Matrix mode: Turn on Matrix mode to create 5.1 surround sound from 2-channel stereo sound sources such as music or legacy games. Music Matrix mode delivers a natural audio profile, while Gaming Matrix mode boosts the subwoofer and rear satellites for a more intense gaming experience.
FDD2™ sound technology: FDD2 technology produces a uniform soundfield anywhere in the room. FDD2 eliminates the hot spots and uneven response of conventional dual-driver design.
High-performance audio: 155 watts of total RMS power.

Technical Specifications : 

Total RMS power: 155 watts RMS

Satellites:  20 watts RMS x 4 (into 8 ohms, @ 1 kHz, @ 10% THD)

Centre channel:  19 watts RMS (into 8 ohms, @ 1 KHz, @ 10% THD)

Subwoofer:  56 watts RMS (into 2 ohms, @ 100 Hz, @ 10% THD)

Total peak power: 310 watts

Frequency response: 36 Hz - 20 KHz

Subwoofer crossover frequency: 150 Hz