Alpine SPR-M700

7" 2-way marine speakers

  • Alpine SPR-M700


  • Alpine SPR-M700

  • Alpine SPR-M700



Our take on the Alpine SPR-M700

by Leigh Schoettinger
Alpine Authorized Online Dealer

You need a good pair of speakers on a boat to cut through the noise of the wind, waves, and motor. Utilizing a tested design, Alpine's SPR-M700 7" marine speakers add vibrancy and detail to all your music.

Alpine equips its speakers for high power handling, so they'll play your music loud and clear. The stiff 7" polymica woofers won't falter as they broadcast powerful, accurate bass, and the titanium dome tweeters supply plenty of high-frequency detail. You can swivel the tweeters to direct the high frequencies toward your listening area. The built-in crossovers deliver the appropriate frequencies to the tweeters and woofers for optimal performance.

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Alpine knows what makes great marine speakers, so they constructed the SPR-M700 speakers to withstand the grueling environmental conditions of life on the water. The speakers sport silver UV-resistant grilles and high-temperature custom frames to withstand direct exposure to the sun, while Santoprene rubber surrounds resist damage from moisture, heat, and motor oil. Your speakers won't turn yellow or lose any musical zip.


  • 7" 2-way marine speakers (pair)
  • polymica woofer with Santoprene rubber surround
  • 1" swiveling, titanium dome tweeter
  • built-in tweeter protection
  • built-in 12 dB/6 dB crossover network
  • UV-resistant silver grilles and high-temperature ABS custom frames
  • power range: 2-50 watts RMS (150 watts peak power)
  • frequency response: 45-22,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 3-11/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Priced per pair

Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Design 2-way
Tweeter Design Dome
Tweeter Composition Titanium
Woofer Composition Poly-mica
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity 90 dB
Frequency Response 45 - 22k Hz
RMS Power Range (Watts) 2-50
Peak Power Handling (Watts) 150
Impedance (Ohms) 4
Top-mount Depth (Inches) 3 11/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 6 7/16
Product Research
What's in the box?

Download owner's manual

  • 2 Coaxial marine speakers
  • 2 Trim rings
  • Two 10' Lengths of speaker wire (each has female quick-slides on one end and bare wire on the other)
  • 12 Mounting screws
  • 12 Speed clips
  • Cutout template (on box)
  • Customer care registration form
  • Warranty information

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.


Woofers: Each speaker has a 7" poly-mica woofer cone and Santoprene rubber surround to handle the marine environment.

Tweeters: Each speaker uses a 1" titanium dome tweeter. The tweeter swivels so you can direct the high frequencies toward the listeners, optimizing the image. A built-in circuit helps protect the tweeter from being overdriven.

Grille/Basket: Centrex 813-coated grilles and high-strength, non-resonant, high-temperature ABS frames provide durability in fresh or salt water, and UV protection against yellowing. The grilles are not removable. A removable trim ring covers the mounting screws.

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Alpine SPR-M700 Reviews

Average Customer Review:

8 people say:

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4 out of 5

amazing sound!

Written By Jayme, ND on Monday, August 04, 2014
Crutchfield Customer Review (What's this?)
I built a little bench in between my back seats of the boat to fit these. I turned on the deck and immediately impressed! The highs are nice and clear and the bass is really impressive for a 7" speaker. My wife can hear me coming to our camping spot a from ways away. So far I just have 2 of these powered by a JBL 20 wart RMS deck. Planning on an amp and 2 more next year to be making waves in the lake from these impressive speakers.
Small size with big sound
None so far
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5 out of 5

Best Speakers Hands Down

Written By Icy beats, Des Moines, Ia on Thursday, July 11, 2013
I bought a pair of these a year ago for my boat. These speakers made me th DJ of party cove lol. My system will over sound anyone else's on the water. Cannot believe the sound and how loud they can get.
Sound quality at high volume Ability to hear at a distance clear ( off the boat and in the water many boats away) Cost
Haven't found any yet!
1 out of 1 people found this helpful
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5 out of 5


Written By Pk, Gilbert, AZ on Saturday, June 01, 2013
Crutchfield Customer Review (What's this?)
Awesome boat speakers. Great sound for the money. Alpine makes solid products.
Great sound
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3 out of 5

K. M

Written By Liz, Charleston, SC on Monday, May 27, 2013
Crutchfield Customer Review (What's this?)
Appear to be well made speakers. Good clear sound. Cannot be turned up too loud or will start popping (with Sony XM604 amp).
Well made. Clear sound
Limited volume
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5 out of 5

Alpine SPR-M700

Written By JP, Rochester, NY on Friday, August 31, 2012
Installed these on J35c sailboat and had great results!! Excellent sound and bass!
2 out of 2 people found this helpful
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5 out of 5

Alpine SPR-M700

Written By David, Ga on Thursday, September 02, 2010
Crutchfield Customer Review (What's this?)
These speakers are well worth the money. Perfect for marine environment and that shows as soon as you take them out of the box. The sound is AWESOME. If you are considering these, GET THEM. I promise you won't be disappointed.
4 out of 4 people found this helpful
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5 out of 5

Alpine Marine

Written By hawaiiboyy, Phoenix, AZ on Monday, June 14, 2010
Crutchfield Customer Review (What's this?)
WOW!!! one of the best sounding marine speakers I have installed in my boat! A must if you can't fit a large speaker sound system in your boat!
3 out of 3 people found this helpful
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5 out of 5

Alpine SPR-M700

Written By Patrick, USA on Thursday, August 07, 2008
These speakers are incredible. People think we have a subwoofer in our boat because the bass is so powerful. They blow away our 8" pioneers in the highs and lows. I am running these speakers and JL marine tweeters with a CDE-9845 receiver and no amp. A+++++
45 out of 49 people found this helpful
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1 question already asked

I am in the market to replace the 6.5" speakers currently in my boat. Will the installation of the 7" Alpine SPR-M700 require additional cutting for the larger 7" opening? Any feedback is appreciated. Regards... [ Frankie  May 04, 2014 ]
1 answer
  • For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to give you the details on if this will fit and what you will need for an installation in your boat. [ Krissy Staff  May 05, 2014 ]

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For a more in-depth review and enhanced detailed information on the Alpine SPR-M700, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_500SPRM700/Alpine-SPR-M700.html ).