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Description

Alpine BRV-S40C

The Alpine BassRev™ BRV‑S40C is a 2-way 4″ component speaker set engineered for precise sound in compact setups. The 4″ woofer delivers tight, punchy bass while the 3/4″ tweeter provides clear and detailed highs. Each driver operates in its optimal range, producing clean separation between instruments, natural vocals, and crisp cymbals. The HEDGE™ Surround allows for extended cone excursion, enhancing low-end performance despite the compact size.


Specifications

Features
Feature Details
Speaker Set 4″ woofer + 3/4″ component tweeter
OPTIM8® Sync Designed to pair actively with Alpine OPTIM8® for maximum output
Bass Performance Upgraded mid and low-end when tuned with OPTIM8®
Surround HEDGEâ„¢ Surround (High Excursion Design Gathered Edge)
Cone Design Unique lapel cone shape for higher excursion vs. traditional cones
Cone Material Polypropylene + mica for increased rigidity and cleaner response
Magnet Ferrite magnet motor for stable performance
Finish Gun-metal chemical coating for premium, durable finish

Tech Specs
Specification Details
Woofer Size 4″
Tweeter Size 3/4″ (Component)
Power Handling 40W RMS / 120W Peak
Frequency Response (BassRev Tuning ON) 67Hz – 20kHz
Frequency Response (BassRev Tuning OFF) 75Hz – 20kHz
Sensitivity 84dB (1W/1m)
Impedance 4Ω
Mounting Depth 1-3/4″ (woofer)
Cone Material Polypropylene (woofer), Polyester cloth-dome (tweeter)
Surround Material Rubber HEDGEâ„¢ Design (woofer)
Voice Coil Diameter 25mm (woofer), 20mm (tweeter)
Magnet Size 75mm (woofer)
Magnet Material Ferrite (woofer), Neodymium (tweeter)
Frame Material Steel (woofer)

 


About The Product

Separation Brings Clarity

As a true 2-way component set, the Alpine BassRevâ„¢ BRV-S40C lets each driver focus on what it does best. The 4″ woofer provides foundation and warmth while the 3/4″ cloth-dome tweeter brings the detail. With each driver working in its ideal range, you get a wide, precise soundstage with clear vocals, natural cymbals, and clean separation between instruments—so your music feels open, layered, and engaging at any volume, from a compact 4″ footprint.


Big-Speaker Energy

Alpine’s HEDGEâ„¢ surround on BassRevâ„¢ speakers acts like performance suspension for your woofer. On the BRV-S40C, this unique surround lets the 4″ cone move farther with control, so more power becomes real, room-filling impact—not wasted motion. That extra, linear movement translates to stronger low-end presence and fuller mids, giving the BRV-S40C the impact you expect from a larger 6.5″ driver while preserving smooth mids and clear vocals. The result is big-speaker feel from a compact 4″ component.

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Questions and Answers

Q1: What is the size of the woofer and tweeter?

A1: 4″ woofer and 3/4″ tweeter.

Q2: Does it come with a crossover?

A2: Yes, it includes a passive crossover for optimal sound separation.

Q3: What is the impedance and sensitivity?

A3: 4 Ω impedance with ~87 dB sensitivity.

Q4: How much power can it handle?

A4: 40 W RMS / 120 W peak power handling.

Q5: Does it provide good bass despite its small size?

A5: Yes, HEDGEâ„¢ Surround enables deeper bass and improved cone excursion.


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