https://smile.amazon.co
Recent Adorama deals have been for the ER4SR, ER4XR, ER3SE, ER3XR, ER2SE, but the ER2XR’s were unavailable.
These are the boosted/increased bass version of the more flat or neutral ER2SE.
[LIST][*]True high-accuracy sound with enhanced and extended bass[*]Metal earpieces with anodized finish[*]35+ dB of external noise isolation[*]Assortment of ear tips for the perfect in-ear fit[*]Detachable cable allows for easy replacement