Go groove Phono Preamp Guide De L'utilisateur page 7

Output
The preamp can be connected to amplifiers, mixers and recording units.
Do not use the RCA and 1/4 TRS outputs simultaneously.
1/4 TRS
L R
OUT OUT
RCA: Connect RCA cables to the RCA OUT ports
L and R.
L R
OUT
L R
GND DC12V
IN
PHONO PREAMP
1/4 TRS
L R GND DC12V
OUT IN
PHONO PREAMP PHONO PREAMP
L R
OUT
1/4 TRS: Connect a 1/4 TRS stereo connector cable to
the 1/4 TRS OUT port.
7
1/4 TRS
L R
GND DC12V
OUT IN
PHONO PREAMP