HEADPHONES are a usually a popular item on Black Friday, and we expect 2019 to be no different. We check out where you should be able to unearth the best deals this November. When is Black Friday 2019? Black Friday lands on November 29 this year, with Cyber Monday hot on its heals on December 2. We reckon you should be able to find some deals on headphones about two weeks ahead of the main event, so keep your eyes peeled from mid-November.Who will have the best headphone deals on Black Friday 2019? Amazon Currys PC World Argos AO John Lewis RHA What were the best headphone deals last Black Friday? Earphones RHA T10i high fidelity noise isolating earphones – £77.97, saving 40% – buy now RHA CL750 – £55.90 – buy now Brainwavz B400 earphones – £121.64 – buy now Brainwavz Delta in-ear earphones – £12.95 – buy now Brainwavz BLU-300 Wireless Sports Earphones – £19.06 – buy now Powerbeats Bluetooth In-Ear Sport – £119.95 (save £30) – buy now Headphones Libratone Q-adapt headphones – £109, saving £19.81 – buy now Brainwavz HM5 Headphones – £68.25 – buy now Beats EP headphones – £49.99 – buy now Bose QuietComfort QC35 II…