AUDISON AV12D4II - Voce II 12 Inch Subwoofer 4Ω

AUDISON AV12D4II - Voce II 12 Inch Subwoofer 4Ω

The AV 12 D4 II brings the unmistakable VOCE II sound signature to the deepest frequencies, combining powerful output with absolute control and musicality. This premium 12-inch subwoofer delivers Italian automotive audio engineering excellence with dual 4-ohm voice coils, 550W RMS power handling (1100W peak), and 1.5-inch CCAW (Copper-Clad Aluminum Wire) voice coil technology for exceptional thermal management and reduced mass maximizing responsiveness, precision, and durability. Featuring FEM-optimized magnetic circuit design concentrating magnetic flux precisely around voice coil gap for enhanced efficiency and control, Audison's proprietary A.V.C. (Airflow Venting Cooling) system efficiently dissipating heat through strategically placed internal channels, and Radial Reinforcement Framework (R.R.F.) integrating internal structural rays beneath cone significantly increasing mechanical rigidity reducing deformation risks during high-excursion operations. Optimized for compact sealed enclosures (21L / 0.742 ft³ recommended), the AV12D4II achieves deep controlled bass response down to 25Hz with 16.8mm Xmax linear excursion, extended-profile dust cap with VOCE II styling engineered through FEM simulation optimizing cone rigidity and structural damping, and die-cast aluminum basket with integrated cable-routing hooks facilitating clean installations in confined spaces. Includes protective metal mesh grille, eID authentication technology for product traceability and technical documentation access, and spring-loaded horizontal terminals supporting 8 AWG high-current cable connections. Designed for high-performance in-car installations demanding precise distortion-free bass in compact spaces, whether single-sub or multi-driver setups, the AV12D4II guarantees low-end performance that is tight, controlled, and deeply engaging—faithful to the Audison philosophy of blending acoustic excellence with refined Italian design.

Product Overview

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.

Important Notes:

Dual 4-Ohm Voice Coil Wiring Flexibility: Features dual 4Ω voice coils allowing series wiring (8Ω final impedance) or parallel wiring (2Ω final impedance). Series configuration suits most factory and aftermarket amplifiers rated for 4-8Ω loads. Parallel configuration (2Ω) extracts higher power from 2-ohm stable amplifiers but generates more heat—ensure adequate ventilation, use thick-gauge wiring (minimum 8 AWG), and verify amplifier is rated 2-ohm stable before parallel wiring.

Sealed Enclosure Optimization Required: Engineered specifically for compact sealed enclosure performance (21L / 0.742 ft³ recommended volume). Sealed alignment delivers fast transient response, tight controlled bass, deep low-frequency extension, and compact installation size. While ported designs are theoretically possible with 45Hz tuning, sealed enclosures maximize the subwoofer's engineering strengths and sound quality characteristics. Incorrect enclosure volume, inadequate bracing, or poor sealing compromises performance and may cause mechanical damage.

Amplifier Power Matching Critical: Match amplifier RMS output to 550W RMS rating at your configured impedance (8Ω series or 2Ω parallel). Underpowering causes clipping distortion damaging voice coils. Overpowering beyond thermal limits causes voice coil failure. Ideal amplifier range: 400-600W RMS. Use proper gain structure, signal processors, and subsonic filtering (25Hz high-pass) protecting against excessive excursion below Fs (23Hz).

Professional Installation Recommended: Premium subwoofer requires precision enclosure construction with proper internal volume, bracing, sealed joints, and acoustic damping material. Amplifier configuration, gain structure, crossover settings, and system integration demand expertise ensuring optimal performance and preventing damage. If unfamiliar with advanced car audio installation, use qualified installer.

Protective Grille Included: Durable black metal mesh grille with mounting screws included providing reliable cone protection without compromising acoustic transparency or visual elegance. Install grille for installations where physical contact possible (trunk installations, behind seats) or omit for maximum aesthetic impact in protected show vehicle installations.

Key Features

550W RMS Power Handling - Exceptional thermal stability and mechanical robustness ensure reliable management of 550W RMS continuous power allowing sustained high-performance bass output.

1100W Peak Power - Handles dynamic transient peaks up to 1100W providing headroom for demanding musical passages without distortion or damage.

Dual 4Ω Voice Coils - Flexible impedance configuration wires series (8Ω) or parallel (2Ω) matching various amplifier capabilities and system designs.

1.5" CCAW Voice Coil - Copper-Clad Aluminum Wire combines exceptional thermal handling with reduced mass maximizing responsiveness, precision, and durability.

FEM-Optimized Magnetic Circuit - Proprietary FEM simulation platform concentrates magnetic flux precisely around voice coil gap enhancing efficiency, responsiveness, and control.

Airflow Venting Cooling (A.V.C.) - Strategically placed internal channels optimize airflow and cooling efficiently dissipating heat maintaining consistent performance at high SPL.

Radial Reinforcement Framework (R.R.F.) - Internal structural rays beneath cone significantly increase mechanical rigidity reducing deformation risks during high-excursion operations.

Extended-Profile Dust Cap - Enlarged dust cap with Voce II styling engineered through FEM simulation optimizes cone rigidity and structural damping.

Die-Cast Aluminum Basket - Robust aluminum construction maximizes rigidity and thermal dissipation with integrated cable-routing hooks facilitating clean installations.

Compact Sealed Enclosure Optimized - Engineered for 21L (0.742 ft³) sealed enclosures offering deep controlled bass response in space-limited setups.

Protective Metal Mesh Grille - Durable black mesh grille with mounting screws provides reliable cone protection without compromising acoustic transparency.

Integrated Cable Routing Hooks - Two molded guides simplify neat secure cable management entirely within subwoofer footprint ensuring tight space compatibility.

Spring-Loaded Horizontal Terminals - Heavy-duty 8 AWG ready terminals allow short clean wiring paths and simplified series/parallel configurations.

High-Density Ferrite Magnet - Large 156x60x34mm magnet provides powerful magnetic field for precise cone control and linear excursion.

16.8mm Xmax Linear Excursion - Substantial linear excursion capability enables deep bass output while maintaining control and distortion-free performance.

eID Technology - Elettromedia's eID system provides full traceability, product authentication, and direct access to technical documentation and support.

Voce II Component Quality - Premium Italian engineering and craftsmanship delivering audiophile-grade performance in 12-inch subwoofer format.

Made in Italy - Audison's Italian design and manufacturing heritage ensuring exceptional build quality and sonic performance.

Technical Specifications

Note: Thiele-Small parameters specified with voice coils connected in series (4+4Ω = 8Ω).

Frequently Asked Questions

Q: What size enclosure do I need for the AV12D4II?

A: The AV12D4II is optimized for sealed enclosure at 21L (0.742 ft³). Sealed enclosure design is critical - this subwoofer is specifically engineered for sealed applications delivering precise, distortion-free bass in compact spaces. Proper internal volume, quality construction with adequate bracing, and correct mounting ensure the subwoofer achieves its design performance delivering deep, controlled, and fast bass response. While ported tuning at 45Hz is technically possible, sealed alignment maximizes the VOCE II sound signature.

Q: How do I wire the dual 4Ω voice coils?

A: The dual 4Ω voice coils provide two wiring options: Series connection (positive of coil 1 to negative of coil 2) presents 8Ω to the amplifier - suitable for most amplifiers and standard power applications. Parallel connection (positives together, negatives together) presents 2Ω to the amplifier - requires amplifier stable at 2Ω loads and provides higher power transfer. Verify your amplifier's impedance stability and power ratings at your chosen configuration before wiring.

Q: What amplifier power do I need for the AV12D4II?

A: Match amplifier RMS output to the 550W RMS rating at your chosen impedance (8Ω series or 2Ω parallel). For 8Ω series wiring, use amplifier rated 400-600W RMS at 8Ω. For 2Ω parallel wiring, use amplifier rated 400-600W RMS at 2Ω (verify amplifier 2Ω stability first). Underpowering reduces performance potential; overpowering risks thermal or mechanical damage. Quality amplifiers with proper gain structure prevent clipping which causes more damage than power ratings.

Q: Can I use this subwoofer in a ported enclosure?

A: The AV12D4II is specifically engineered and optimized for sealed enclosure applications (21L sealed). While a ported design with 45Hz tuning is technically possible, the Thiele-Small parameters and mechanical design are tuned for sealed operation delivering the intended fast, tight, and accurate bass response characteristic of the Voce II line. For best results and to achieve the VOCE II sound signature of precise, distortion-free bass, use sealed enclosure construction as recommended.

Q: What makes the 12-inch AV12D4II different from the 10-inch AV10D4II?

A: The AV12D4II offers deeper low-frequency extension with Fs of 23Hz (vs 36Hz on the 10-inch), larger cone area (539cm² vs 368cm²) for greater output capability, and lower Qts of 0.5 (vs 0.72) for tighter sealed enclosure response. The 12-inch requires larger enclosure volume (21L vs 12-14L) but delivers more authoritative bass output with the same 550W RMS power handling and VOCE II technologies. Both share identical voice coil design, FEM optimization, and Italian craftsmanship. Choose the AV12D4II for deeper bass extension and higher output in larger installations, or the AV10D4II for ultra-compact sealed applications.