Photo 1 of Etymotic Research ER3XR Extended Response High Performance In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Accuracy, Robust Low Frequencies)

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Photo 1 of Etymotic Research ER3XR Extended Response High Performance In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Accuracy, Robust Low Frequencies) Photo 2 of Etymotic Research ER3XR Extended Response High Performance In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Accuracy, Robust Low Frequencies) Photo 3 of Etymotic Research ER3XR Extended Response High Performance In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Accuracy, Robust Low Frequencies)