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Massive Audio SK 5 II

5-1/4" 2-Way Slim Series Stage II Component Speaker Set

Massive Audio
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5-1/4" SK Stage II Series 2-Way Car Component System • Peak: 210W • RMS: 90W • Poly Mica-Filled Cone • Butyl Rubber Surround • Versatile Tweeter Mounting Options • 1-3/16" (30mm) Voice Coil

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Product Highlights


5-1/4" SK Stage II Series 2-Way Car Component System • Peak: 210W • RMS: 90W • Poly Mica-Filled Cone • Butyl Rubber Surround • Versatile Tweeter Mounting Options • 1-3/16" (30mm) Voice Coil

Description


Massive Audio brand icon

Authorized dealer

Massive Audio's SLIM SERIES Speakers succeed in obtaining Massive power handling without sacrificing performance in those shallow mounting locations. These Slim speakers feature upgraded 25mm Silk Dome tweeters that will take major power while still delivering smooth highs with wide dispersion and use a pro audio 12dB crossover. The compact size of these units allow them to be installed in even the most shallow of spaces available.

General Features:

  • 5-1/4" SK Stage II Series 2-Way Car Component System
  • Power Handling:
    • Peak: 420 watts per set / 210 watts each side
    • RMS: 180 watts per set / 90 watts each side
  • Recommended power range: 40 - 90 watts per channel
  • Poly Mica-filled cone
  • Butyl rubber surround
  • 1" (25mm) Silk dome tweeter
  • Nomax Spider
  • Competition Grade 12dB Crossover
  • Uni-Source and Mounting Options
  • Versatile tweeter mounting options
  • 1-3/16" (30mm) Voice coil
  • Y40 High flux ferrite magnets
  • Ferro Fluid Cooled Voice Coil
  • Slim Mount Heavy Gauge Steel Basket with Thick Power Coating
  • Top-mount depth: 1-5/8"
  • Cutout dimension: 4-1/2"
  • Frequency response: 60 - 20000 Hz
  • Sensitivity: 87.8
  • 4 ohm impedance
  • 1-year Sonic Electronix Warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Product history:

Massive Audio SK 5 II thumbnail
(newest, current model)
Massive Audio CK 5III thumbnail
(previous model, replaced by Massive Audio SK 5 II)

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Specifications & Details


Speaker Specifications
Priced Per
Pair
Number of Speakers
2 Speakers + 2 Tweeters
Speaker Size
5-1/4"
Design
2-way Component System
Tweeter Design
Dome
Tweeter Composition
Silk
Woofer Composition
Polypropylene-Mica
Woofer Surround
Butyl Rubber
Peak Power Handling
210 watts
RMS Power Handling
90 watts
Sensitivity
87.8 dB
Frequency Response
60 - 20,000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
Yes
Top-Mount Depth (Mounting Depth)
1-5/8"
Bottom-Mount Depth
1-3/4"
Cutout Dimensions
4-1/2""
General specifications
Speaker Grilles
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SK 5 II

Weight:

4.65lbs

Internal SKU:

sk5ii

Internal Product ID:

33290

Product and How-to Videos


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.