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15" Down-Firing Marine 70V Subwoofer

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One of many available options in the EMB II Subwoofer series features a very contemporary down-firing cabinet design and a size that isn’t obtrusive. Built from solid aluminum and powder coated to a fine finish, the exquisite craftsmanship of this powerful subwoofer exudes luxury and performance. The EMB15DFM is built tough to withstand extreme weather, protecting components with sealed aircraft aluminum enclosures, powder coating, aluminum constructed domes, rubber surrounds and marine grade hardware.

Internally, the EMB15DFM4 utilizes a sealed design with a James 15” high excursion woofer with a patented dual gap magnet motor for high output and low distortion. An aluminum cone, Santoprene™ half-roll surround and cast aluminum frame ensure the system is ready for outdoor and marine applications. The EMB15DFM subwoofer has been tuned to perform beyond 35Hz, (which is predominantly where most recorded bass frequencies tend to occur) all the way down to 18Hz!

The 70 volt version of this speaker comes with a 200 watt, all copper, toroidal transformer for low distortion and frequency loss. We recommend pairing this passive sub with our M1000 class D amplifier which provides 1000W of clean power at 70V and features a full DSP digital processor. You can power up to 4 of these powerful subwoofers in 70V mode with a single M1000.

Frequency Response

18-120Hz ± 3dB


92dB 2.83V/1m


70 volts

70V Power

200W Toroidal Transformer


(2) 15" (381mm) Aluminum


Aircraft Marine Grade Aluminum


Satin Black


16 in (406.40 mm)


16.25 in (412.75 mm)


16.25 in (412.75 mm)

Recommended Amplifier

M1000 (Recommended)

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EMB15DFM70 - Available downloads

Title: EMB15DFM4/70 front

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James Loudspeaker Helps Expand Maverick Integration's Outdoor Audio Business

Dennis Jaques of Maverick Integration in Nashua, N.H., explains how the 70V Landscape Series line of speakers from James Loudspeaker enabled the company to expand its outdoor audio business.

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