1 Other 3.5mm Connectors and Adapters? - 3.5mm Connector and Adapter Menu

2 Stereo or Mono? - The bulkheads are stereo - so they will pass a stereo to stereo signal or a mono to mono signal.

3 What does Isolated mean? - This provides insulation from the panel and other connectors to reduce ground loop concerns. The Recessed D Series and Keystone Mount housings are all Isolated by design.

4 What are Isolated Washers? - Connectors with a 3/8 Hex Swage can have a non-conductive mounting washer added during install. With the added washer the connector is now Isolated and will fit a 1/2" D or 1/2" Double D hole. Isolated connectors come with a stock Black washer but other colors can be purchased - Isolation Washers

5 Mounting Hole size explanation? - Why the mounting hole sizes are noted - Hole Specs

6 3.5mm Bulkheads In Stock? - 3.5mm Bulkheads are generally in stock and ready to ship, but inventory does change daily. Feel free to contact us to confirm your immediate needs.