The Philips 313911878250 Audio Remote Control is originally supplied with Audio System models: Philips 37, Philips FWC50037, Philips FWC500C37, Philips FWC500C399, Philips FWC550, Philips FWC55037, Philips FWC550370, Philips fwc5503701, Philips FWC550C37, Philips FWC550C99