#1	High performance Balanced Armature drivers are precision matched to within 1 dB
#2	Transducers Single highperformance balanced armature per channel
#3	Specially designed for uncompromising accuracy in the mid to high frequencies with a bit of extra presence in the lower end
#4	Sleek anodized laser etched aluminum body and braided reinforced detachable 5 ft Cables with custom MMCX connectors
#5	3542 dB of noise isolation with a max output of 122 dB
Brand	Etymotic
Model	ER4XR