Description
Audison Voce II – AVBX 12 D4 II Subwoofer Box | Passive sub-box | 300 mm | 1100 W
AVBX 12 D4 IISubwoofer Box 1. Ultra-shallow sealed enclosureEngineered to maximize performance in minimal space, providing tight, articulate bass response while preserving valuable vehicle storage volume.2. High-density 15 mm wooden construction with internal bracingBuilt using robust MDF panels and strategic internal bracing, ensuring maximum structural rigidity and suppressing unwanted resonances for clean low-frequency output.3. 2S² dual-orientation architectureAllows both Down-Firing and Up-Firing installation, offering installation flexibility depending on acoustic goals and available space.4. Sub Smart Plug (SSP) terminal with Plug-&-Play and push connectorsCombines quick-disconnect functionality with traditional push terminals, enabling secure, efficient wiring and hassle-free maintenance.5. Acoustic design matched to VOCE II subwoofersPrecisely tuned internal volume and damping ensure perfect integration with AV 12 D4 II driver for seamless low-frequency performance.6. Space-efficient footprint for OEM integrationDesigned to fit effortlessly in a wide range of vehicles, offering an OEM-friendly solution for discreet yet high-performance bass enhancement.7. Refined, minimalist styling consistent with VOCE II design languageCombines functionality with elegance, matching the VOCE II speaker aesthetic for a cohesive system appearance.8. Rigid enclosure damping for accurate transient responseMinimizes box resonances and coloration, ensuring accurate reproduction of kick drums, basslines and low-frequency effects with minimal distortion.9. High-current connectivity supportDesigned to accommodate high-gauge wiring for powerful system configurations without electrical bottlenecks.10. eID TechnologyIntegrated Elettromedia eID system allows product registration, technical documentation access and extended warranty activation.
Technical Specs
| Nominal diameter | 300 mm |
| Impedance | 4+4 Ohm |
| Power Handling – Peak | 1100 W |
| Power Handling – Continuous | 550 W |
| Sensitivity | 84.5 dB |
| Frequency Response | 25-400 Hz |
| Chassis Material | ALUMINIUM |
| Magnet Material | HIGH DENSITY FLUX FERRITE |
| Voice Coil Material | CCAW |
| Former Material | GLASS FIBER |
| Cone Material | POLYPROPYLENE WITH MICA INJECTION |
| Surround Material | RUBBER |
| Xmax | 16.8 mm |
| Xmech | 20 mm |
| Voice Coil Winding Height | 37 mm |
| Gap Height | 7 mm |
| Driver Displacement Volume | 0.9 l |
Electric-acoustic Specs
| D | 539 cm² |
| Re | 1.8 Ohm |
| Fs | 23 Hz |
| Le | 1.8 mH |
| Vas | 63 l |
| Mms | 298 g |
| Cms | 0.15 mm/N |
| BL | 12.2 T•m |
| Qts | 0.5 |
| Qms | 6.2 |
| Reference Efficiency | 85 |









