Bosch PLE-1ME060-US. Audio output channels: 1.0 channels, Peak power per channel: 60 W, Total Harmonic Distortion (THD): 1%. AC input voltage: 120 V, AC input frequency: 50 - 60 Hz. Width: 16.9" (430 mm), Depth: 10.6" (270 mm), Height: 3.94" (100 mm)