Make sure you've selected the correct connectors/upgrades. Contact us for assistance.
If you don't see your headphones in the drop-down list, contact us to ensure compatibility.
Fill out the text field if you have special requests, e.g., custom length for the L/R split, avoid using heat shrinks if possible, etc.
All solder options are top-notch; if you don't have a specific preference, choose either one or leave at default.
Due to ROHS lead-free restrictions in the EU, customers based in the EU can choose any solder from the drop-down except Cardas silver solder. Viablue silver solder is the default solder for EU customers.