GoldMaster S-237. System type: 2.0 system, Recommended usage: PC, Speaker placement: Tabletop/bookshelf. RMS rated power: 10 W, Frequency range: 200 - 20000 Hz, Signal-to-Noise Ratio (SNR): 65 dB. Connectivity technology: Wired, Speaker interface type: 3.5 mm. Power source type: AC