Not seen these before, look very nice and good spec:
* 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.
* High-performance audio: 155 watts of total RMS power.
Satellites: 20 watts RMS x 4 (into 8 ohms, @ 1 kHz, @ 10% THD)
Center channel: 19 watts RMS (into 8 ohms, @ 1 KHz, @ 10% THD)
Subwoofer: 56 watts RMS (into 2 ohms, @ 100 Hz, @ 10% THD)
These speakers range from £90 to £150 elsewhere.