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Built for serious output in an open-air powersports environment, this custom 4th order bandpass enclosure is designed to hit hard, stay controlled, and look as good as it sounds. The enclosure uses a compact sealed chamber feeding into a larger ported chamber, giving the subwoofer strong motor control while adding the extra output needed for a loud side-by-side or off-road audio build.
The enclosure is finished in a rugged black textured coating for durability and a clean custom look. The front acrylic window shows off the subwoofer while the exposed hardware and black trim give it a high-end, aggressive finish.
This box is tuned around 48 Hz, making it ideal for loud, punchy bass that cuts through wind, engine noise, exhaust, and open-cab riding conditions.
| Spec | Result |
|---|---|
| Sealed Chamber | 0.37 ft3 net |
| Ported Chamber | 1,203 ft3 net |
| Chamber Ratio | 3.25:1 |
| Port Size | 2.25" x 9" |
| Port Length | 15.75" |
| Tuning | About 48 Hz |
Open-air bass performance
UTV and side-by-side audio systems
High-output daily riding
Clean custom show-quality installs
Punchy bass that carries outdoors
Custom etching is available. Please send a note when you place your order. I will reach out for your design request.
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.

