Check the listing for details. NOS Original Bozak DL Mixer KNOB Line Input Level KNOBS 4 Medium. Condition: New. Listed at 50.00 USD. These knobs are for the original Bozak series mixers, from the Bozak CMA 2D, DL, DLA, DLB, DLC..The knobs are new old stock box is dated December 30, 1981, and come from the original company that supplied Bozak knobs, which is no longer in business. The knob is the medium size knob for the Bozak which is for Phono's 1-2, Aux 1-2, Mic 1-2, and monitor/headphone level and cue selector. If you have a booth option this is also the booth knob. Photos are of actual knobs you will receive. You will receive 4 knobs on this lot. You can also find out more information about the classic Bozak mixers by joining our facebook group: Bozak: The American Original DJ Mixer, 1973-1989 Series If you need the item to be shipped outside the USA contact us first for a shipping quote...