OnCore XW15D2/D4

If you’re looking for a subwoofer that not only plays loudly but also maintains control and precision at extreme volume levels, the OnCore XW15 is the perfect solution. Designed for discerning car audio enthusiasts, this 15-inch long-throw subwoofer combines enormous power handling with impressive bass depth and clean transient response. The XW series features high-quality components and a design consistently optimized for performance.

 
Thanks to its powerful drive system, the large-diameter aluminum flat-wire voice coil, and the exceptionally rigid paper cone, the XW15 produces precise and controlled bass even at high excursion levels. The solid cast aluminum basket ensures maximum stability, while the sophisticated motor structure minimizes distortion and increases efficiency.

 
With a linear excursion of ±23 mm, the XW15 moves enormous volumes of air and delivers impressive low-frequency performance down to the deepest frequency ranges. Whether for sound-oriented music systems or high-performance bass setups, this subwoofer impresses with a combination of impact, depth, and musical precision.

 
The XW15 is suitable for both sealed and bass-reflex enclosures, offering maximum flexibility in system design. The XW15D2 (2+2 ohms) and XW15D4 (4+4 ohms) models allow for optimal adaptation to different amplifier configurations.

Highlights:

• 15-inch (38 cm) High-End Long-Throat Subwoofer
• Available as either a dual 2-ohm (XW15D2) or dual 4-ohm (XW15D4) model
• Power handling capacity up to 1,500 watts RMS
• Extremely high linear stroke of ±23 mm
• A stiff, lightweight paper cone for precise bass reproduction
• Sturdy cast aluminum basket for maximum stability
• FEA-optimized motor system with low distortion
• Suitable for sealed and bass-reflex enclosures
• Ideal for SQL and high-output applications
• Outer diameter: 41.6 cm (effective diaphragm area SD: 945 cm²)
• Installation diameter: 35.6 cm
• Installation depth: 22.4 cm
• Total height, including grille: 28.1 cm + 1–2 cm for the pole core bore
• Xmax +/- 23 mm voice coil overhang
• Recommended power: 700–1500 W
• Tank: closed, 70–100 liters net

Who is the XW15 designed for?

The OnCore XW15 is designed for ambitious car audio enthusiasts who expect both deep, powerful bass and high sound quality. Whether you're working on an SQ, SQL, or volume project, this subwoofer delivers the power needed for uncompromising bass performance.