I have MS2125 B board.
This specs is in the box:
2 x 125w @ 4 ohms 12V
2 x 190w @ 2 ohms 12V
1 x 400w @ 4 ohms 12V
S/N > 110
THD <0.01%
DIM <0.007%
Damping 1000 to 1
Idle current: 750ma
Input sensitivity: 200mv to 1.2v
or
MS2125
2 x 125W @ 4 ohms (12.5V)
2 x 160W @ 4 ohms (13.8V - <0.05% THD)
2 x 255W @ 2 ohms (13.8V)
1 x 510W @ 4 ohms bridge (13.8V)
S/N >100
THD <0.05%
DIM <0.01%
Damping 300 to 1
Idle current: 3 amp
Input sensitivity: 200mv to 2v
for
MS2125 10th
2 x 125W @ 4 ohms (14.4V)
2 x 250W @ 2 ohms (14.4V)
2 x 310w @ 1 ohms (14.4v)
1 x 500W @ 4 ohms bridge (14.4V)
1 x 720w @ 2 ohms (14.4V)
S/N >100
THD <0.02%
DIM <???%
Damping ??? to 1
Idle current: 3 amp
Input sensitivity: 200mv to 5v
???