At all our open mics our mixing desks can take a minimum of any combination of 4 inputs (XRL/mics or instrument leads) plus a backing track played through a device with a headphone socket (e.g. your phone).
At all our open mics our mixing desks can take a minimum of any combination of 4 inputs (XRL/mics or instrument leads) plus a backing track played through a device with a headphone socket (e.g. your phone).