PSB M4U2 £250
April 2015 As well as obliging with a powerful delivery the PSBS offer a choice of listening modes (passive, active and noise-cancelling), to suit. Quoted battery life 55 hours
April 2015 As well as obliging with a powerful delivery the PSBS offer a choice of listening modes (passive, active and noise-cancelling), to suit. Quoted battery life 55 hours