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Product BulletsEnhanced and extended bass response Precision machined metal bodies; High performanc..
Product Bullets20 Hz - 16 kHz Yes Connector 3.000 Cord LengthProduct InfoER4XR is the earphone for m..
Product BulletsTrue high-accuracy sound with enhanced and extended bass 35+ dB of external noise is..
Product BulletsStudio Grade Accuracy-Achieves highest output sensitivity in its class with 102 dB SP..
Product Bullets• High performance balanced Armature drivers are precision matched to within 1 dB• Sl..
Product Info Aspect Ratio: Unknown Brand: Etymotic Research Color: ER4XRFeatures: High performance b..
Product BulletsHigh performance Balanced Armature drivers are precision matched to within 1 dBSpecia..