These RaceRoom Speaker Brackets are specially designed for attaching Logitech sound systems to the RaceRoom RR3033 and RR3055 game seats. The brackets are suitable for the RaceRoom RR3055 and RR3033 cockpits and compatible with the Logitech Z506 5.1 sound system only.2.1 Speaker System Mounts for Logitech Z323 2.1 The brackets for the two front speakers are mounted directly to the seat frame, while the subwoofer is mounted on a base plate below the seat.5.1 Speaker System Mounts for Logitech Z506 5.1 The black brackets for the satellite speakers and the centre speakers are mounted directly on the seat frame and at the back of the seat. The subwoofer is mounted on a base plate underneath the seat.For further technical information or advice, please email your enquiry to our SIM Racing experts - simracing@demon-tweeks.co.uk or telephone the team direct on +44 (0)1978 666478.