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Polk MM652 Ultra-Marine Certified 6.5'' Coaxial Speakers

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MM1 Series 6.5" Coaxial Speakers with Ultra-Marine Certification 

  • Premium upgrade tuned for the total sonic accuracy found in a studio monitor speaker
  • Meticulously conceived, designed and engineered for advanced high performance sound
  • Dynamic Balance technology provides rich, clean, full-range sound by eliminating distortion and unwanted resonant frequencies
  • Low protrusion pivoting 1” Terylene tweeter ensures clear, detailed highs


  • Total Pieces


  • Included Accessories
    • (2) Grilles
    • (2) Mounting Hardware
    • (2) Wiring Harness
    • (2) Plastic Adapter Rings

Coaxial Speakers

  • Qty Included
  • Driver Enclosure Type
    Ultra-Marine Certified
  • Driver Complement
    • (1)  6.5" (16.51 cm) d (Round) - Mid/Woofer
    • (1)  1" (2.54 cm) d (Round) - Tweeter

Cut Out Dimensions

  • Shape
  • Diameter
    5" (12.7 cm)
  • Full-Range Mounting Depth - Top Mount
    2.62" (6.65 cm)
  • Full-Range Mounting Depth - Bottom Mount
    2.86" (7.26 cm)


  • Shape
  • Height
    0.95" (2.41 cm)

Audio Quality

  • Total Frequency Response
    35 Hz → 40 Hz
  • Nominal Impedance
    4|||| ohms
  • Sensitivity (1 watt @ 1 meter)
    93 dB


  • Type
    1st Order (Woofer) 2nd Order (Tweeter) at 5.0 kHz
  • Peak Power Handling
    300 watts
  • Power Handling (per channel)
    100 watts → 300 watts

Advanced High- Performance Sound

Every element of the MM1 Series is meticulously engineered for high-performance sound—Dynamic Balance technology, a pivoting 1” Terylene tweeter, UV tolerant titanium plated composite cones, lightweight neodymium motor structure—plus, glass fiber formers, oversized voice coils and high-temp Conex spiders for increased power handling.

Dynamic Balance Technology

Enjoy a rich, clean, full-range sound with our patented Dynamic Balance technology engineered into every MM1 speaker. Rigorously tested and developed by our talented Polk Audio engineers, whose passion rests in the principles of great sound, Dynamic Balance technology features non-resonant materials so you get extremely clear highs, mids and lows no matter what you’re listening to.

Neodymium Motor Structure

Compact lightweight neodymium motor structure provides more output with less power and overall higher efficiency—plus easier drop-in installation.

Glass Fiber Formers, Oversized Voice Coils and High Temperature Conex Spiders

All three combine to create a high efficiency driver, for elevated sound, increased power handling, better linearity, lower distortion and greater durability.

Non-corrosive Fiberglass Reinforced Baskets

Offers heavy-duty protection for back half of the speaker, which helps prevent corrosion and general wear and tear.

Integrated Epoxy Coated Crossovers

With its second order high/low pass system, you’re ensured the right frequencies reach the right speakers in your setup for optimal system blending regardless of the vehicle you’re in or the elements you encounter.

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Additional Information

Height 0
Length 0
Taxable Yes
Width 0
Manufacturer Polk
Brand Polk
Model MM652
Manufacturer Part Number MM652
Color Black
Condition New
Product Type Speaker
Warranty 1 Year
Manufacturer Warranty Yes
Speaker Size 6.5''
Vendor A1 Telecom
Type default
Manufact. SKU Polk MM652
Manufacturer Polk
Custom SKU Polk MM652