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The Sonic Excellence 15 was designed to have a smooth and wide bandwidth down to 20Hz at the headrest of your vehicle in as little as a 3cu.ft. sealed enclosure. Adding up to an infinite amount of airspace will extend the -3dB point below 20Hz at the listening position in a vehicle.
Single 4ohm
Fs 20.63 Hz
Qms 8.183
Vas 238.2 liters
Cms 0.262 mm/N
Mms 227.1 g
Rms kg/s
Dia mm
Sd sq cm
Qes 0.5475
Re 4.026 ohms
Le 1.279 mH
Z 64.19 ohms
BL 14.71 Tm
BL^2/Re N^2/W
Qts 0.5132
no %
SPL 87.71 dB
EBP 37.68
Dual 4ohm
Fs 21.2 Hz
Qms 7.56
Vas 226.1 liters
Cms 0.249 mm/N
Mms 226.5 g
Rms kg/s
Dia mm
Sd sq cm
Qes 0.6109
Re 7.201 ohms
Le 1.983 mH
Z 96.32 ohms
BL 18.86 Tm
BL^2/Re N^2/W
Qts 0.5652
no %
SPL 87.37 dB
EBP 34.70
Xmax 12.5mm one-way linear excursion
Nominal Diameter 15in
Overall Diameter 15.2in / 387mm
Mounting Hole Diameter 13.77in / 350mm
Bolt Hole Circle Diameter
Motor Outer Diameter 6.29in / 160mm
Mounting Depth 7.2in / 183mm
Required Pole Vent Clearance
Driver Displacement 0.138 cu ft / 3.897 l
Recommended Sealed Volume 3.0 cu ft to Infinite Baffle
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.




