How long does it take to make Eartune Fidelity? ADV. March 04, 2020 21:45 Updated Depending on the back-orders, the lead time is typically 2-3 weeks after receiving your ear impressions. Related articles My IEM's not under the compatibility list. Will mine look exactly like the ones shown on the website? How can I tell left from right side? Can I connect my M5-TWS to multiple devices? Comments 0 comments Article is closed for comments.