Audioquest JitterBug FMJ ANC300 you don't have to use

you don't have to use Sys with our gear at all

Impedance: 18 ohms

4-core Silver-Plated Copper Cable

This gives you the ability to listen to music with four people at the same time with different levels of headphone sensitivity

Solid like a cable - without the wires

Audioquest JitterBug FMJ ANC300 you don't have to useMany tens of thousands of music lovers are already enjoying better audio enabled by the original AudioQuest JitterBug USB Noise Filterwhether plugged into a cars USB jack, or a laptop computer, or a USB service only jack on an Ethernet Streamer, etcNow, JitterBug FMJ, with its Full Metal Jacket raises the stakes. Whether used in series (in line) or in parallel, JitterBug significantly reduces contamination from RF generated by a computer, car, or