The superb audio performance and outstanding durability of Alpine's new Marine product line is based on over 30 years experience in the car audio industry. Inside the boat and/or in the cockpit: Alpine's Marine SPS-M601 6.5" 2-Way Coaxial Speaker Systems efficiently implement the output power of Alpine's Marine Head units. The SPS-M601 combines superb audio performance with outstanding durability suitable for marine application.


SPS-M601 – the Audiophile Experience on the Waves

There is no substitute for a premium marine ready speaker in a wet environment! Alpine's SPS-M601 6.5" 2-way coaxial speakers are specifically designed to add the ultimate listening pleasure to every maritime cruise. Designed for high power handling, these speakers are ready to embark on an expedition into great sound.

Equipped with PEI balanced dome tweeter and Poly/Mica Woofer Cone the SPS-M601 Type-S speakers deliver crisp highs and nicely balanced mid/bass performance. Their Centrex 813-coated grilles and high-strength, non-resonant, high-temperature ABS frames provide hard-wearing durability and UV protection against yellowing. To offer a high quality frequency response and to ensure excellent resistance against moisture, oil, heat, and chemicals the SPS-M601 are Santoprene™ surrounded. All Alpine Marine Speakers offer excellent protection from outdoor environment conditions.


Built strong for long durability

These speakers are built to last – due to their durable construction using the latest marine-rated materials. Go Open Air Both the subwoofer and coaxial speakers are engineered to work optimally in an infinite baffle configuration, so best sound performance can be achieved, without the need for an enclosure.


Marine – Ready

Ready for the big splash: Due to their ATSM proven Salt/Fog and UV Marine specification and their NEMA rated water resistance on level 5 all Alpine Marine Speakers exceedingly resist the challenges of the marine environment.


Perfect Amp-Speaker Matching

All Marine Speakers are engineered to work with the PDX Marine Amplifiers for highest system building capability. To ensure the best possible sound quality their audio characteristics also match perfectly.


Designed for Clean Installation with Maximum Water Resistance

Hidden-screw grille design and supplied waterproof rubber mounting gasket allow for clean and leak-free installation. All parts – including the speaker connections – are saltwater corrosion resistant. SPS-M601 is also equipped with magnetic shielding to avoid interference from other marine electronic devices, which allows its installation anywhere on the boat.



Feature Summary:

• 6-1/2" 2-Way Type-S Marine Coaxial Speakers.
• Power Handling:
Peak: 220 watts per pair / 110 watts each,
RMS: 70 watts per pair / 35 watts each,
Recommended Power Range: 10 - 35 watts RMS each.
• Poly-Mica Woofer Cone.
• Santoprene surround.
• Centrex 813-coated grilles included.
• UV protected, high-strength, non-resonant, high-temperature ABS frame.
• 7/8" titanium/PEI balanced-dome tweeter.
• 4 ohms impedance.
• Frequency Response: 60Hz - 22kHz.
• Sensitivity: 89 dB