KINYO KY-100 5.1 Surround Sound Headphones (Discontinued by Manufacturer) Features 6 speakers & 2 force feedback elements for sonic realism Dolby Digital & DTS Ready For use with DVD, TV, VCR, PC/Macs, PlayStation, Xbox & GameCube Freq. Response - 20 Hz-20 kHz Signal-To-Noise Ratio - 80 dB