Check the listing for details. DXR12mkII 12" Powered Speaker. Condition: Open box. Listed at 773.89 USD. The most compact of the DXR mkII Series speakers, the DXR12mkII makes the most of its 1100W of power, delivering extremely high output while maintaining outstanding resolution. Adding a DXS12mkII subwoofer gives you an ultra-compact high-power SR system.High-Efficiency 1100W Class-D AmplifiersCompact, High-Power DXR mkII Amp Modules: All DXR mkII Series speakers are equipped with highly efficient Class-D amplifiers that were optimally designed to match the DXRmkII's HF and LF transducers. These high-performance amplifiers deliver the highest sound output in their class with 1100W of power, producing an impressive SPL up to 134dB. They also provide very fast attack and superior transient response, which greatly contribute to these speakers' incredible audio performance. Universal.