Toro MR2 Owner's Manual page 15

FIG11. MRX4 AMPLIFIER WIRING
2 OHM-4 OHM 2 OHM-4 OHM
4 OHM-8 OHM
(3-CHANNEL MODE)
1 2
3 4
2/4CH 1/2CH
LEVEL HPF
PWR 1 0V 0.2 20 300Hz
PRT
HPF/LPF
1 0V 0.2 20 300Hz
3/4CH
X4
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