Utilize the Leviton stand-alone Hi-Fi 2 app on your Android smartphone or tablet. Control Leviton Hi-Fi 2 distributed audio systems with no fees or contracts ideal for restaurants retail and residences. Use the app to control every connected audio zone and select which audio sources you would like to hear. Compatible distributed audio systems include the Hi-Fi 2 4x4 (Four Zone Four Source) and the Hi-Fi 2 8x8 (Eight Zone Eight Source expandable to 16 Zones).