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XS-MP1621 | 6.5 in (16 cm) 2-Way Coaxial Marine Speakers
$149.99
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$149.99
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- Enjoy powerful sound with 45 W power handling
- 6.5 in (16.5 cm) 2-way speaker design
- Hear rich bass and clear vocals with a rigid woofer cone structure
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- This product is also known as XSMP1621.
© 2011 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Sony the respective logos are trademarks of Sony. All other trademarks are trademarks of their respective owners. Features and specifications are subject to change without notice.
Are the Sony XS-MP1621 speakers suitable for marine use?
Yes. The XS-MP1621 are 6.5 in (16 cm) 2-way coaxial marine speakers designed for boats and outdoor environments, featuring IPX5 water resistance along with UV- and salt-resistant construction for durability in harsh conditions.
What size are the XS-MP1621 speakers?
They are 6.5 in (16 cm) 2-way coaxial marine speakers, using a full-range coaxial design that combines a woofer and tweeter in a single unit.
How much power can the XS-MP1621 handle?
Sony lists 45 W power handling for the XS-MP1621, and the speakers are rated at 4 Ω impedance with 91 dB sensitivity.
What kind of sound performance do the XS-MP1621 speakers deliver?
They provide powerful sound with rich bass and clear vocals, thanks to a rigid woofer cone structure and a wide frequency response of 45–20,000 Hz.
What materials are used in the XS-MP1621 speaker components?
The woofer uses a polypropylene cone with a rubber surround, which rejects UV and moisture, while the tweeter uses a PEI diaphragm — both chosen for durability in marine environments.
Can the grille on the XS-MP1621 be removed or painted?
Yes. The grille is removable and can be painted, which can be useful for matching your boat or vehicle interior style.
What is the mounting depth for installing the XS-MP1621?
The XS-MP1621 has a mounting depth of about 2.4–2.5 in (roughly 60–63 mm), with a compact design intended for easy installation on boats and open-air vehicles.
How much do the Sony XS-MP1621 marine speakers cost?
MSRP is listed as $149.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.
*FAQ generated on 07/23/2026. Financing, pricing and promotions may no longer apply.