Series
M
Input Sensitivity
0.2V - 8V
Variable High Pass Filter
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Subsonic Filter
10 Hz - 50 Hz at 24 dB/Oct
Variable Low Pass Filter
20 Hz - 200 Hz at 24dB/Oct
Clipping Display
LED
Tested Voltage
14.4V
Tested THD
1%
Model
M1a
M2
M3
Power at 4 ohm
300W x 1ch
390W x 1ch
600W x 1ch
Power at 2 ohm
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Damping Factor
>250 @ 1 ohm
>250 @ 1 ohm
>450 @ 1 ohm
Power at 1 ohm
1200W x 1ch
1700W x 1ch
2400W x 1ch
Power at 4 ohm Mono
300W x 1ch
390W x 1ch
600W x 1ch
Power at 3 ohm Mono
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Max Dynamic Power
2000W x 1ch
2500W x 1ch
4500W x 1ch
Efficiency thru Output
>75%
>75%
>85%
Dimensions - mm
300 L x 235 W x 53.4 H
350 L x 235 W x 53.4 H
540 L x 235 W x 53.4 H
Dimensions - inches
11.81 L x 9.25 W x 2.1 H
13.78 L x 9.25 W x 2.1 H
21.25 L x 9.25 W x 2.1 H
Signal to Noise
85 dB
85 dB
90 dB
Shipping Weight
12 lbs
16 lbs
24 lbs
Straight from DD's website. 2400 watts RMS at 14.4 but we all know DD under-rates their amps.