M10D-S ARC SW | Dual 10" Sealed Subwoofer Enclosure | Built for Arc Audio SW10 Dual 10" Sealed enclosure

No. This is an enclosure-only product designed for customers who already own or are separately purchasing two Arc Audio SW10s. Both drivers must be the same voice coil variant, either two SW10-D2s or two SW10-D4s, and must be wired in-phase. The enclosure ships pre-wired with a single Proline X terminal cup connected internally to both driver positions, 8/32 threaded inserts and stainless machine screws for both drivers, pre-installed polyfill, and rubber feet for downfiring installation.

Common-chamber dual designs are the correct engineering approach for two same-signal, in-phase subwoofers. Both SW10s share a single continuous 1.2 cubic foot airspace with no dividing wall between them. Two drivers sharing 1.2 cubic feet load acoustically equivalent to a single driver in 0.60 cubic feet, which is Arc Audio's published per-driver optimum. The ratio of cone displacement to airspace stays the same, and both drivers see identical acoustic conditions. A physically divided dual chamber would produce identical acoustic behavior at higher construction complexity and lower structural rigidity. The common chamber is simpler, stronger, and acoustically equivalent. Structural bracing is integrated into the panel layering to maintain internal rigidity without segmenting the acoustic volume. All Proline X Micro Series dual enclosures use this design.

Acoustic loading is determined by the ratio of cone displacement to available airspace, not by the absolute volume alone. A single SW10 in 0.60 cubic feet has one cone displacing air into 0.60 cubic feet. Two SW10s in 1.2 cubic feet have two cones displacing air into 1.2 cubic feet, which is exactly twice the displacement into exactly twice the volume. The ratio is identical. Each driver sees the same effective air spring behind its cone that a single SW10 would see in 0.60 cubic feet. This is why 1.2 cubic feet total is the correct airspace for two SW10s to hit Arc Audio's per-driver published target. The math works out to Arc's 0.60 cu ft optimum on both drivers simultaneously.

No. The math customers typically run is: external dimensions of 34" × 14.5" × 7.5" minus 3/4" walls on all six sides leaves an assumed internal cavity of 32.5" × 13" × 6", which works out to roughly 1.47 cubic feet, about 0.27 cu ft larger than the listed 1.2. That math is incorrect for four reasons. First, the front baffle is a double-layer stack-fab build at 1.5 inches thick, not 3/4" (twice the assumed wall thickness on the highest-stress panel). Second, viewed from above, all four corners are radiused at 3 inches. The radii break up parallel-wall standing wave geometry, produce a finished shape that fits cleanly against vehicle interior surfaces, and remove measurable internal volume from the apparent rectangular cavity. Third, the area directly behind each driver's magnet is precision-milled to allow fine volume adjustment and, more importantly, to maintain open area immediately behind the SW10's pole vent so backpressure does not interfere with voice coil cooling airflow. Fourth, both drivers displace internal airspace once installed. Our engineering approach is built on precision. Every CNC-cut layer's individual opening is calculated and summed to arrive at the actual net airspace. No one else in this industry calculates net volume this way. The 1.2 cubic foot figure is exact, not approximate.

Each Arc Audio SW10 is rated at 350 watts RMS for a combined system rating of 700 watts RMS. Target a monoblock delivering 600 to 700 watts RMS at your final load impedance. For two SW10-D2s wired with each driver in series (4 ohms per driver) then both drivers in parallel (2 ohms final), a standard 2-ohm-stable monoblock in this power range is the correct pairing. For two SW10-D4s wired with each driver in parallel (2 ohms per driver) then both drivers in series (4 ohms final), a 4-ohm monoblock delivering full rated power at 4 ohms is required. Do not significantly exceed 700 watts RMS combined. The SW10's thermal capacity is defined by the driver's design.

Yes. Both drivers in this enclosure must be either two SW10-D2s or two SW10-D4s. Mixing variants creates unequal impedance loading and unequal excursion between the two drivers, which produces uneven acoustic output and can damage one or both drivers over time. The dual driver configuration only works correctly when both drivers are identical and wired in-phase.

In a common-chamber dual enclosure, both drivers are moving into and out of the same shared airspace. If both drivers move in the same direction at the same time (in-phase), they compress and rarefy the shared air simultaneously, producing constructive acoustic output. If one driver moves inward while the other moves outward (reverse-phase), the air movement cancels itself out within the shared chamber, producing destructive interference and near-zero acoustic output at low frequencies. In-phase wiring means the positive terminal of the amplifier connects to the positive terminals of both drivers through the internal wiring loom. Both drivers move in the same direction at the same time. This is not optional in a common-chamber design.

Yes, and it is particularly effective at this footprint. Rubber feet for downfiring are included with the enclosure. At 34 inches wide, downfiring couples both SW10s to the vehicle floor across the full width of the enclosure, distributing bass energy evenly across the cabin rather than concentrating it at a single point-source location. In full-size crew cab trucks with the enclosure running the full width of the cab floor behind the seats, downfire orientation produces excellent floor coupling and even bass distribution across the driver and passenger positions.