Edifier S2000MKIII. Audio output channels: 2.0 channels, RMS rated power: 130 W, Recommended usage: Universal. Amplification device form factor: Built-in, Signal-to-Noise Ratio (SNR): 90 dB. Satellite speaker frequency range: 45 - 20000 Hz. Power source: AC. Width: 198 mm, Depth: 276 mm, Height: 342 mm