ZonePad 4 Remote Wall Panel Controller for up to 4-ZonesZonePad 4 is a wall mounted controller, providing users clear and simple access to the essential controls of four zones of an Optimal Audio system. It enables selection and volume control of playback source and microphones to be easily controlled across 4 zones of audio from one position. ZonePad 4 features a clean, slick intuitive touch interface. Product Features Remote control wall panel for control of up to four zones Contemporary design fits in