Adastra A2. Audio output channels: 2.0 channels, Peak power per channel: 200 W, Amplifier class: D. Speakers connectivity type: Binding post, USB port type: USB Type-A, Headphone connectivity: 6.3 mm. AC input voltage: 230 V, AC input frequency: 50 Hz, Power protection features: Over current, Over voltage, Overheating, Short circuit. Width: 482 mm, Depth: 240 mm, Height: 88 mm. Package width: 500 mm, Package depth: 300 mm, Package height: 170 mm