Small footprint, big sound. Benefiting from many of the technologies of our flagship subs, these sealed subs generate amazing performance in the smallest footprint. Low Q, shallow rolloff response geared for sound quality and smoothly integrating into the listening room. Also, a great choice for using multiple subs to optimize in room response and smooth out seat-to-seat variation. The D15s is the smallest single sub certified THX Dominus available on earth. Powered by our 2.0kW amplifier, all functions and safeties are controlled by a 48-bit data bath DSP and 32-bit ARM M4 Cortex processor, able to react in microseconds, powerful enough to slam. Ground up drivers developed by our team of engineers. Carbon fiber composite diaphragms, multiple aluminum shorting rings, massive magnets, multi-layer Nomex spiders and lightweight aluminum voice coil wire are the key ingredients – Proprietary nonlinear modeling techniques allow us to simulate all these components and then optimize for real world driver performance – free air and in box. Further refinement is done with the aid of Klippel laser measurements to dial things in. All D-Series subs share our 2.4” LCD touchscreen display and ability to control advance settings using our App.