ESP 3515

The 3500s are some of our most sonically accurate sub-drivers. This accuracy comes from a low moving mass, ultra-high energy design that uses a crazy strong motor combined with long gap/long coil topology, that you’ll find on our legendary 9500 and 9900 subwoofers.


ESP 3515

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Please Note

Once your order has been placed, your order will take roughly 4 weeks to arrive. This is due to the fact that this is item is built to order.


Like their big brothers, the 3500 Series subs come with V-ROM surrounds, multi-layer spiders, 800-degree thermoset voice coils, and cast aluminum frames. All of these features combine to make the 3500 Series a brutally musical addition to our USA built lineup.

The 3500 Series features our Evolution Subwoofer Package (ESP). ESP equipped drivers sport a deeper frame than standard subs and an exclusive surround and cone designs. ESP subs are truly built to maximize performance in their designated size class.


Speaker Size (In): 15
Watts RMS: 600 – 1200
Watts Peak: 4800
Impedance: D1 / D2
VCD (In): 3
Piston Diameter (In): 14 1/4
Fs (Hz): 41
Qms: 7.1
Qes: 1
Qts: 0.88
Vas (Liters): 56.86
Xmech (MM): 62
Xmax (MM): 17.5
Frame OD (In): 16 5/8
Frame OD w/ Gasket (In): 16 3/4
Mounting Diameter (In): 15 3/16
Mounting Depth (In): 5 9/8
Motor Diameter (In): 7 9/16
Motor Depth (In): 3 1/2
Woofer Displacement (CuFt): 0.29
Ported Enclosure (CuFt): 3.0 – 6.0
Shipping Weight (Lbs): 43

Please note:

Actual product appearance may differ from what is shown in the pictures above. Images shown refer to the 12″ model of this driver series.

Free Postage on all orders!