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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
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.




