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Soundstream SPM.654C

900W Peak (450W RMS) 6.5" Pro Audio Hybrid Coaxial Midrange 4-ohm Speakers with Horn Compression Tweeters

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• 450 watts Peak Each, 225 watts RMS Each
• Horn Compression Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Learn more about the spm654c

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Description


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Soundstream SPM.654C

Elevate your sound system with the Soundstream SPM.654C, a high-performance 6.5" midrange loudspeaker engineered for clarity, efficiency, and serious output. Designed for pro audio builds, this speaker combines a super compression tweeter with a powerful midrange driver to deliver crisp highs and rich mids—ideal for both car audio enthusiasts and professional sound installations.

Built with a ferrite magnet, steel basket, and a cloth surround, the SPM.654C is made for durability and consistent sound delivery. With an impressive MAX power rating of 450W and RMS power of 225W, it delivers aggressive output while maintaining sound quality. Whether you're building a competition system or upgrading your setup, the SPM.654C delivers the punch and clarity your sound deserves.


Product Details:

  • 6-1/2" Hybrid Coaxial Midrange Car Speakers
  • Power Handling:
    • Peak: 900 watts per pair / 450 watts each
    • RMS: 450 watts per pair / 225 watts each
  • Paper cone material
  • Cloth speaker surround
  • Horn Compression Tweeters
  • 1.5" EISV High Temperature Voice coil
  • 26 oz. Ferrite magnet motor structure
  • Strong steel basket construction
  • Top-mount Depth: 3.07"
  • Cutout Dimensions: 5.71"
  • Impedance: 4 ohm
  • Frequency Response: 140 - 18000 Hz
  • Sensitivity: 92 dB
  • Authorized Internet Dealer
  • MFR #: SPM.654C
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Priced Per
Pair
Number of Speakers
2
Speaker Size
6-1/2"
Design
Hybrid Coaxial Midrange
Tweeter Design
Horn
Woofer Composition
Paper
Woofer Surround
Cloth
Peak Power Handling
450 watts
RMS Power Handling
225 watts
Total PEAK Per Pair/Set
900 watts
Total RMS Per Pair/Set
450 watts
Sensitivity
92 dB
Frequency Response
140 - 18000 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
1.5"
Shallow Mount Installation
No
Magnet weight
26 oz.
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
3.07"
Cutout Dimensions
5.71"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
Paperwork
User manual
WITB: Speakers
Speakers (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SPM.654C

Weight:

8.60lbs

Internal SKU:

spm654c

Internal Product ID:

219789

Customer Ratings & Reviews


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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.