Etymotic Research ER3XR Extended Response Earphones $69 at Adorama $69 $120 Adorama has the Etymotic Research ER3XR Extended Response Earphones for $69 with free shipping. Has 35 to 42 dBA noise attenuation, 20 Hz to 16 kHz frequency response and 22Ohms impedance. $69 retail: $120 Report Posted by DrBatman05/01/2021 at 02:48 AM PT
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