While most clubs choose Cardio Theater® wireless systems, some facilities are not set up to accommodate it, or the location may make it inadvisable. Many countries need wired systems due to their frequency regulations. For these clubs, Cardio Theater wired system is the perfect solution! This digital audio system allows up to 80 people to listen to any one of 16 audio sources at the same time. The digitized sound enables the listener to enjoy every note of music and hear every tone of voice without straining to "tune out" unwanted background noise. Whether wired or wireless, look to Cardio Theater for your perfect entertainment solution!