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The 6000 series 18 employs a finely-tuned balance of damping and extensive motor force to achieve very high efficiency, offering exceptional versatility and unmatched performance in a variety of real-world functions.
Dual 1ohm
Fs 35.33 Hz
Qms 7.707
Vas 41.02 liters
Cms 0.025 mm/N
Mms 827.1 g
Rms 23.38 kg/s
Dia 370 mm
Sd 1075 sq cm
Qes 0.658
Re 1.842 ohms
Le 1.929 mH
BL 22.68 Tm
Qts 0.606
no 0.265 %
SPL 86.38 dB
EBP 53.69
Dual 2ohm
Fs 29.78 Hz
Qms 5.314
Vas 69.09 liters
Cms 0.041 mm/N
Mms 691.2 g
Rms 24.53 kg/s
Dia 371 mm
Sd 1080 sq cm
Qes 0.669
Re 3.881 ohms
Le 2.618 mH
BL 27.39 Tm
Qts 0.594
no 0.263 %
SPL 86.35 dB
EBP 44.51
XMax 23.5mm
Nominal Diameter 18in
Overall Diameter 18.11in / 460mm
Mounting Hole Diameter 16.77in / 426mm
Motor Outer Diameter 11.02in / 280mm
Mounting Depth 12.08in / 307mm
Required Pole Vent Clearance
Driver Displacement cu ft / l
Minimum Sealed Volume N/A
Vented Volume 2.4 - 6.4cu.ft. Net
* Tune for desired response
Vehicle body style specific enclosure designs coming soon
The above designs have been engineered for a particular vehicle body style. The cabin acoustics of a sedan, hatchback and an SUV were part of the formula to ensures a linear response and optimal power handling for listening purposes under most circumstances. Please visit our Enclosure Design Service page for one off custom designs.
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.

