Yamaha PDX-W61, 2.0 channels, 30 W, 6 Ω, Red, Power, Digital Yamaha PDX-W61. Audio output channels: 2.0 channels, RMS rated power: 30 W, Impedance: 6 Ω. Product colour: Red, LED indicators: Power, Volume control: Digital. Width: 350 mm, Depth: 125 mm, Height: 109 mm