Purchase
If you are interested in buying this item please contact us via our contact page.
We offer a $15 flat rate Australia-wide shipping service, no matter how many items, however large or heavy items may incur a higher freight charge. If your item/s is subject to additional freight charges due to being large or heavy, this will be calculated at checkout. If any damage occurs during shipping, it is the responsibility of the customer to notify us within 24 hours of the order arriving. This is a requirement of our freight insurance and we are unable to lodge any claims after 24 hours from delivery.
Designed to deliver impactful low-frequency performance in a refined, space-conscious format, the AVBX 12 D4 II combines the full authority of a 12-inch VOCE II subwoofer with an ultra-compact sealed enclosure optimized for modern vehicle interiors.
Equipped with the AV 12 D4 II driver—featuring a dual 4-ohm voice coil—the enclosure provides superior power handling and system flexibility, allowing for high-output configurations without compromising clarity or control.
The high-density 15 mm MDF structure, reinforced with internal bracing, ensures excellent mechanical stability and damping, while the sealed design produces tight, extended bass with natural decay and definition. Engineered for true musicality, the enclosure reproduces every nuance of the low-frequency spectrum with depth and precision.
Its 2S² dual-orientation architecture allows both Down-Firing and Up-Firing installation, adapting to acoustic goals and available trunk space. The Sub Smart Plug terminal simplifies connections with a hybrid interface offering Plug-&-Play and push-connect options, ready for high-current wiring.
Every element of the AVBX 12 D4 II is developed to express the VOCE II vision: no excess, no compromise—just deep, elegant and controlled bass designed to enhance every listening moment on the road.
Ultra-shallow sealed enclosure - Engineered to maximize performance in minimal space, providing tight, articulate bass response while preserving valuable vehicle storage volume.
High-density 15 mm wooden construction with internal bracing - Built using robust MDF panels and strategic internal bracing, ensuring maximum structural rigidity and suppressing unwanted resonances for clean low-frequency output.
2S² dual-orientation architecture - Allows both Down-Firing and Up-Firing installation, offering installation flexibility depending on acoustic goals and available space.
Sub Smart Plug (SSP) terminal with Plug-&-Play and push connectors - Combines quick-disconnect functionality with traditional push terminals, enabling secure, efficient wiring and hassle-free maintenance.
Acoustic design matched to VOCE II subwoofers - Precisely tuned internal volume and damping ensure perfect integration with AV 12 D4 II driver for seamless low-frequency performance.
Space-efficient footprint for OEM integration - Designed to fit effortlessly in a wide range of vehicles, offering an OEM-friendly solution for discreet yet high-performance bass enhancement.
Refined, minimalist styling consistent with VOCE II design language - Combines functionality with elegance, matching the VOCE II speaker aesthetic for a cohesive system appearance.
Rigid enclosure damping for accurate transient response - Minimizes box resonances and coloration, ensuring accurate reproduction of kick drums, basslines and low-frequency effects with minimal distortion.
High-current connectivity support - Designed to accommodate high-gauge wiring for powerful system configurations without electrical bottlenecks.
eID Technology - Integrated Elettromedia eID system allows product registration, technical documentation access and extended warranty activation.
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Technical Specs |
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Nominal diameter |
300 mm |
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Impedance |
4+4 Ohm |
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Power Handling - Peak |
1100 W |
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Power Handling - Continuous |
550 W |
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Sensitivity |
84.5 dB |
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Frequency Response |
25-400 Hz |
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Chassis Material |
ALUMINIUM |
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Magnet Material |
HIGH DENSITY FLUX FERRITE |
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Voice Coil Material |
CCAW |
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Former Material |
GLASS FIBER |
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Cone Material |
POLYPROPYLENE WITH MICA INJECTION |
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Surround Material |
RUBBER |
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Xmax |
16.8 mm |
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Xmech |
20 mm |
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Voice Coil Winding Height |
37 mm |
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Gap Height |
7 mm |
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Driver Displacement Volume |
0.9 l |
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Electric-acoustic Specs |
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D |
539 cm² |
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Re |
1.8 Ohm |
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Fs |
23 Hz |
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Le |
1.8 mH |
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Vas |
63 l |
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Mms |
298 g |
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Cms |
0.15 mm/N |
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BL |
12.2 T•m |
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Qts |
0.5 |
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Qms |
6.2 |
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Reference Efficiency |
85 |
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Dimensions |
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Dimension A |
607 mm |
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Dimension B |
401 mm |
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Dimension C |
175 mm |
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Dimension D |
35.2 mm |
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Dimension C1 |
133 mm |
For more information, please visit the manufacturer's website.
We offer a $15 flat rate Australia-wide shipping service, no matter how many items, however large or heavy items may incur a higher freight charge. If your item is subject to additional freight charges, this will be communicated to you when your order is processed. You are able to cancel your order and receive a full refund if you do not accept the additional freight charges. If any damage occurs during shipping, it is the responsibility of the customer to notify us within 24 hours of the order arriving. This is a requirement of our freight insurance and we are unable to lodge any claims after 24 hours from delivery.
For express shipping, we offer a $30 flat rate Australia-wide shipping, however, larger/heavier items and remote areas may incur additional/higher fee which will be communicated with you at the time of processing your order.
Any order can be picked up in-store, located at 9 Strathaird road Bundall 4217, during our regular business hours for no freight or handling fees. We request 2-4 business to process the order but often will have it ready in less time. For security reasons, when picking up in-store you must present photo ID if you have paid online via credit card. The card holder must be the person picking up the order.
Unfortunately, GCCS are unable to ship to PO Boxes or Parcel Lockers for insurance reasons at this time, an alternate shipping option may be offered. Additional fees may be applicable.
GCCS do not ship internationally at this time.
All products sold by GCCS come with a minimum 12 month warranty as stipulated by Australian consumer law. If your product is defective please contact us to organise the return of the item. All products are sent back to the manufacturer for assessment and either repair or replacement. Manufacturers can take up to four weeks for goods to be repaired. All goods are subject to the manufacturers terms and conditions for repair or replacement. Please contact us for further information. Any unopened item can be returned within 30 days of delivery for a refund less 20% re-stocking fee and freight costs. If the item has been opened, unpacked or used please advise us to discuss options. GCCS will pay freight charges on any orders returned if the order is the result of our error. Refunds are paid back to you by the same method of payment for that order. Refunds can take 48-72 hours after the item has been received by our store. To organise the return of an item, please contact us before sending the item to ensure prompt service.