1. NGS pdf Envolve 5 1 You can connect to 5 1 ch devices through the output switch by changing from 2 1 to 5 1 Headphones volume control Sound filtering exclusive technology Impedance 32 20 Frequency range 20 20000 Hz e Dn wD TL TAME D h Technical Information Technical specifications Package contents Shiping Information System Requirements Ty ae Stereo sound card Export carton 8436001286907 6 85 NCLOQOH