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Delivers strong, tactile bass with a controlled low end and good value; performs well under higher power when matched to an appropriate enclosure and amp.
Buyer confidence
88%Key specs
Full specs- Size mm (in.)
- 300 (12)
- Power Handling - Continuous W
- 250
- Power Handling - Peak W
- 1000
- Impedance Ohm
- 4
- Voice Coil Type
- single
- No Filter Component
- Subwoofer
- Voice Coil Ø
- 38 (1.5)
- Frequency Response Hz
- 28 ÷ 300
Key specs
Full specs- Size mm (in.)
- 300 (12)
- Power Handling - Continuous W
- 250
- Power Handling - Peak W
- 1000
- Impedance Ohm
- 4
Review highlights
Based on customer reviewsHertz DS 30.3 — Punchy, controlled 12" bass
Delivers strong, tactile bass with a controlled low end and good value; performs well under higher power when matched to an appropriate enclosure and amp.
What buyers praise
- Powerful, felt bass that adds real impact
- Controlled low end that avoids excessive rattling
What to watch for
- Best results depend on a suitable enclosure and adequate amplification — confirm fit and box type before buying
Overview
Hertz DS 30.3 car audio subwoofers box offers high efficiency and exceptional power handling. Equipped with a polypropylene membrane and butyl rubber surround, they provide high excursion with minimal distortion. An efficient cooling system ensures optimal heat dissipation, increasing their reliability.
The Dieci subwoofers are designed for use in compact sealed or reflex enclosures; thanks to an exclusive, carefully thought-out design, they can be used in any installation.
The Dieci subwoofers are designed for use in compact sealed or reflex enclosures; thanks to an exclusive, carefully thought-out design, they can be used in any installation.
Specs
Technical Specs
13
| Size mm (in.) | 300 (12) |
| Power Handling - Continuous W | 250 |
| Power Handling - Peak W | 1000 |
| Impedance Ohm | 4 |
| Voice Coil Type | single |
| No Filter Component | Subwoofer |
| Voice Coil Ø | 38 (1.5) |
| Frequency Response Hz | 28 ÷ 300 |
| Magnet size D x d x h mm (in.) | 115 x 50 x 25 D x d x h (in.) (4.5 x 2 x 1) |
| Weight of one component kg (lb.) | 4 (8.8) |
| Magnet | High density flux ferrite |
| Cone | Polypropylene with Mica injection |
| Xmech mm (in.) | 9 |
Electro-acoustic Specs
13
| D mm | 258 |
| Xmax mm | 9 |
| Re Ohm | 3,3 |
| Fs Hz | 32 |
| Le mH | 2,2 |
| Vas I | 70 |
| Mms g | 133 |
| Cms mm/N | 0,18 |
| BL T*m | 11,2 |
| Qts | 0,62 |
| Qes | 0,71 |
| Qms | 5,14 |
| Spl dB | 91 |
Physical Specs
4
| A | 306 mm | 12 in. |
| B | 279 mm | 11 in. |
| C | 132 mm | 5.2 in. |
| D | 120 mm | 4.7 in. |
Frequency response
Visual spec reference.
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Enclosures / Box Advisor
SEALED BOX
- W mm(in.)
- 320 (12.6)
- H mm(in.)
- 320 (12.6)
- D mm(in.)
- 205 (8.07)
- Vcc l(cu.in.)
- 21 (1281)
- Fc Hz
- 56
Box Tech Data - Sealed Box
| Box Tech Data - Sealed Box | |
|---|---|
| W mm(in.) | 320 (12.6) |
| H mm(in.) | 320 (12.6) |
| D mm(in.) | 205 (8.07) |
| Vcc l(cu.in.) | 21 (1281) |
| Fc Hz | 56 |
REFLEX BOX
- W mm(in.)
- 340 (13.39)
- H mm(in.)
- 320 (12.6)
- D mm(in.)
- 220 (8.66)
- Vb l(cu.in.)
- 23,9 (1461)
- Fb Hz
- 40/strong>
- Ø mm(in.)
- 82 (3.2)
- L mm(in.)
- 175 (6.9)
Box Tech Data - Reflex Box
| Box Tech Data - Reflex Box | |
|---|---|
| W mm(in.) | 340 (13.39) |
| H mm(in.) | 320 (12.6) |
| D mm(in.) | 220 (8.66) |
| Vb l(cu.in.) | 23,9 (1461) |
| Fb Hz | 40/strong> |
| Ø mm(in.) | 82 (3.2) |
| L mm(in.) | 175 (6.9) |
Support
Accessories
Grille
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