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    • Roswell RMA 10 Subwoofer  Black  250W RMS  500W Peak Power C9201801
    • Roswell RMA 10 Subwoofer  Black  250W RMS  500W Peak Power C9201801
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    Roswell RMA 10" Subwoofer - Black - 250W RMS 500W Peak Power [C920-1801]

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    Sale Price $215.99 Regular Price $450.00
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    RMA 10" Subwoofer - Black - 250W RMS & 500W Peak Power

    The RMA 10" marine subwoofers have a truly versatile design that will outperform in an infinite baffle configuration as well as being suited for sealed and ported enclosures. This sub will handle 250-watt RMS and have excellent low-end extension.

    All of this is packed into durable marine-grade plastic housings that need just over 5" of mounting depth, giving you ample placement possibilities. Pairs perfectly with the R1 1000.1 marine amplifier.

    Features:

    • Custom-machined wire terminals allow for rock-solid wire connections
    • Klippel® tested and certified to guarantee acoustic performance    
    • Klippel® optimizes motor structure for maximum power handling and sound quality 
    • Extreme salt and UV resistance

    Specifications:

    • Color: Black
    • Continuous Power (RMS): 250 Watts
    • Peak Power (RMS): 500 Watts
    • Sensitivity: 88dB @ 1W/1M
    • Frequency Response (+ / - 3 dB): 35Hz - 300kHz
    • Impedance Ω: 4Ω

    Dimensions:

    • Nominal Diameter: 10 in. I 25.4 cm
    • Overall Diameter: 10.85 in. | 27.5 cm
    • Basket Diameter: 9.25 in. | 23.5 cm
    • Mounting Depth: 5.08 in. 12.9 cm
    • Total Depth: 7.02 in. 17.8 cm

    Specifications:

    • Cutout Size: 9.25"
    • QTY: Single
    • Watts Max: 500w
    • Watts RMS: 250w
    • Size: 10"
    • Box Dimensions: 9"H x 13"W x 13"L WT: 11.85 lbs
    • UPC: 066066018007
    Product Specifications
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    Documents
    User Manual Download
    Specification Sheet Download
    Safety Guide Download
    Service & Support

    Warranty

    This product is backed by a 12-month limited warranty, covering defects in materials and workmanship under normal use.

    Technical Assistance

    Our dedicated support team is available to assist with product setup, operation guidance, and troubleshooting. Contact us via email or phone for prompt service.

    Documentation & Downloads

    Access essential resources including the user manual, technical specifications, and safety instructions in our online support center.

    Replacement Parts & Accessories

    We offer a full range of genuine replacement parts, including batteries, chargers, and compatible accessories to ensure long-term performance.

    Training & Tutorials

    Browse our library of how-to videos and maintenance tips to get the most out of your cordless drill.

    FAQs

    Find quick answers to common questions

    Product & Usage

    1. Is your gear authentic and warranty-backed?

    Yes — we are an authorized US dealer for 300+ marine electronics brands. Every order ships with the manufacturer’s full warranty.

    2. Are these products beginner-friendly?

    Yes. Our products are designed for both seasoned boaters and first-time owners. Each unit ships with a manufacturer manual, and we’re happy to answer setup questions over email.

    3. Are these products built for marine conditions?

    Yes. Marine electronics are engineered for saltwater spray, vibration, and weather. Check the product specs for IPX waterproof rating and saltwater certifications.

    Maintenance & Accessories

    1. What maintenance does marine electronics require?

    Rinse with fresh water after saltwater exposure, store in a dry place, and follow your manufacturer’s cleaning and storage instructions.

    2. Can I buy replacement parts and accessories separately?

    Yes — we carry replacement parts, mounts, transducers, cables, and accessories for the brands we stock.

    3. Do you provide product manuals or installation guides?

    Every product ships with the original manufacturer’s manual. Digital copies and detailed installation guides are typically available on the brand’s website.

    Warranty & Guarantee

    1. Does my purchase include a warranty?

    Yes — every order includes the full manufacturer warranty. Coverage length varies by brand (typically 1–3 years for Garmin, Lowrance, Raymarine, Simrad, Humminbird, Furuno, and others).

    2. How do I register for warranty coverage?

    Register directly with the manufacturer using your unit’s serial number. Manufacturer registration is the fastest path to warranty support if you ever need it.

    3. What does the manufacturer warranty cover?

    Defects in materials and workmanship under normal use. Damage from impact, improper installation, or saltwater corrosion (without protection) may be excluded. Check brand-specific terms in your unit’s documentation.

    4. Can I extend the warranty?

    Some manufacturers offer extended-coverage programs through their registration portals. We don’t sell third-party warranty programs.

    Purchasing & Support

    1. How fast does my order ship?

    Orders placed before 4pm EST Monday–Friday ship the same business day via UPS from our NJ or FL warehouses. Continental US delivery typically takes 3–7 business days for Economy.

    2. Do you offer bulk or fleet pricing?

    Yes — we offer volume pricing for fleet operators, marinas, dealers, and commercial customers. Email support@marineelectronicsdepot.com with your needs.

    3. How can I contact support?

    Email support@marineelectronicsdepot.com or call during business hours (Mon–Fri 9am–5pm ET). We’re happy to help with pre-purchase questions, order status, or post-sale support.

    Can’t find your answer?

    Feel free to reach out to us!

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