Audison Voce II AV 6.5 P II Midbass Speaker Woofer Set 6.5 Inch 4ohm 150w RMS

The Audison Voce II AV 6.5 P II is a 165 mm (6.5-inch) 4 ohm mid-bass woofer set rated at 150 W RMS and 300 W peak, from Audison's high-end Voce II speaker range.

Key specifications

• Size: 165 mm (6.5 in)
• Impedance: 4 ohms (minimum 3.1 ohms)
• Power handling: 150 W continuous, 300 W peak
• Sensitivity: 91 dB (2.83 V/1 m)
• Frequency response: 45–7,500 Hz (-6 dB)
• Voice coil: 40 mm CCAW on glass fibre former
• Cone: Semi-pressed pulp (paper) with cotton fibres
• Xmax: 4.95 mm

AV 6.5 P II woofer: 300 W peak power, 165 mm (6.5 in), 4 ohm

The AV 6.5 P II naturally rolls off at off-axis positions, eliminating the need for a low-pass filter in most door installations and reducing phase shifts common with other filters. A gentle 6 dB/octave filter can be added to enhance low and mid-bass. The OEM-style connector is compatible with FASTON terminals, and a unique T-shaped pole piece with an aluminium ring minimises distortion and improves frequency response.

• 1.6 in (40 mm) CCAW voice coil: maximises excursion capability and heat dissipation, allowing 150 W RMS handling without dynamic compression at high volumes.
• Low inductance design: an aluminium shorting ring built into the motor optimises upper midrange (2–3 kHz) reproduction, improving clarity of vocals and instruments.
• Oversized magnetic assembly: provides exceptional thermal stability and optimal dynamic reserve in any listening condition.
• FEM optimised magnetic circuit geometry: concentrates the magnetic field on the coil for more precise, dynamic sound.
• Semi-pressed pulp cone with cotton fibres: combines rigidity and lightness for a wide frequency response and clean midrange reproduction.
• Die-cast aluminium basket with magnet cover: enhances heat dissipation, reduces turbulent airflow, and ensures maximum rigidity during prolonged use.
• High-excursion butyl rubber surround and optimised spider: advanced simulation ensures greater linearity and cone control, reducing distortion during intense excursions.
• Installation flexibility: OEM-style and Faston connectors for maximum versatility. Includes two adhesive Audison logo badges.
• Optional black or silver mesh metal grille: robust protection without compromising acoustic performance.
• eID technology: ensures product traceability from production to final owner, guaranteeing authenticity and security.

Give sound its true voice

"Audison Voce II, the second generation of our iconic VOCE speakers, challenged us to rethink how we design, test, and manufacture speakers. We've revamped materials, supply chains, assembly techniques, and packaging. Our goal was to 'unlearn' to innovate and to 'reinforce our expertise' where we knew we were on the right track. This dedication ensures that every aspect of VOCE II meets the sophisticated demands of today's car audio enthusiasts." Luca Girotti, Audison Technical Director

AV 6.5 II mid-bass

The AV 6.5 II delivers power and control across bass and mid frequencies. Rated at 150 W RMS, it suits builds requiring extended frequency response with powerful dynamics free of distortion.

Powerful motor for better performance

The AV 6.5 P II uses a powerful magnetic motor with a T-shaped pole piece incorporating an aluminium ring. This minimises distortion during high excursions and linearises frequency response for superior clarity. Magnetic assembly geometry was optimised using FEM (Finite Element Method) simulation software, concentrating the magnetic field in the voice coil for improved efficiency and dynamic, distortion-free sound reproduction.

Minimum inductance for an extended frequency response

Research focused on reducing voice coil inductance modulation. By magnetically saturating the motor pole and using a copper short-circuit ring for mid-range and an aluminium short-circuit ring for mid-bass, greater extension towards midrange frequencies was achieved.

40 mm CCAW voice coil

The 40 mm CCAW (copper-clad aluminium wire) voice coil ensures linear response across the full low- and mid-frequency spectrum. The AV 6.5 P II works seamlessly with a DSP, optimising sound performance in any condition.

OEM and Faston connectors for perfect integration

The AV 6.5 P II is equipped with both an OEM-style automotive connector and traditional Faston connectors, giving the installer maximum flexibility. This simplifies installation and supports both sound performance and clean vehicle integration.

Die-cast aluminium basket: engineered for optimal aerodynamics

The die-cast aluminium basket features four pairs of spokes designed to provide a rigid structure while minimising airflow resistance around the cone. The cone can move freely, improving response and reducing unwanted resonances in mid frequencies. Multiple holes prevent air compression under the spider and ensure optimal decompression of the air column inside the voice coil.

Semi-pressed pulp cone for superior sound performance

The cone, made from semi-pressed pulp with cotton fibres, offers low density and high mechanical damping for a smooth frequency response across all listening positions. Using finite element calculation methods, the R&D team achieved an extremely rigid structure that shifts cone vibration modes to higher frequencies, keeping the entire midrange free from distortion and irregularities.