Alpine BassRev BRV-S65 6.5″ 2-Way Coaxial Speakers

Alpine BassRev BRV-S65 6.5″ 2-Way Coaxial Speaker System

The Alpine BassRev BRV-S65 is a high-performance 6.5-inch 2-way coaxial speaker system engineered to deliver powerful mid-bass, controlled dynamics, and detailed high-frequency clarity from a simple factory-replacement design. As part of Alpine’s all-new BassRev Series for 2025, the BRV-S65 combines advanced acoustic engineering with easy installation, making it ideal for upgrading factory door speakers without the complexity of separate tweeters.

Developed from decades of Alpine car audio expertise, BassRev redefines coaxial speaker performance by maximising cone excursion and sound pressure while preserving Alpine’s signature clarity and tonal balance. The BRV-S65 is perfectly suited for vehicles where a straightforward, high-quality speaker upgrade is required.

High-Excursion Bass Performance with HEDGE Surround Technology

At the core of the BRV-S65 is Alpine’s all-new HEDGE surround technology (High Excursion Design Gathered Edge). This advanced surround structure is engineered to dramatically increase woofer excursion, enabling the speaker to move more air and produce higher sound pressure levels in the critical 40Hz to 80Hz bass range.

With a maximum linear excursion peak of up to 28mm, the BRV-S65 delivers deep, punchy, and controlled bass that far exceeds typical factory coaxial speakers. This design allows for strong low-frequency impact without distortion, even at higher listening volumes.

Lightweight Polypropylene Woofer for Clean, Accurate Sound

The 6.5-inch woofer features an exclusively designed lightweight polypropylene cone that offers excellent rigidity while minimising unwanted resonance. This construction ensures the cone remains stable during high-excursion movement, delivering smooth and consistent sound reproduction across the mid-bass and midrange frequencies.

By maintaining structural integrity under demanding conditions, the BRV-S65 produces clean, balanced audio with reduced distortion, making it a substantial upgrade over standard OEM speakers.

High-Strength Motor Assembly for Increased Output

Supporting the woofer is a powerful motor structure featuring a large Strontium Ferrite magnet and a substantial 40mm voice coil. This robust design increases magnetic force and driver control, allowing the speaker to deliver louder output, improved efficiency, and enhanced bass authority.

The combination of the dense magnet structure, large voice coil, and HEDGE surround enables the BRV-S65 to produce punchy, dynamic sound while maintaining precision and long-term reliability.

Integrated 1″ Soft Dome Tweeter with Neodymium Magnet

High frequencies are reproduced by an integrated 1-inch polyester soft dome tweeter mounted coaxially within the woofer. The low-mass polyester diaphragm accurately captures subtle transients and fine musical detail, ensuring vocals and instruments sound natural and well-defined.

Equipped with a Neodymium magnet, the tweeter delivers excellent efficiency and control in a compact design. This results in clean, articulate high-frequency reproduction with a smooth upper harmonic range extending up to 20kHz, enhancing overall clarity and sound staging.

Simple OEM-Style Installation

The coaxial design of the BRV-S65 makes it an ideal direct replacement for factory door speakers. With the tweeter integrated into the woofer assembly, installation is straightforward and does not require separate tweeter mounting or additional wiring.

This design preserves factory appearance while delivering a significant improvement in sound quality, making the BRV-S65 a practical and effective upgrade for a wide range of vehicles.

OPTIM™Sync DSP Compatibility for Enhanced Performance

When paired with Alpine’s OPTIM™ DSP amplifiers, the BRV-S65 can take advantage of Alpine’s proprietary OPTIM™Sync technology. This intelligent bass algorithm applies dynamic bass boost and pre-EQ specifically tuned for BassRev speakers.

OPTIM™Sync safely extends low-frequency performance, smooths tonal balance, and unlocks greater output and impact, delivering a more immersive listening experience than a conventional speaker upgrade alone.

Key Features

• 6.5-inch 2-way coaxial speaker system

• Alpine BassRev Series with advanced acoustic engineering

• HEDGE high-excursion surround for powerful, controlled bass

• Up to 28mm maximum linear excursion

• Lightweight, rigid polypropylene woofer cone

• Large Strontium Ferrite magnet motor structure

• 40mm woofer voice coil for increased output and control

• Integrated 1-inch polyester soft dome tweeter

• Neodymium magnet for clean, detailed high frequencies

• Smooth frequency response up to 20kHz

• Direct factory replacement design for easy installation

• OPTIM™Sync DSP compatibility for enhanced tuning

Technical Specifications

Woofer

• Size: 6.5-inch (165mm)

• Cone Material: Polypropylene

• Surround: HEDGE (High Excursion Design Gathered Edge)

• Voice Coil: 40mm

• Magnet Material: Strontium Ferrite

• Magnet Size: 95mm

Integrated Tweeter

• Size: 1-inch soft dome

• Diaphragm Material: Polyester

• Voice Coil: 20mm

• Magnet Material: Neodymium

• Grill: Perforated net

Crossover Network

• High-quality audio-grade tweeter crossover

Power Handling

• Peak Power: 150W

• RMS Power: 50W (CTA-2031 Compliant)

Frequency Response

• 38Hz – 20kHz

Impedance

• 4 Ohms

Sensitivity

• 84dB/W

Recommended Amplification

• Up to 50W RMS per channel

Woofer Dimensions

• Frame Diameter: 165mm

• Cutout Diameter: 156mm

• Mounting Depth: 71.3mm

• Mounting Height: 10.9mm

• Magnet Diameter: 95mm