The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Engadget's[4] launch report of September 9, 2026 (https://www.engadget.com/2253160/audio-technicas-new-wireless-ath-al5nc-completes-its-open-back-headphone-lineup/) states the ATH-AL5NC 'are available today for $279', so September 9, 2026 is the day they went on sale.
Archived copy of Audio-Technica's[1] US product page (the live page blocks bots), whose specification table lists an "Open air dynamic" type, 53 mm driver, "20 to 40,000 Hz", 103 dB/mW, 52 ohms, Bluetooth 5.3 and "Max. approx. 50 hours (when Bluetooth on, noise cancelling on)".
Gear Patrol's own roundup includes the ATH-AL5NC among "The Best New Gadgets and Hi-Fi Releases of 2026" for the September Week 2 period, matching the pin's dateConfidenceReasoning that ties the pin's date to this same roundup.
Engadget confirms the ATH-AL5NC as $279 wireless open-back headphones with 53mm drivers and LDAC support, matching the pin's description; the reference carries a 9 September 2026 publish date, a day after the pin's stored roundup date.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.