The Klipsch RS-10 rear speaker is a part of a satellite speaker system that is designed to be mounted on the wall. This rear speaker is a wireless model so that it does not have to be directly connected to any central unit. The features of the Klipsch speaker include a peak power handling of 200 watts and a nominal power of 100 watts. Additionally, the Klipsch speaker includes an impedance of 8 Ohms and a sensitivity of 91 dB. The frequency response of the Klipsch RS-10 rear speaker is between 82 Hz and 20 kHz. The dimensions of the rear speaker are 12.7 inches wide by 5.8 inches deep. The height of each Klipsch speaker is 5.75 inches so that the rear speaker can easily be mounted to a wall without taking up too much space. The speaker can be mounted on a bookshelf as well if preferred.