EasyTouch ET-5004. Audio output channels: 2.1, RMS rated power: 6 W, Recommended usage: PC. Amplification device form factor: built-in, Signal-to-Noise Ratio (SNR): 80 dB. Satellite speakers RMS power: 2 W, Satellite speaker frequency range: 120 - 20000 Hz. Power source: AC. Satellite speaker dimensions (WxDxH): 105 x 145 x 113 mm, Subwoofer dimensions (WxDxH): 68 x 108 x 70 mm