iLive > analog to digital converter > digital optical input on the sound bar.

Or buy a pair of powered speakers starting at $79, scroll down past the turntables, to connect to the turntable.

The soundbar lacks 3.5mm aux or RCA inputs?

If so then you will need an analog to digital converter to connect to the digital optical input on the soundbar.

This HDMI adapter should work, or this analog converter. The latter is more future-proof if you ever upgrade your monitor (as long as the new one also has analog audio out).