Radial J Plus 4 Balanced Signal Driver Harmonizers the unit has a full

the unit has a full featured Control Room section including Talkback

signal presence LED

"REV / Ø" button reverses the polarity from pin 2 hot to pin 3 hot for correcting non-standard equipment and mis-wired cables or for creating special effects

The Radial Duplex delivers outstanding connectivity

to 1% to 5% THD

Radial J Plus 4 Balanced Signal Driver Harmonizers the unit has a fullRadial J Plus 4 Balanced Signal Driver Stereo 10dB to +4dB interface Transformer isolated to eliminate noise Greater than 100dB of dynamic range Plug and play easy to use The Radial J+4 is a stereo interface designed to accept consumer level 10dB unbalanced high impedance signals and convert them to +4dB balanced low impedance signals for easy manipulation in professional level environments such as broadcast, recording studios and live touring.