Power Ratings: The Sound Ordnance M-2250 is a two-channel
Class AB amplifier with an RMS power rating of 175 watts per channel into 4
ohms, and 250 watts per channel into 2 ohms. The amp can also be bridged into
a 4-ohm load for a power rating of 500 watts. Power ratings are measured with
an input power of 14.4 volts.
Crossovers: The M-2250 is equipped with both high-pass and
low-pass crossovers. You can set the low-pass and high-pass cutoff frequencies
independently between 40Hz and 300Hz. A 3-way switch lets you select low-pass,
high-pass, or full range operation. The crossovers have a 12dB per octave slope.
Bass Boost: The amplifier has a bass boost control (labeled
Bass EQ on the amp), centered at 45 Hz and continuously variable from 0dB to +12dB.
Mode Switch: You can easily switch between stereo and mono
operation with the 2-way Mode Switch.
LED Indicators: The M-2250 features two LED indicators: a green
LED that illuminates when the amp is powered on, and a red LED that illuminates when
the amplifier is in protect mode due to overheating or a short circuit in the speaker
Removable End Caps: The end caps on the M-2250 are removable
with a 3mm Allen wrench (not supplied) to make it easier to attach the power and
Power Connections: The power and ground connections are set
screw terminals that will accommodate up to 4-gauge wire. (Due to the fuse rating
of the amp, 8-gauge power and ground wire are recommended.) The remote turn-on
terminal is a set screw terminal that will accept up to 8-gauge wire. A Phillips
head screwdriver (not supplied) is required to tighten/loosen the terminals.
Speaker Connections: The speaker connections are set screw
terminals that will accommodate up to 8-gauge wire. A Phillips-head screwdriver
(not supplied) is required to tighten/loosen the terminals.
RCA Inputs and Outputs: The amplifier features a pair of stereo
RCA inputs for connecting your head unit. There is also a pair of stereo RCA outputs
for feeding the preamp signal to another amplifier, if needed.
Fuses: The M-2250 features two 25-amp ATC blade fuses.
Remote: Although there is an RJ-45 port on the amp labeled
Remote, the port is not functional and no wired remote is available.
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