Pioneer X-SMC1-K. Audio output channels: 2.0, RMS rated power: 40 W, Frequency response: 60 - 20000 Hz. Headphone connectivity: 3.5 mm. Power source type: AC, Input voltage: 220 - 240 V, Input frequency: 50/60 Hz. Dimensions (WxDxH): 520.4 x 155.6 x 218.3 mm, Weight: 2060 g. Colour of product: Black