Edifier Rainbow. System type: 2.0 system, Recommended usage: PC, Speaker placement: Tabletop/bookshelf, Wall-mountable. RMS rated power: 60 W, Frequency range: 50 - 17000 Hz, Signal-to-Noise Ratio (SNR): 85 dB. Connectivity technology: Wireless, Speaker interface type: Terminal. Weight: 1.3 kg. Audio output channels: 2.0, Power source type: AC