when you buy Sonos products. Plus free shipping.

See the offer ›

MartinLogan - Dynamo 500 10" 360-Watt Powered Subwoofer - Black

Learn more about Magnolia Premium Installation This powerful subwoofer delivers a combination of bass extension, power and detail within a high-density cabinet with dual rear-mounted low-turbulence ports.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

Free Shipping on Orders $35 and Up

No minimum for My Best Buy® Elite and Elite Plus members. Minimum purchase of $35 on eligible products required. Excludes select digital items, scheduled delivery items and items displaying "In Store Only" message.Learn more

Open-Box from
Build a Bundle

    Ratings & Reviews

    Overall Customer Rating:
    91% of customers would recommend this product to a friend (113 out of 124)

    (99 Reviews)
    (14 Reviews)
    (5 Reviews)
    (3 Reviews)
    (3 Reviews)

    Product Features

    10" powered subwoofer

    Delivers authoritative bass for high-impact home theater audio.

    Built-in amplifier

    Supplies 120 watts RMS (continuous) and up to 360 watts of peak power.

    10" polypropylene cone driver

    Ensures low distortion and powerful sound.


    Include stereo left/right and home theater LFE.

    Dual rear-mounted low-turbulence ports

    Maximize bass output while minimizing port-induced distortions.

    29Hz - 200Hz frequency response

    For faithful sound reproduction.

    Product images, including color, may differ from actual product appearance.