Sony XS-MP1621

320W Peak (90W RMS) 6.5" 2-Way Coaxial Marine Speakers

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• 160W Max
• 70W RMS
• 2-Way Coaxial
• 4 ohms Impedance
• Polypropylene Cone Material
• Butyl Rubber Surround
• 1-1/8" Tweeter

Learn more about the xsmp1621
Was $219.95 Details
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/pair  with warranty

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General Features:

  • 6-1/2" 2-Way Marine Speakers
  • Power Handling:
    • Peak: 320 watts per pair / 160 watts each
    • Rated: 90 watts per pair / 45 watts each
  • Recommended power range: 5 - 45 watts RMS per channel (Rated Power)
  • Polypropylene cone material
  • Butyl Rubber speaker surround
  • 1-1/8" high frequency tweeter
  • Water-resistant materials prevent weather damage
  • 4 ohms impedance
  • CEA-2031 compliant speakers
  • High-temperature voice coil
  • Ferrite magnet motor structure
  • Plastic protective magnet cover
  • Spade terminal connections for easy hook up
  • Frequency response: 35-26,000 Hz
  • Top-mount depth: 2-1/2"
  • Sensitivity: 91dB
  • 1-year Manufacturer's Warranty

Priced Per Pair

Product history:

Sony XS-MP1621 thumbnail
(newest, current model)
Sony XS-MP1620W thumbnail
(previous model, replaced by Sony XS-MP1621)

Specifications & Details

Speaker Specifications
Priced Per
Speaker Size
2-way Coaxial
Tweeter Design
Tweeter Composition
Not specified by manufacturer
Woofer Composition
Woofer Surround
Butyl Rubber
Peak Power Handling
160 watts
RMS Power Handling
45 watts
91 dB
Frequency Response
35 - 26000 Hz
Impedance (Per Voice Coil)
4 ohms
Top-Mount Depth (Mounting Depth)
Bottom-Mount Depth
Cutout Dimensions
4-15/16" x 4-15/16" 
Number of Speakers
General specifications
Speaker Grilles
Marine Certified
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:




Internal SKU:


Internal Product ID:


Customer Ratings & Reviews

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Customer Reviews

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Good Value & exceptional sound

These were replacement speakers for some older Sony speakers. They have excellent sound and fit perfectly in the existing cutouts for the old ones.

By Rickboat on July 7, 2014


found this helpful.

Great deal

sound really great and for the price can't complain, plays great for rock and pop, very good bass, would absolutely buy again. sounds like i have an amp pushing them!

By Bert on April 24, 2014


found this helpful.

good speaker

Loud, good sound quality for the money. Look great too.

By Stone on January 27, 2015


found this helpful.

Right size and bolt pattern

I used these speakers to replace my 4 year old Sony 1610's that called it quits. I thought about switching to JBL, but I didn't feel like drilling new mounting holes. Also, the Sony speakers come with caps to cover the mounting holes. I'm not sure why JBL and other brands don't have them b/c it's definitely a cleaner look. They fit the existing holes and sound good. The real test will be how long they last. I was not impressed with the life expectancy of my past Sony speakers, so I hope these are an improvement.

By Rob on December 11, 2014


found this helpful.

Good setup

After hooking these to a marine 4ch amp I was very impressed. They have a good weight to them (big magnets) and clear highs and even put out a lot more bass than I'd have guessed. You should use an amp to drive these a headunit alone will work, but it's night and day. They put my 1990 OEM speakers to shame. Well worth the cost. I also like the white cone and cover, as most boats are white.

By Josh on February 3, 2014


found this helpful.

Marine Speakers, paired

My boat came with only two speakers mounted aft, now the bow has a pair. These are very nice looking and they sound great

By mrmspado on February 23, 2014


found this helpful.

Excellent Speakers

Very good quality. Boat use in AZ, and the heat kills the cones on normal ones. These look like they should last a lot longer. Sound great. Got a package with amplifier that was almost $100 cheaper than anyone else.
Cons....the holes didn't line up, and needed a little customization. Could be the boat's fault. You would think they would all be standard size, with same holes. All in all a great value!


By Graham on October 19, 2015


found this helpful.

Good speakers for a stock 25W head unit

My boat had a set of older Sony speakers and after 7 years needed replaced. I upgraded to these co-axial speakers and they proved to be a good investment. Bass is pretty good and the mids and highs are crisp. Mounted to the same holes, all 4 speakers mounted and working in 20 minutes.

By Sandycrack on June 25, 2016


found this helpful.


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XS-MP1621 small

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Price: $138.00

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