PSB M4U 9 - Premium Wireless Active Noise Cancelling Headphones Product Type_Speaker Mount Brackets white membrane is used to

white membrane is used to avoid any coloration

Enhanced ARC

it also prevents sweat and overheating during lengthy listening sessions

The AHB2 has a unique protection system that prevents damage from overloads and short circuits

PSB M4U 9 - Premium Wireless Active Noise Cancelling Headphones Product Type_Speaker Mount Brackets white membrane is used toM4U 9 Premium Wireless ANC Headphones The M4U 9 Premium Wireless Active Noise Cancelling Headphones redefine the expectations of PSBs True to Nature sonic performance with all new graphene infused drivers and improved ergonomic comfort. Pair to your device, play music and make voice calls noise free thanks to aptX Adaptive Bluetooth and cVc (clear voice capture) built in. Powerful technologies like Personal Sound by Audiodo allow you to calibrate your