Are you looking to create 4.1ch or 6.1ch surround sound. Then use these Panasonic SB-HSX70E-K rear speakers, when used in conjunction with the SH-FTX70E-K speaker kit (sold separately) add extra rear speakers to your compatible Panasonic home cinema system, for an expanded surround experience. Set up is simple – they plug directly in to the mains-powered receiver unit of the SH-FTX70E-K speaker kit (sold separately), and you then place them either behind or to the side of the main listening position, depending on the set up you want.