What's the Best Budget Car Audio System?
Audio Intensity What's the Best Budget Car Audio System? Maximum performance per dolla...
Read Article →
Clarion
Clarion CMS-651RGB-SWB 6.5" Marine LED speaker
$ 159.99
Closeout Item
Free Shipping
On Orders over $99
Final Sale
No Restocks. No Returns
Don-t miss out on this deal!
25 people are viewing this right now
Clarion CMS-651RGB-SWB 6.5" Marine LED speaker
Regular price
$ 159.99
Sale price
$ 159.99
Regular price
$ 159.99
Unit price
Product Details
Specifications
Related Products
CLARION MARINE
6.5″ Marine LED Speaker
Model CMS-651RGB-SWB
RGB LED Illumination • UV-Protected Polypropylene • Waterproof Connectors • Dual Grille Options
Regular Price: $159.99
$139.99
SAVE $20.00 (13% OFF)
Expert Rating
4.2/5.0
⭐⭐⭐⭐
⚓ Marine Audio Engineering: The Harsh Environment Challenge
Marine audio speakers face environmental conditions that would destroy conventional car audio components within weeks. Constant UV radiation, salt spray, humidity, thermal cycling, and direct water exposure demand materials and construction techniques far beyond standard automotive applications.
The Clarion CMS-651RGB-SWB addresses these challenges through ASTM-certified testing protocols: ASTM-D4329 for UV stability and ASTM-B117 for salt/fog resistance. This isn't marketing hyperbole—these are industry-standard accelerated aging tests that simulate years of exposure in compressed timeframes.
At $139.99, the CMS-651RGB-SWB delivers certified marine performance plus RGB LED illumination at a price point typically reserved for basic waterproof speakers without lighting. This positions it as an exceptional value for boats, ATVs, UTVs, golf carts, and outdoor entertainment where weather resistance and visual impact are priorities.
Technical Specifications
DRIVER SPECIFICATIONS
| Design: | 2-Way Coaxial |
| Woofer Size: | 6.5″ (165mm) |
| Woofer Material: | UV-Protected Polypropylene |
| Woofer Surround: | Synthetic Rubber |
| Tweeter Size: | 0.5″ (12.7mm) |
| Tweeter Material: | PEI Balanced Dome |
| Tweeter Type: | Balanced Dome |
ELECTRICAL SPECIFICATIONS
| RMS Power: | 30 Watts |
| Peak Power: | 60 Watts |
| Impedance: | 4 Ohm |
| Sensitivity: | 87 dB @ 1W/1m |
| Frequency Response: | 55 Hz – 20 kHz |
| Audio Wire Gauge: | 18 AWG (2 wires) |
LED LIGHTING SYSTEM
| LED Type: | RGB Multi-Color |
| LED Location: | Behind Tweeter |
| Illumination Effect: | Cone Glow |
| Color Options: | 7 Colors |
| LED Wire Gauge: | 26 AWG (4 wires) |
| Power Requirement: | +12V DC |
| Fusing (per speaker): | 250 mA |
PHYSICAL DIMENSIONS
| Cutout Diameter: | 4.98″ (126mm) |
| Frame Diameter: | 6.66″ (169mm) |
| Bolt Circle: | 6.13″ (156mm) |
| Top-Mount Depth: | 2.63″ (67mm) |
| Grille Options: | Black & White (Included) |
| Grille Style: | Sport Design |
MARINE CERTIFICATION
| UV Stability: | ASTM-D4329 |
| Salt/Fog Resistance: | ASTM-B117 |
| Connector Type: | SuperSeal Waterproof |
| Warranty: | 1 Year Parts/Labor |
| Application: | Marine/Outdoor |
⚠️ Power Rating Context: 30W RMS continuous power rating reflects conservative marine application specifications. Peak 60W rating represents short-term dynamic capability. Sensitivity of 87 dB @ 1W/1m indicates moderate efficiency—adequate amplification recommended for best performance in outdoor environments.
UV-Protected Polypropylene Cone Engineering
Why Polypropylene Dominates Marine Applications
Material Selection for Extreme Environments
Marine speaker cones face accelerated aging from ultraviolet radiation that breaks down organic materials (paper, natural fibers) and even some synthetics. Polypropylene (PP) offers inherent advantages for marine duty:
- Inherent Moisture Resistance: Non-hygroscopic polymer doesn't absorb water (unlike paper which swells/weakens when wet)
- Chemical Stability: Resists degradation from saltwater, cleaning chemicals, fuel/oil exposure
- Temperature Stability: Maintains mechanical properties across -40°C to +85°C typical marine range
- UV Degradation Susceptibility: Raw polypropylene degrades under UV—requires protective treatment
UV Protection Treatment Technology
Clarion's "UV-protected polypropylene" designation indicates chemical treatment to inhibit photodegradation. Common UV stabilization methods include:
- UV Absorbers: Organic compounds that absorb UV radiation before it reaches polymer chains
- Hindered Amine Light Stabilizers (HALS): React with free radicals generated by UV exposure, preventing chain scission
- Carbon Black Pigmentation: Black polypropylene inherently more UV-resistant than lighter colors (absorbs/dissipates UV energy)
ASTM-D4329 certification confirms the CMS-651RGB-SWB's cone material survives accelerated UV aging equivalent to multiple years of continuous sun exposure—critical for uncovered marine installations.
Synthetic Rubber Surround Engineering
The cone surround (suspension) represents a critical failure point in marine speakers. Foam surrounds—common in car audio—disintegrate within months in marine UV exposure. The CMS-651RGB-SWB's synthetic rubber surround provides:
- UV Stability: Synthetic rubber formulations resist UV-induced embrittlement
- Ozone Resistance: Critical for marine applications where ozone from electrical systems accelerates rubber aging
- Flexibility Retention: Maintains compliance across temperature extremes (prevents hardening in cold, softening in heat)
- Moisture Impermeability: Won't absorb water that causes foam surrounds to collapse
RGB LED Illumination System
Seven-Color LED Configuration
The CMS-651RGB-SWB features RGB LEDs positioned behind the tweeter housing, creating a dramatic glow effect that illuminates the polypropylene cone from behind. This design choice serves both aesthetic and practical purposes.
LED Color Mixing Technology
RGB (Red-Green-Blue) LED technology enables seven distinct color outputs through additive color mixing:
| Color Output | Red LED | Green LED | Blue LED |
|---|---|---|---|
| Red | ON | OFF | OFF |
| Green | OFF | ON | OFF |
| Blue | OFF | OFF | ON |
| Yellow | ON | ON | OFF |
| Pink/Magenta | ON | OFF | ON |
| Cyan/Light Blue | OFF | ON | ON |
| White | ON | ON | ON |
Wiring and Installation Requirements
The LED system operates independently of audio signal, requiring separate 12V DC power supply:
- Four-Wire LED Harness: One common positive (+12V), three individual ground wires (Red LED, Green LED, Blue LED)
- Wire Gauge: 26 AWG (adequate for LED current draw, approximately 60-80 mA per LED color)
- Fusing Requirement: Clarion recommends 250 mA fuse per speaker LED circuit (protects against short circuits)
- Control Options: Manual switches (toggle/rocker), relay switching, or RGB LED controller integration
Note: Static color selection only—no dynamic effects (fading, flashing, music synchronization). For animated lighting, external RGB controller required (not included).
Waterproof SuperSeal Connector System
Professional Marine Connection Technology
SuperSeal Connector Engineering
The CMS-651RGB-SWB includes SuperSeal waterproof connectors for both audio and LED connections. This professional-grade connector system provides:
- IP67 Rating Equivalent: Waterproof seal withstands temporary submersion (critical for deck/gunwale mounting)
- Positive Locking Mechanism: Mechanical latch prevents accidental disconnection from vibration
- Corrosion-Resistant Terminals: Tin-plated brass contacts resist galvanic corrosion in saltwater environments
- Strain Relief: Cable entry design prevents water ingress along wire insulation
Installation Advantages
SuperSeal connectors offer significant installation advantages over hardwired connections:
- Field Serviceability: Speakers can be removed without cutting wires (simplifies winter storage or repairs)
- Reduced Installation Time: Plug-and-play connection vs. soldering or crimping in confined spaces
- Consistent Waterproofing: Factory-sealed connection superior to field-applied heat shrink or tape
- Professional Appearance: Clean connection without exposed wire splices
ASTM-B117 Salt/Fog Certification
Testing Protocol: ASTM-B117 exposes components to continuous salt fog spray (5% NaCl solution) at 35°C for extended periods (typically 200-1000 hours depending on application).
Pass Criteria: Components must exhibit no significant corrosion, maintain electrical continuity, and retain mechanical integrity post-exposure.
Real-World Significance: Certification confirms SuperSeal connectors, speaker terminals, and fasteners resist corrosion in coastal saltwater environments—critical for marine, beach, and tropical installations.
Installation Guide & System Integration
Mounting Specifications
Cutout Requirements:
- Cutout Diameter: 4.98″ (126mm) - standard 5″ hole saw acceptable
- Mounting Depth: 2.63″ (67mm) - verify clearance behind mounting surface
- Frame Diameter: 6.66″ (169mm) - allows 0.84″ mounting flange width
- Bolt Circle: 6.13″ (156mm) - optional screw-mount locations
Mounting Surface: Fiberglass, plastic, aluminum, or wood surfaces. Ensure rigid mounting to minimize vibration-induced distortion.
Amplification Recommendations
Power Requirements:
Minimum: 20W RMS @ 4Ω
Marine head unit internal amplifiers
Recommended: 25-30W RMS @ 4Ω
External marine amplifier for optimal output
Maximum: 30W RMS continuous
Do not exceed rated power
Note: 87 dB sensitivity requires adequate amplification for open-air marine environments (higher ambient noise vs. enclosed vehicles).
LED Wiring Configuration
Basic LED Installation (Static Color):
- Common Positive: Connect LED harness positive wire to switched +12V source (fused @ 250mA per speaker)
-
Color Selection: Ground desired LED color wire(s) to chassis ground:
- Red only = Red illumination
- Green only = Green illumination
- Blue only = Blue illumination
- Red + Green = Yellow
- Red + Blue = Pink/Magenta
- Green + Blue = Cyan/Light Blue
- Red + Green + Blue = White
- Leave Ungrounded: Color wires not in use remain disconnected (insulate terminals)
Advanced LED Control (Optional): Use automotive RGB LED controller (not included) for dynamic effects—fading, flashing, music synchronization. Controller connects between +12V supply and speaker LED harnesses.
Safety: Always fuse LED circuits per manufacturer specification (250mA). Use marine-grade wire and waterproof connections for all LED wiring.
Expert Analysis & Rating Breakdown
OVERALL EXPERT RATING: 4.2/5.0 ⭐⭐⭐⭐
"Exceptional value marine speaker combining ASTM-certified durability with RGB LED illumination. Clarion delivers professional marine engineering at entry-level pricing—ideal for boats, powersports, and outdoor entertainment."
BUY RECOMMENDATION
Best value LED marine speaker under $150
Who Should Buy the CMS-651RGB-SWB?
✓ IDEAL BUYER
Marine & Powersports Owners
- Boat owners seeking durable deck/cockpit speakers with lighting
- ATV/UTV riders wanting weather-resistant audio with visual impact
- Golf cart customization enthusiasts
- Outdoor entertainment (patio, pool area) with occasional water exposure
- Budget-conscious buyers prioritizing marine durability over audiophile sound
- Value RGB LED illumination for nighttime aesthetics
Expected satisfaction: 9/10
⚠ CONSIDER CAREFULLY
Audiophile Applications
- 30W RMS power handling limits maximum SPL capability
- 87 dB sensitivity requires adequate amplification in open-air environments
- Marine-optimized tuning prioritizes durability over ultimate fidelity
- For critical listening, consider higher-power marine speakers (50-100W RMS)
Audiophile rating: 6/10 (marine durability: 9/10)
✗ NOT RECOMMENDED
Car Audio Primary Speakers
- Marine certification adds cost without benefit in enclosed vehicles
- 30W RMS insufficient for front stage duty in typical car audio systems
- Car audio alternatives deliver superior sound quality at similar pricing
- RGB LED feature less impactful in daylight car interiors vs. nighttime marine
Car audio application: Not suitable (use automotive speakers)
Package Contents & Warranty
What's Included (Per Pair)
Speaker Components
- 2× CMS-651RGB-SWB speakers
- UV-protected polypropylene cones
- PEI balanced dome tweeters
- RGB LED illumination (integrated)
Grilles (Dual Options)
- 2× Black sport grilles
- 2× White sport grilles
- Choose aesthetic preference
Wiring & Connectors
- Waterproof SuperSeal audio connectors
- Waterproof SuperSeal LED connectors
- 18 AWG audio wire (integrated)
- 26 AWG LED wire (integrated)
Installation Hardware
- Mounting screws
- Installation instructions
Warranty & Support
Clarion Factory Warranty: 1 Year Parts and Labor
Coverage: Manufacturing defects in materials and workmanship under normal marine use conditions.
Important: Warranty requires proper installation per manufacturer specifications. Physical damage, abuse, or operation outside rated parameters void coverage.
Support: Contact Audio Intensity or Clarion directly for warranty service and technical support.
Purchase Information
Ready for Marine-Grade Sound with LED Illumination?
Clarion CMS-651RGB-SWB Marine LED Speaker
Regular Price: $159.99 $139.99 SAVE $20.00 (13% OFF)
✓ ASTM-Certified Marine Durability
✓ RGB LED Illumination (7 Colors)
✓ Waterproof SuperSeal Connectors
✓ Black & White Grilles Included
Available through Audio Intensity. Contact for current availability and shipping options.
Contact Audio Intensity
Product Page:
Audio Intensity Product Listing
Reference Info:
Crutchfield Product Information
Product Information Accuracy: Specifications based on Clarion official documentation and Crutchfield technical data. Clarion reserves the right to modify product specifications without notice. Installation requirements vary by application—verify mounting dimensions and power requirements before purchase. Marine certification (ASTM-D4329, ASTM-B117) represents accelerated aging testing, not absolute guarantees under all environmental conditions.
All specifications subject to manufacturer updates. LED illumination requires separate 12V power supply (not included). Fuse LED circuits per manufacturer recommendation (250mA per speaker). Professional marine installation recommended for optimal waterproofing and longevity. RGB LED controller for dynamic effects sold separately.
