Behringer Powerplay P1 In-Ear MonitorPOWERPLAY P1 The POWERPLAY P1 Personal In Ear Monitor (IEM) Amplifier puts control where its most useful right at the artists fingertips. Whether on stage or in the studio, the P1 provides performers and recording artists with a dependable and affordable personal monitoring solution. Drummer Proof Output The P1s high power headphone output ensures that as the band gets louder, youll still be able to hear every nuance of your performance. And the P1s