Part Number K6X PLUS having (CAGE Code 50333) and FSC 5965 Headsets, Handsets, Microphones and Speakers in stock with ready to ship. Get an instant quote for K6X PLUS Headset Electrical by Koss Corporation. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.