The TX-70A 70/25/100 volt input interface matches a 100, 70 or 25 volt speaker line to any unbalanced line level audio input. Simply install the TX-70A as you would a 70V speaker tap and adjust the trimmer for proper output level.
Features
Matches a 100, 70 or 25 volt speaker line to any unbalanced line-level audio input
Trimmer adjusts output level for various input voltage/power levels