Alpine SPS-M601 6.5" Coaxial 2-Way Marine (Silver) Speaker System.

Marine Silver 6.5” Type-S 2-Way Coaxial speakers allow you to enjoy the premium and powerful sound Alpine is renowned for, out on the open water.




Alpine SPS-M601

6.5" Coaxial 2-Way Marine (Silver) Speaker System.

The Alpine SPS-M601 are specifically designed for both fresh and saltwater environments, these IPx5 water-resistant speakers are ready to cut through the wind, waves and motor noise as soon as you are. 7/8" Titanium/PEI balanced-dome tweeters deliver accurate and crisp high-frequency detail whilst the accompanying super-stiff 6.5" poly woofers handle the mid-range frequencies.

On the exterior, these innovative Alpine SPS-M601 Marine-specific speakers represent the highest in environmental resistance. Their sleek non-resonant, high-strength, UV-resistant grilles protect from yellowing; whilst their high-temperature ABS custom frames provide more than enough strength for any kind of mounting required. Santoprene® rubber surrounds offer high fidelity and frequency response performance whilst still providing excellent resistance against moisture, oil, heat and chemicals. Furthermore, they’re tested against fog, salt and blazing sunlight so you can be sure they’ll sound great for many seasons to come.

For added convenience, included is a marine-grade connection loom for a more robust installation.

ATSM B117 Salt/Fog
Climate emulation test that consists of exposure to salt water, humidity and high temperature.

ATSM G154/D4329 UV
High-intensity accelerated weathering test that involves 500 hours of cyclic exposure to high temperature, water mist, humidity and intense UV.

Crossover Network

  • Crossover Type: Built-in Tweeter Protection


  • Frame: High Temp ABS Frame
  • Cone Material: Poly-Mica Woofer Cone
  • Grill Cover Type: Ultra UV (Centrix® 813) Resistant Grill


  • Magnet Material: Neodymium Magnet
  • Application Type / Design Detail: Internal / Fixed Tweeter
  • Tweeter Type: Titanium/PEI Balanced Dome Tweeter


  • Sensitivity: 89dB / W(1m)
  • Impedance: 4 Ω
  • Frequency Response: 50Hz – 20khz


  • Woofer Mounting Depth: 2-27/32”
  • Woofer Mounting Depth: 72.1mm
  • Woofer Mounting Diameter: 5”
  • Woofer Mounting Diameter: 127mm
  • Woofer Diameter: 6-1/2”
  • Woofer Diameter: 165.1mm

Power Handling

  • Power Handling Capacity (Peak): 100 Watts
  • Power Handling Capacity (RMS): 30 Watts
  • CEA-2031 Power Rating: 30 Watts



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