Amazon.com: OREI European Adapter Plug, Travel Adaptor for Europe Schuko Countries 2 in 1, for Germany France Iceland Netherlands Russa Greece Spain - Safe Grounded Connection - Universal Socket - 4 Pack : Everything Else
Effect Audio Virtuoso In-Ear Headphone Cable
DD HiFi DJ44K Adapter for AK Player 2.5mm 3.5mm Male to 4.4mm Female B
PW Audio 4.4mm Female to 2.5mm 3.5mm Male Adapter for AK Astell Kern A
Cayin PH-4X 4.4mm TRRRS Male to 2.5mm TRRS Balanced Female Adapter — MusicTeck
2.5 mm to 3.5 mm Audio Cable Adapter M/F - Audio Cables and Adapters | StarTech.com
iPower2 by iFi audio - Ultra Low Noise DC Power Supply with international options.
ORB Clear Force Lightning to 3.5mm Headphone Jack Adapter
Headphone Adapter 2.5mm to 4.4mm by iFi audio - Convert your 2.5mm headphones to fit 4.4mm Balanced outputs.