HD-15 Hybrid phone patch

Had individual receiver-to-line & line-to-receiver gan controls, VU meter.
30dB isolation for positive VOX operation.
Matches 3-16 ohm speakers & hi-Z or 600 ohm inputs.
Operates VOX or PTT.
2 5/8H x 9 1/4W x 3 5/8D

3lbs
$22.95 1973