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

**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

## Details

- **Price:** 359.99 USD
- **Type:** Subwoofers
- **Tags:** Brand_Roswell Marine, Clearance, Entertainment, Entertainment | Subwoofers, Specials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 359.99 USD | In stock |

## Images

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

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> Source: [Besafe1st](https://besafe1st.com/products/roswell-rma-10-subwoofer-black-250w-rms-500w-peak-power-c920-1801)
> Updated: 2026-05-21