Rockville

Pair MS525B 5.25" 400W Marine Boat Speakers, 4 Ohm, Waterproof IP56, Black, Durable ABS Grill, 87dB Sensitivity for Marine and Outdoor Use

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R 1,878
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Description

  • HIGH-POWER SOUND: 400W peak / 200W RMS per pair (100W RMS each) with injection-molded polypropylene cone and 1" ASV voice coil for dynamic audio from 110Hz-20kHz.
  • WEATHERPROOF BUILD: IP56-rated, fully marinized against salt and freshwater. Rustproof anti-UV ABS basket and grill withstand harsh marine conditions.
  • PRECISE FIT: 5.79" total diameter, 5.31" cutout, 2.56" total height, and 1.85" mounting depth for easy installation in most boats and vehicles. Includes stainless steel screws, speed clips, and template.
  • CLEAR HIGH NOTES: 1" PEI diaphragm tweeter with NdFeB magnet delivers bright, detailed highs. 87dB +/-2dB sensitivity ensures crisp audio output.
  • VERSATILE USE: 4-ohm impedance works with most marine audio systems. Ideal for boats, RVs, ATVs, and outdoor setups.

What's In the Box:

2 Speakers
Installation Hardware: (8 Stainless Steel Screws + 8 Stainless Steel  Speed Clips)
Mounting Template
Owner's Manual
Warranty Card
Features:

Pair Rockville MS525B 5.25" 400 Watt Waterproof Marine Boat Speakers 2-Way White
Peak Power: 400 Watts per pair / 200 Watts each
RMS Power: 200 Watts per pair / 100 Watts each
Injection Molded Polypropylene Cone
Aluminum voice coil with ASV winding
Cloth surrounds
Impedance: 4 Ohm
Frequency Response: 110Hz – 20 Khz
Sensitivity:87dB @1w/1m
High quality magnet: 6 Oz Y30 Ferrite magnet
1” inch ASV voice coil
IP56 waterproof
Fully Marinized Against Salt & Fresh Water Conditions
Completely Waterproof and rustproof at level IP56
Anti-UV molded ABS plastic basket & grill
Pre-installed mounting screws included
Perfect for marine, outdoor, and car use
1” inch Tweeter: (PEI Diaphragm with NdFeB magnet)
Injection Molded Polypropylene Dust Cap
SPL: 87dB  ±  2dB (at  1M / 1W)
Resonant Frequency (F0) 120Hz + or – 20% at 1V
3MM plate and 3 MM T-yoke
Total Diameter: 5.79”
Cutout Diameter in Inches for Mounting: 5.31”
Total Height: 2.56”
Mounting Depth in inches:1.85’’
Shipping weight: 2.42 Lbs
Shipping Dimensions:6” x 6” x 5.7” 
T/S Parameters:??

Magnet weight in OZ:6 OZ
Magnet details:Φ70*Φ32*10
Fs:142 Hz
Re:3.2 ohms
Qes:2.08
Qts:1.3
Qms:3.467
Vas:1.712L
Cms:195.49UM/N
Bl:2.967
MMS:6.4g
XMAX:1.5 mm
SD:78.54 cm2

Technical Specifications
Manufacturer
Rockville
Model
MS525B
Color
Black
Size
13.3 cm
Release date
31 July 2021
Shipping & Delivery

Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.

Returns & Exchanges

We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.