Alpine BRV-S40C BASSREV Series 4" 40W RMS (120W Peak Power Handling) at 4-Ohms, 2-Way Car Component System - Optimized for Alpine OPTIM8® with OPTIM™Sync Technology
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What's Inside?
- • (2) Woofers
- • (2) Tweeters (each has an attached 30" length of wire terminated with quick slides)
- • (2) Tweeter grilles (installed)
- • (2) Flush mount housings (with tweeters installed)
- • (2) Flush mount retention rings
- • (2) Stealth tweeter brackets
- • (6) 3/4" Screws
- • (6) Speed clips
- • Warranty information
- • Important Notice
- • On-line product registration information
- • Specifications on box
- • Owner's Manual
Why Choose Alpine BRV-S40C Component System?
True 2-Way Precision — Big Sound from a Compact 4” Design
As a genuine 2-way component system, the Alpine BassRev™ BRV-S40C lets each driver shine in its ideal role. The 4" woofer delivers warmth and depth, while the 3/4" cloth-dome tweeter adds clarity and sparkle to every note. Working together, they create a balanced, spacious soundstage with crisp vocals, natural highs, and clean instrument separation—bringing an immersive, full-sized listening experience from a compact 4" package.
HEDGE™ Surround — Big Sound from a Compact 4”
Alpine’s HEDGE™ surround acts like performance suspension for the BRV-S40C woofer, letting the 4" cone move farther while staying controlled. This extra linear excursion turns more power into room-filling impact, not wasted motion, delivering stronger low-end presence and fuller mids. You get the impact of a larger 6.5" speaker while keeping smooth mids and clear vocals, giving a big-speaker feel from a compact 4" component.
OPTIM Sync™ DSP Integration — Unlock the Full Potential
The BassRev™ BRV-S40C delivers outstanding performance on its own, but when paired with Alpine’s OPTIM8 DSP/Amplifier using OPTIM Sync™, it transforms into a truly remarkable system. OPTIM Sync applies BassRev-specific tuning, featuring dynamic bass enhancement and precisely tailored pre-EQ to safely extend low-end output and refine tonal balance. The result is richer, deeper, and more natural sound that feels larger than life—delivering an immersive listening experience no standalone speaker can match.
Frequently Asked Questions (FAQ)
- • Will these 4-inch component speakers sound better than my factory speakers?
Yes, they offer cleaner vocals, better instrument separation, and more detailed highs than most factory systems. Pairing them with an amplifier will provide an even bigger improvement.
- • Do I need an amplifier, or can I run them from my head unit?
They can work with many aftermarket head units, but an amplifier delivers better volume and clarity. Clean power also helps reduce distortion at higher listening levels.
- • Why do the tweeters sound too bright after installation?
This is usually caused by tweeter placement or aggressive EQ settings. Repositioning the tweeters and reducing high-frequency boost often creates a smoother sound.
- • Can these fit into my factory 4-inch speaker locations?
They are designed for many vehicles with 4-inch factory speaker openings. Always verify mounting depth and available clearance before installation.
- • Why is there very little bass after installing them?
Small component speakers focus more on clean mids and highs than deep bass. Adding sound deadening or a dedicated subwoofer will greatly improve low-frequency performance.
- • Why do my doors rattle after upgrading the speakers?
Higher-quality speakers can reveal vibrations that factory speakers never produced. Installing sound-deadening material and tightening loose panels usually solves the problem.
- • Can I pair these with a subwoofer?
Yes, they work very well alongside a powered or amplified subwoofer. A subwoofer handles the deep bass while these speakers focus on accurate mids and highs.
- • Why do the vocals seem to come from the doors instead of the dashboard?
This is usually caused by tweeter placement or a lack of time alignment. Installing the tweeters higher in the cabin or using a DSP can improve the front soundstage.
- • How does the frequency response change when using the DSP integration?
When paired with a compatible DSP using OPTIM Sync, the frequency response can be extended down to approximately 67 Hz. Without that specific DSP integration, the speakers operate within their standard frequency response range of 75 Hz to 20 kHz.
- Diameter : 4 Inch
- Sensitivity : 84 dB
- Frequency Response : 75-20000 Hz
- Peak Power Handling : 120 Watts
- Woofer Composition : Polypropylene
- RMS Power Handling : 40 Watts
Features:
- High Excursion Design (H.E.D.G.E.): Gathered Edge rubber surround enhances output and extends low-frequency response for deeper bass performance.
- Unique Lapel Cone Shape: Engineered for exceptional excursion, allowing greater cone movement and improved sound accuracy.
- OPTIM Sync Technology: Features pre-EQ tuning tailored to each driver (requires PXE-C80-88 with version 3.0 or newer) for optimized sound calibration.
- Polypropylene and Mica Cone Material: Combines rigidity and lightweight design for improved clarity and durability.
- Ferrite Magnet: Provides consistent magnetic strength for stable and reliable performance.
- Gun Metal Chemical Topcoat: Adds a premium, durable finish with a sleek, modern aesthetic.
Specifications:
- Woofer Size: 4”
- Tweeter Size: 0.75”
- Maximum Peak Power: 120W
- Maximum RMS Power: 40W
- Frequency Response: Without BassRev 75 Hz – 20k Hz With BassRev 67 Hz – 20k Hz
- Impedance: 4 Ohm
- Sensitivity: 84dB
- 30% SPL increase for increased loudness
- 25% X-Max increase for increased cone movement
- Mounting Depth: 45mm (1.77”)
- UPC: 50793276002360
- Weight: 10
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.