Here’s how it works. JBL has unveiled a five-strong range of new headphones at IFA 2013 under its Synchros brand. There are two in-ear models, the S100 and S200, two over-ear designs, the S700 and ...

The JBL Synchros S100 and S200 headphones are in-ear models, with the S100 featuring 9mm drivers, die-cast aluminium construction, PureBass performance, angled ear-tips and a tangle-resistant flat ...