass connection terminals with silicone cap protecting leadwire junction point.
- RGB MULTICOLOR
- IP 65 CERTIFICATION
- WATER JET TESTED
- UV RESISTANT
- SALT FOG TESTED
Technologies

RGB MULTICOLOR
Built-in RGB led lighting creates sophisticated atmosphere, adding tons of class to your vessel.

IP 65 CERTIFICATION

WATER JET TESTED
The protection grade IP65 for speakers define all the Hertz Marine products as totally protected against water

UV RESISTANT
According to the severe ASTM-D4329 standards for UV resistance, all the materials used for Hertz Marine products

SALT FOG TESTED
To satisfy the standards required by ASTM-B117, Hertz Marine products are tested with massive salt fog spray to
Specs
Technical Specs
| Size mm (in.) | 250 (10) |
| Power Handling - Continuous W | 300 |
| Power Handling - Peak W | 600 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 116 (4.56) |
| No Filter Component | SPORT LED SUBWOOFER |
| Voice Coil Ø | 50 (2) |
| Magnet size D x d x h mm (in.) | 140 x 60 x 30 (5.51 x 2.36 x 1.18) |
| Weight of one component kg (lb.) | 5,1 (11.24) |
| Magnet | High density flux ferrite |
| Cone | Polypropylene with UV inhibitors |
| Xmech mm (in.) | ±19 (0.75) |
Electro-acoustic Specs
| D mm | 210 |
| Xmax mm | 13.5 |
| Re Ohm | 4,5 |
| Fs Hz | 41 |
| Le mH | 0,9 |
| Vas I | 37 |
| Mms g | 69 |
| Cms mm/N | 0,22 |
| BL T*m | 10,2 |
| Qts | 0.71 |
| Qes | 0.76 |
| Qms | 11 |
| Spl dB | 88 |
Physical Specs

| A | 280 mm | 11.4 in. |
| B | 227 mm | 8.93 in. |
| C | 164 mm | 6.45 in |
| D | 116 mm | 4.56 in. |
| F | 48 mm | 1.88 in. |
Frequency response

Visual spec reference.
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Enclosures / Box Advisor

SEALED BOX - COMPACT
- Vb l(cu.ft.)
- 50 (1.77)
- Fb Hz
- 54
- Qtc
- 1,05
- W mm(in.)
- 440 (17.32)
- H mm(in.)
- 440 (17.32)
- D mm(in.)
- 365 (14.37)
- Mounting Hole - M
- 230 (9.06)
- Wood Thickness
- 19 (0.75)
- A mm(in.)
- 440 X 440 (17.32 x 17.32) Qty 2
- B mm(in.)
- 440 x 327 (17.32 x 12.87) Qty 2
- C mm(in.)
- 402 x327 (15.83 x 12.87) Qty 2
| Box Tech Data - Sealed Box | |
|---|---|
| Vb l(cu.ft.) | 50 (1.77) |
| Fb Hz | 54 |
| Qtc | 1,05 |
| W mm(in.) | 440 (17.32) |
| H mm(in.) | 440 (17.32) |
| D mm(in.) | 365 (14.37) |
| Mounting Hole - M | 230 (9.06) |
| Wood Thickness | 19 (0.75) |
| Panels Cut List - Sealed Box | ||
|---|---|---|
| A mm(in.) | 440 X 440 (17.32 x 17.32) | Qty 2 |
| B mm(in.) | 440 x 327 (17.32 x 12.87) | Qty 2 |
| C mm(in.) | 402 x327 (15.83 x 12.87) | Qty 2 |

SEALED BOX - PERFORMANCE
- Vb l(cu.ft.)
- 71 (2.51)
- Fb Hz
- 51
- Qtc
- 0,99
- W mm(in.)
- 460 (18.11)
- H mm(in.)
- 460 (18.11)
- D mm(in.)
- 450 (17.72)
- Mounting Hole - M
- 230 (9,06)
- Wood Thickness
- 19 (0.75)
- A mm(in.)
- 460 x 460 (18.11 x 18.11) Qty 2
- B mm(in.)
- 460 x 412 (18.11 x 16.22) Qty 2
- C mm(in.)
- 422 x 412 (16.61 x 16.22) Qty 2
| Box Tech Data - Sealed Box | |
|---|---|
| Vb l(cu.ft.) | 71 (2.51) |
| Fb Hz | 51 |
| Qtc | 0,99 |
| W mm(in.) | 460 (18.11) |
| H mm(in.) | 460 (18.11) |
| D mm(in.) | 450 (17.72) |
| Mounting Hole - M | 230 (9,06) |
| Wood Thickness | 19 (0.75) |
| Panels Cut List - Sealed Box | ||
|---|---|---|
| A mm(in.) | 460 x 460 (18.11 x 18.11) | Qty 2 |
| B mm(in.) | 460 x 412 (18.11 x 16.22) | Qty 2 |
| C mm(in.) | 422 x 412 (16.61 x 16.22) | Qty 2 |
Support
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