Specifications: Power capacity: 100W RMS Frequency response: 35Hz: 35Hz~19KHz (±1dB) Taps (ohms): 8, 16, 50, 100, 200, 400, 800, 1600, 3200 Taps (70V): 100W, 50W, 25W, 12.5W, 6.25W, 3.13W, 1.56W Taps (100V): 100W, 50W, 25W, 12.5W, 6.25W, 3.13W Dimensions: 2.80" (H) x 2.31" (W) x 1.15" (D) Weight: 1.7 lbs.