The BU-P3770 is a panel mount, gold-plated tellurium binding post that is compatible with all unshrouded and retractable 4mm banana plugs. Mounts through panels between 0.070" and 0.25" thick.
The BU-P6883 is a dual binding post with a standard spacer. Posts are spaced at 0.75" (19mm) and are compatible with single and dual 4mm banana plugs (unshrouded only). Mounts to panels up to 0.25"...
The BU-00283 is a panel-mountable, dual five-way binding post. Useful in audio signal routing applications and interfacing different types of sound equipment (speakers, subwoofers, etc).
The BU-00282 is a five-way binding post that is mountable to panels up to 0.15" (3.8mm) thick. Useful for applications that require high metal-to-metal contact like sound systems.
