SB 15" SUBWOOFER - DVC | 500W RMS

The Down4Sound SB 15" SUBWOOFER - DVC | 500W RMS is a high-performance subwoofer featuring a 4-inch cone. Rated at 500W RMS. Thiele-Small parameters: Fs=31.067Hz, Qts=0.771. Maximum linear excursion (Xmax): 21mm. Designed for deep bass reproduction and high SPL output.

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Specifications

size

rms power

500 W

rms watts

500 W

Thiele-Small Parameters

Measured at small signal levels per AES standards

Power Handling

P_e(RMS power)

500 W

Physical

D(Nominal size)

Parameters measured per AES2-1984 (r2003) standards. Small-signal parameters valid within linear operating region.

What do Fs, Qts, Vas, and Xmax mean?

Thiele-Small Parameters

Where to Buy

Down 4 Soundcom

Updated 1/27/2026

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Frequently Asked Questions

What is the Down4Sound SB 15" SUBWOOFER - DVC | 500W RMS?

The Down4Sound SB 15" SUBWOOFER - DVC | 500W RMS is a car audio subwoofer made by Down4Sound. View full specifications and where to buy on this page.

How much power can the SB 15" SUBWOOFER - DVC | 500W RMS handle?

The Down4Sound SB 15" SUBWOOFER - DVC | 500W RMS has an RMS power handling of 500 watts. For optimal performance, match it with an amplifier that delivers power within this rating at your target impedance.

Where can I buy the Down4Sound SB 15" SUBWOOFER - DVC | 500W RMS?

You can purchase the Down4Sound SB 15" SUBWOOFER - DVC | 500W RMS from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.