Bass Habit PP70.2 Owner's Manual page 5

SPEAKER CONNECTIONS (FIG 2, FIG 3)
Speaker connections should be made using a minimum of 1,25 mm2/16-gauge wire.
FIG 2: 2-CHANNEL STEREO SPEAKER SYSTEM
2-8 Ohm 2-8 Ohm
FIG 3: 1-CHANNEL STEREO BRIDGED
min. 4 Ohm