Alpine BassRev 4″ 2-Way Audio Coaxial Speaker System BRV-S40

Alpine BassRev 4″ 2-Way Audio Coaxial Speaker System BRV-S40

$199.95

Alpine BassRev 4″ 2-Way Audio Coaxial Speaker System BRV-S40

$199.95

Alpine BassRev 4″ 2-Way Audio Coaxial Speaker System BRV-S40

$199.95

SKU: BRV-S40

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Product Details

Alpine BRV-S40C BassRev 4" 2-Way Component Speakers with HEDGE Surround Technology

Experience premium sound quality from a compact speaker upgrade with the Alpine BRV-S40C BassRev 4" 2-Way Component Speaker System. Designed using Alpine’s decades of acoustic engineering expertise, the BassRev Series introduces innovative HEDGE (High Excursion Design Gathered Edge) technology that delivers enhanced bass performance while preserving the exceptional clarity, detail, and accuracy that Alpine is known for.

Featuring a lightweight polypropylene woofer, powerful Strontium Ferrite magnet structure, and precision 1-inch polyester soft dome tweeters, the BRV-S40C produces rich sound with surprising low-frequency performance from a compact speaker format. Ideal for factory speaker replacement applications, these speakers offer a significant upgrade in overall audio quality and listening enjoyment.

Key Features

  • 4" (125mm) 2-Way Component Speaker System designed for superior audio performance in compact installations.
  • Exclusive HEDGE Surround Technology increases cone excursion for enhanced bass response.
  • Lightweight Polypropylene Woofer Cone provides rigidity and reduced distortion.
  • 1" Polyester Soft Dome Tweeters deliver smooth and detailed high-frequency reproduction.
  • Large 75mm Strontium Ferrite Magnet Structure improves efficiency and speaker control.
  • 25mm Woofer Voice Coil supports improved power handling and dynamic output.
  • High-Quality Audio-Grade Tweeter Crossover Network for seamless frequency integration.
  • Neodymium Tweeter Magnets ensure precise and articulate treble response.
  • OEM-Compatible Tweeter Mounting System for easy installation in factory locations.
  • OPTIM™Sync Compatible when paired with Alpine OPTIM™8 DSP processing.

Advanced HEDGE Surround Technology

Alpine’s innovative HEDGE (High Excursion Design Gathered Edge) surround technology is specifically engineered to maximise speaker excursion while maintaining precise control. The BRV-S40C can achieve up to 20mm of maximum linear excursion, delivering impressive bass performance within the critical 67Hz–120Hz range.

This advanced surround design enables deeper bass output, improved punch, and greater sound pressure levels compared to conventional factory speakers, creating a fuller and more engaging listening experience.

Lightweight Polypropylene Woofer Cone

The BRV-S40C features a specially engineered polypropylene woofer cone that combines lightweight construction with excellent rigidity. This design effectively resists unwanted resonance and vibration, allowing the speaker to maintain clean, balanced sound reproduction even at higher volume levels.

The result is improved bass accuracy, enhanced midrange clarity, and lower distortion across the entire frequency range.

Large Magnet Structure for Increased Output

Built with a large 75mm Strontium Ferrite magnet and oversized 25mm voice coil, the BRV-S40C is designed to maximise speaker control and efficiency. This powerful motor structure works together with Alpine’s HEDGE surround technology to deliver stronger bass response, increased output capability, and greater overall sound performance.

Premium Soft Dome Tweeters

The included 1-inch polyester soft dome tweeters are engineered to reproduce subtle details and upper-frequency harmonics with exceptional precision. Featuring lightweight polyester diaphragms and powerful Neodymium magnets, the tweeters deliver smooth, natural, and highly detailed high-frequency reproduction.

Enjoy wider sound staging, improved imaging, and enhanced musical detail without harshness or listening fatigue.

OEM-Friendly Installation Design

The BRV-S40C tweeters feature removable housings and trim rings that allow compact installation into many factory tweeter locations. Suitable mounting positions include:

  • A-Pillars
  • Mirror Sail Panels
  • Factory Tweeter Housings
  • Door Trim Locations

This flexible design allows installers to maintain a factory-style appearance with minimal modification while achieving optimal sound performance.

OPTIM™Sync Technology Compatibility

The BRV-S40C is compatible with Alpine’s advanced OPTIM™Sync processing when paired with the Alpine OPTIM™8 DSP Amplifier. OPTIM™Sync intelligently applies speaker-specific equalisation and dynamic bass enhancement to unlock deeper bass extension, improved tonal balance, and enhanced overall audio performance.

Technical Specifications

Model Alpine BRV-S40C
Speaker Type 2-Way Component Speaker System
Woofer Size 4" (125mm)
Woofer Cone Material Polypropylene (PP)
Surround Technology HEDGE (High Excursion Design Gathered Edge)
Woofer Voice Coil 25mm
Woofer Magnet Material Strontium Ferrite
Woofer Magnet Size 75mm
Tweeter Size 1" Polyester Soft Dome
Tweeter Voice Coil 20mm
Tweeter Magnet Material Neodymium
Crossover Network High-Quality Audio-Grade Tweeter Crossover
Peak Power Handling 120 Watts
RMS Power Handling 40 Watts RMS (CTA-2031 Compliant)
Frequency Response 75Hz – 20kHz
Impedance 4 Ohms
Sensitivity 87dB/W
Recommended Amplification Up to 40W RMS Per Channel

Woofer Dimensions

Frame Diameter 10.08 cm
Cut-Out Diameter 9.5 cm
Mounting Depth 4.49 cm
Mounting Height 0.69 cm
Magnet Diameter 7.5 cm

Tweeter Dimensions

Frame Diameter 5.8 cm
Mounting Diameter 5.1 cm
Mounting Depth 1.76 cm
Height 2.54 cm

What's Included

  • 2 x Alpine BRV-S40C 4" BassRev Woofers
  • 2 x 1" Polyester Soft Dome Tweeters
  • 2 x Audio-Grade Tweeter Crossovers
  • Tweeter Flush Mount Hardware
  • OEM-Compatible Tweeter Mounting Components
  • Protective Speaker Grilles
  • Installation Hardware
  • User Documentation

Why Choose the Alpine BRV-S40C?

  • Advanced HEDGE surround technology for enhanced bass performance
  • Premium polypropylene woofer cone for accurate sound reproduction
  • Large magnet structure and 25mm voice coil for improved output
  • Detailed polyester soft dome tweeters with Neodymium magnets
  • OEM-friendly installation design
  • Compatible with Alpine OPTIM™Sync DSP tuning technology
  • Excellent factory speaker replacement solution
  • Legendary Alpine sound quality and reliability

The Alpine BRV-S40C BassRev 4" Component Speaker System delivers impressive bass, exceptional clarity, and detailed high-frequency performance in a compact package, making it the perfect upgrade for drivers seeking premium sound quality from factory speaker locations.