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Elevate your system with the Diamond Audio H124 HEX 12" 4 ohm Dual Voice Coil Subwoofer, engineered for high-output performance and long-term reliability. Drawing from advanced technologies found in the flagship HEX PRO lineup, this 12-inch car audio subwoofer delivers powerful, musical bass with exceptional thermal control and structural strength.
At the core of the H124 is a rugged cast aluminum frame basket paired with a solid core aluminum radial heat sink for superior heat dissipation. Combined with massive 3-inch high-temperature voice coils wound on a treated high-strength aluminum former, this design allows the subwoofer to handle serious power while maintaining stability and efficiency under demanding conditions.
The HEX Series 12" subwoofer features an exotic fiber weave cone reinforced with a specially treated paper backing, delivering fast, accurate bass response with impressive low-frequency extension. The result is tight, punchy impact with refined musical detail across a wide range of genres.
With its 4-ohm dual voice coil configuration, the H124 offers flexible wiring options for optimal amplifier matching in custom car audio builds.
For enthusiasts seeking durable construction, advanced cooling technology, and high-performance 12-inch bass, the Diamond Audio H124 HEX Series subwoofer delivers powerful output and world-class sound quality built to last.
Mounting Diameter: 10.9 " / 278mm Mounting Depth: 7.4 " / 188mm Tech Support:
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.

