2-way Coaxial Marine Speakers 30W 6.5″ (165mm)


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 / SPS-M601W 16,5 cm 2-Way Coaxial Speaker Systems efficiently implement the output power of Alpine’s Marine Head units. The SPS-M601 / SPS-M601W combines superb audio performance with outstanding durability suitable for marine application.

Silver or White?

Two available colours – silver and white – enable to aesthetically integrate the speakers into a traditional white cruiser or sailing boat as well as into a modern stylish yacht or sportboat.

SPS-M601 / SPS-M601W – the Audiophile Experience on the Waves

There is no substitute for a premium marine ready speaker in a wet environment! Alpine’s SPS-M601 / SPS-M601W 16,5 cm 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 / SPS-M601W 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 hardwearing 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 / SPS-M601W 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 / SPS-M601W is also equipped with magnetic shielding to avoid interference from other marine electronic devices, which allows its installation anywhere on the boat.

Tweeters in Special Marine-Design

The SPR-M700’s titanium dome and the SPS-M601 / SPS-M601W’s PEI balanced tweeters are designed for maximum high range sound projection in the open marine environment.
For optimum sound focus the SPR-M700 tweeter also swivels. Built-in protection keeps them playing volume stable. Both tweeters are fully saltwater corrosion resistant. High-Strength Frames All models have high-strength polypropylene frames resisting UV-light and corrosion while keeping the motor structure aligned for maximum output. Moreover they are tough enough to handle higher levels of vibration on the boat.

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Speakers (Marine)

16.5cm Bass Driver, Coaxial, Nema 5

Technical Specifications:

Type of loudspeaker: 2-way Coaxial Marine Speaker
Drivers: Woofer 6,5″ (165mm) , Tweeter 1″ (25mm) Titanium
Frequency response (+/- 3dB): 50Hz – 20khz
Nominal impedance:
Cone type: Poly-Mica Woofer Cone
Power (RMS): 30W
Power (Peak): 100W
Mounting hole : 127mm
Mounting Depth:  72.1mm
Woofer Diameter: 165.1 mm