Etymotic Research ER4B Headphone Reviews

Manufacturer Etymotic Research Model ER4B
Headphone Type Canal Headband Type None
Weight (g) 28 Driver Type Dynamic
Enclosure Material Plastic Isolation (dB) 20
Impedance (ohms) 100 Cable Length (cm) 150
Frequency Response (Hz) 20 - 16000  
Connector 3.5mm with 6.5mm adaptor Street Price US$330
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