A:Answer Yes, you can connect a turntable to the AUX port of the LG 700W 2.1ch Mini Shelf System with Built-in Subwoofer and Bluetooth®, Model # CM4550. If the line level of that auxiliary port is too low, you might be able to find an adapter that can boost the line level from the turntable up so it's at an appreciable volume. Typically, turntables that have a USB port on them can connect to a USB port so you can transfer the audio from the turntable when playing vinyl and record it or play it through the USB ports on this unit so a turntable with a USB port can be connected to the unit. ^CP