Massdrop offers the Beyerdynamic DTX 102 iE Earbud Headphones for $49.99 plus $3.99 for shipping. That's $17 below our mention from two weeks ago and the best price we've seen. (It's also a current low by $26.) They feature a 9mm driver, 10 to 23kHz frequency response, 104 dB sensitivity, 23 Ohms impedance, and 3.9-foot cable. Deal ends October 6.