
2 YEAR WARRANTY
Hertz Dieci DBX 30.3 12" Car Sub Subwoofer Custom Box Exclosure 250w RMS
DBX 30.3 SUB BOX
The DBX 30.3 is a car audio subwoofer box designed to enhance the audio system performance in the low range frequencies, optimizing the spaces and ensuring a quick, not too invasive installation.
There are no reviews for this product.

The subwoofer unit, which is the DS sub, provides a punching, dynamic, surrounding bass. The very thick MDF enclosure, thanks to its rigid and stable structure, doesn€™t affect the acoustics. The rear slanted panel fulfils two important functions: it reduces back-wave reflections and eases the installation.
- Speaker size mm (in.) 300 (12)
- Power Handling - Peak W 1000
- Power Handling - Continuous W 250
- Impedance Ω 4
- Frequency response Hz 28 ÷ 300
- Sensitivity dB SPL 91
- Voice coil Ø mm (in.) 38 (1.5)
- Xmax mm 9
- X-mech mm (in.) 16 (0.63)
- Re Ω 3,3
- Fs Hz 32
- Vas l 70
- Qts 0,62
- Qes 0,71
- Qms 5,14
- Spl dB 91
The subwoofer unit, which is the DS sub, provides a punching, dynamic, surrounding bass. The very thick MDF enclosure, thanks to its rigid and stable structure, doesn€™t affect the acoustics. The rear slanted panel fulfils two important functions: it reduces back-wave reflections and eases the installation.
- Speaker size mm (in.) 300 (12)
- Power Handling - Peak W 1000
- Power Handling - Continuous W 250
- Impedance Ω 4
- Frequency response Hz 28 ÷ 300
- Sensitivity dB SPL 91
- Voice coil Ø mm (in.) 38 (1.5)
- Xmax mm 9
- X-mech mm (in.) 16 (0.63)
- Re Ω 3,3
- Fs Hz 32
- Vas l 70
- Qts 0,62
- Qes 0,71
- Qms 5,14
- Spl dB 91
- Hertz Dieci DBX 30.3 Subwoofers
-
Product Information
The subwoofer unit, which is the DS sub, provides a punching, dynamic, surrounding bass. The very thick MDF enclosure, thanks to its rigid and stable structure, doesn€™t affect the acoustics. The rear slanted panel fulfils two important functions: it reduces back-wave reflections and eases the installation.
- Speaker size mm (in.) 300 (12)
- Power Handling - Peak W 1000
- Power Handling - Continuous W 250
- Impedance Ω 4
- Frequency response Hz 28 ÷ 300
- Sensitivity dB SPL 91
- Voice coil Ø mm (in.) 38 (1.5)
- Xmax mm 9
- X-mech mm (in.) 16 (0.63)
- Re Ω 3,3
- Fs Hz 32
- Vas l 70
- Qts 0,62
- Qes 0,71
- Qms 5,14
- Spl dB 91
-
What's Included
- Hertz Dieci DBX 30.3 Subwoofers
You may also like

Pioneer TS-WX1010LA Powered Active Subwoofer Shallow Sub Bass Remote 300w RMS
TS-WX1010LA25 cm shallow sealed subwoofer with built-in amplifier (1200 W).
£269.00
Match UP W8BMW-S BMW 1, 2, 3, 4, 5 X Series 8 Inch Underseat Subwoofers 200w RMS
MATCH UP W8BMW-SApproved compatibility with BMW ModelsPremium cars deserve premium sound – the basic speaker setup in BMW vehicles does not meet the expectations of ambitious music lovers in many cases
£239.00
JL Audio CP112-W0V3 Sub 12" Single W0 BassWedge Ported Subwoofer 300w RMS
CP112-W0v3Single 12W0v3 BassWedge, Ported, 4 Ω
£279.00
JL Audio CS112TG-TW3 Subwoofer 12" TW3 PowerWedge Sealed Sub Enclosure 400w RMS
CS112TG-TW3Single 12TW3 Truck PowerWedge, Sealed, 2 Ω
£549.00
Focal BombA BP20 Access Series 8 Inch Active Subwoofer Enclosure 150w RMS
Focal BombA BP20Single 8" subwoofer enclosure with 150-watt amp
£239.00
Hertz Cento CS 300 S4 12" 30cm 4ohm Subwoofer Sub 350w RMS
Hertz Cento CS 300 S4The new CS 300 s4 Cento subwoofer is the perfect enhancement to every sound system, to fully enjoy the authentic Hertz Sound Experience!
£199.00
JL Audio 10W1v3-4 10" 25cm W1 Series Car Sub Subwoofer Driver 4ohm 300w RMS
10W1v3-410-inch (250 mm) Subwoofer Driver, 4 Ω
£229.00
JL Audio 15W0v3-4 15" 38cm W0 Series Car Sub Subwoofer Driver 4ohm 500w RMS
15W0v3-415-inch (380 mm) Subwoofer Driver, 4 Ω
£229.00
JL Audio CP212-W0v3 12" 30cm Dual 12W0v3 BassWedge Ported Subwoofer 600w RMS
CP212-WØv3Dual 12W0v3 BassWedge, Ported, 2 Ω
£489.00
Audison Prima APS 8 D 8" Car Subwoofer Sub Dual 4 Ohm 250w RMS
APS 8 DThe APS 8 D is designed to deliver maximum performance in a sealed enclosure with ultra-compact volumes from 7.5 lt. to 8.5 lt. It features push connectors for ease of wiring and configurations and has been developed with a primary goal: to deliver high output in tight spaces.
£189.00
Helix K 10SE.2 Subwoofer 10 Inch Downfire Shallow Vented Sub Enclosure 300w RMS
HELIX K 10SE.2Downfire Shallow Vented Sub Enclosure 300w RMS
£299.00
Alpine X-W12D4 Sub 12" 30cm X Series Subwoofer Dual 4 Ohm Voice Coils 900w RMS
X-Series: An Audiophile Sound Experience12′′ (30 cm) X-Series Subwoofer (4Ω + 4Ω)
£499.00
JL Audio CP208LG-W3V3 Dual Sub 8" MicroSub Ported Subwoofer Enclosure 500w RMS
CP208LG-W3v3Dual 8W3v3 MicroSub, Ported, 2 Ω
£679.00
Sony XS-W104ES Mobile ES Series 10 Inch Component MRC Honeycomb Subwoofer 450w
XS-W104ES Elevate your soundBeyond just bass, the XS-W104ES subwoofer completes your music. Whether you're just looking for power you can feel, or to be truly transported by sound, this Mobile ES subwoofer upgrades any in-car listening experience.
£210.00
Alpine X-W10D4 Sub 10" 25cm X Series Subwoofer Dual 4 Ohm Voice Coils 900w RMS
X-Series: An Audiophile Sound Experience10′′ (25 cm) X-Series Subwoofer (4Ω + 4Ω)
£479.00
Pioneer TS-A250S4 Sub 10" 25cm Singal Voice Coil Subwoofer 400w RMS
TS-A250S425 cm 4Ω enclosure-type single voice coil subwoofer (1300W)
£60.00
Audison Prima APBMW S8 2ohm Plug & Play Under Seat Subwoofers Pair BMW 150w RMS
APBMW S8-2 PairSUBWOOFER FOR BMW-MINISubwoofers have been designed with electro-acoustic parameters that maximize performance for the factory box available below the seats. The ABS plastic basket, reinforced with fiberglass, and the acoustic structure featuring a front magnet, provide for a minimal installation depth for a perfect compatibility with the whole range.Two 5 mm polyurethane gaskets, supplied, allow the subwoofer to fit perfectly to the box, decoupling it from vibration.
£478.00
JL Audio HO112-W6V3 Subwoofer 12 Inch W6 HO Wedge Ported Sub Enclosure 600w RMS
HO112-W6v3Single 12W6v3 H.O. Wedge, Ported, 2 Ω
£819.00
Alpine SWC-D84T6 Underseat Subwoofer Sub Enclosure for Volkswagen Transporter T6
Alpine Adventure Audio – Your journey to a new sound experienceSubwoofer with Enclosure for Volkswagen T6.1 / T6
£169.00