Pioneer GM-ME300X4C Owner's Manual page 8

If you lose the supplied tool, use a flat screwdriver with a tip width of 3 mm or less as a substitute.
Regarding the speaker to be connected to the amplifier, use a speaker having a rated input capac-
ity more than the rated output capacity of the amplifier. If this condition is not met, there is a risk
Speaker setting and I/O
Corresponding I/O for the number of input channels
Input: Two-channel / Output: Four-channel
Slide INPUT SELECT switch to 2CH position.
Input: Four-channel / Output: Four-channel
Slide INPUT SELECT switch to 4CH position.
Max 3 mm (1/8 in.)
En(7/10)
INPUT
CH-A
CH1
(L)
CH-A
CH2
(R)
CH-B
CH3
(L)
CH-B
CH4
(R)
INPUT
CH-A
CH1
(L)
CH-A
CH2
(R)
CH-B
CH3
(L)
CH-B
CH4
(R)
OUTPUT
(L)
CH1
(R)
CH2
(L)
CH3
(R)
CH4
OUTPUT
(L)
CH1
(R)
CH2
(L)
CH3
(R)
CH4