Sennheiser HD 518 Open-Back drop to $73 (limit 5)

An often recommended entry-point open-back over-ear headphone, the Sennheiser HD 518 is on sale again, going for $73 with free shipping, with a limit of five per customer at Amazon.com by Amazon actual. They average 4.5 out of 5 with 300+ customer reviews. They are straight up headphones, no mic/remote.