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.
The AV 12 D4 II brings the unmistakable VOCE II sound signature to the deepest frequencies, combining powerful output with absolute control and musicality. Designed for sealed enclosures, it delivers precise, distortion-free bass in compact spaces—making it an ideal choice for high-performance in-car installations.
At its core is a dual 4-ohm voice coil architecture, offering exceptional flexibility in wiring configurations. The 1.5-inch Copper-Clad Aluminum Wire voice coil, coupled with an FEM-optimized magnetic assembly, ensures efficient energy transfer and superior thermal management during extended listening sessions.
The subwoofer features an extended-profile dust cap and Radial Reinforcement Framework (R.R.F.) to enhance cone stability and minimize deformation during high excursion. The rugged die-cast aluminum basket integrates smart cable routing hooks, while the spring-loaded terminals allow secure connections with high-current 8 AWG cables.
Whether used in a single-sub or multi-driver setup, the AV 12 D4 II guarantees low-end performance that is tight, controlled and deeply engaging—faithful to the Audison philosophy of blending acoustic excellence with refined Italian design.
550 W RMS continuous power handling - Exceptional thermal stability and mechanical robustness ensure reliable management of 550 W RMS continuous power, allowing sustained high-performance bass output.
1.5 in. (38.6 mm) CCAW voice coil (Copper-Clad Aluminum Wire) - Combines exceptional thermal handling with reduced mass, maximizing responsiveness, precision, and durability under demanding listening conditions
Airflow Venting Cooling (A.V.C.) prevents voice-coil overheating-related limitations - Proprietary AVC technology optimizes airflow and cooling through strategically placed internal channels, efficiently dissipating heat and maintaining consistent performance at high SPL.
Optimized for Compact Sealed Enclosures - Engineered to perform at its best in compact sealed enclosures (12–14 L / 0.4–0.5 ft³), offering deep, controlled bass response even in space-limited setups.
Protective Metal Mesh Grille Included - Comes with a durable black mesh grille and mounting screws, providing reliable cone protection without compromising acoustic transparency or visual elegance.
Radial Reinforcement Framework (R.R.F.) - Integrates internal structural rays beneath the cone, significantly increasing mechanical rigidity and effectively reducing deformation risks during high-excursion operations, ensuring consistent performance, precision, and reliability over time.
Die-cast aluminum basket with integrated cable-routing hooks - Robust aluminum basket maximizes rigidity and thermal dissipation, while integrated cable-management hooks facilitate clean installations even in confined spaces
Extended-Profile Dust Cap with VOCE II Styling - The enlarged dust cap, featuring refined detailing consistent with the VOCE II speaker range, is engineered through FEM simulation to optimize cone rigidity and structural damping.
Dual Integrated Cable Routing Hooks - Two molded guides built into the outer structure simplify neat and secure cable management. These hooks are entirely within the subwoofer’s footprint, ensuring compatibility with tight installation spaces.
Die-Cast Aluminum Basket with Magnet Cover - Offers excellent mechanical damping, improved heat dissipation, and stable airflow, maintaining structural integrity and high performance over time.
Spring-Loaded Horizontal Terminals (8 AWG Ready) - Side-by-side heavy-duty terminals allow short, clean wiring paths and simplified series or parallel configurations, supporting high-current cable connections.
FEM-Optimized Magnetic Circuit Geometry - The entire magnetic assembly has been engineered using Audison’s proprietary FEM simulation platform to concentrate the magnetic flux precisely around the voice coil gap, enhancing efficiency, responsiveness, and control.
eID Technology - Features Elettromedia’s eID system for full traceability, product authentication, and direct access to technical documentation and support.
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Technical Specs |
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Nominal diameter |
300 mm (12 in) |
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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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Voice Coil Ø |
38.6 mm (1.5 in) |
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Chassis Material |
ALUMINIUM |
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Magnet Material |
FERRITE |
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Magnet size D x d x h |
156*60*34 mm (in.) |
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Voice Coil Material |
CCAW |
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Former Material |
GLASS FIBER |
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Cone Material |
POLYPROPYLENE |
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Xmax |
16.8 mm (0.66 in) |
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Xmech |
20 mm (0.79 in) |
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Voice Coil Winding Height |
37 mm (1.46 in) |
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Gap Height |
7 mm (0.28 in) |
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Recommended Enclosure |
21 l (0.742 ft) |
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Recommended Tuning |
45 Hz |
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Ferrofluid |
No |
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Electric-acoustic Specs |
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D |
539 cm² (83.545 in²) |
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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 (2.225 ft) |
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Mms |
298 g (10.512 oz) |
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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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Qes |
0.5 |
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Qms |
6.2 |
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Reference Efficiency |
84.5 |
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General |
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Weight |
6.6 kg |
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Dimensions |
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Dimension A |
318.3 mm (12.53 in) |
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Dimension B |
282.9 mm (11.14 in) |
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Dimension C |
102.5 mm (4.04 in) |
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.