Matches a stereo balanced or unbalanced signal to a stereo balanced or unbalanced signal.
Little black boxes that match a stereo balanced or unbalanced signal to a stereo balanced or unbalanced signal.
Little black boxes that match a stereo unbalanced signal to a stereo unbalanced signal with 3.5mm or 1/4 inch phono jacks.
Dual PC series coupling transformers mounted on a printed circuit board with Eurostyle connectors that converts a stereo unbalanced line level signal to a mono unbalanced or balanced signal.