Rockford Fosgate T400X2ad Operation Manual page 3

Intput Clip Indicator
Input Level Knob
The input level control is used to match
the output of the audio source.
2/4 Channel Switch
Setting this switch to the 2CH. position, switches the inputs to
a 2-channel mode, allowing connection to only the front inputs
with a 4-channel output. (T400X4ad)
Variable Crossover
Is a built-in 12dB/octave Butterworth filter with
a crossover point variable from 50Hz to 250Hz.
Remote Punch Level Control
Remotely control the output level of the amplifier.
(T400X2ad & T500X1br)
Remote Punch Level Switch
When activated, this allows the use of a optional remote
Punch Level Controller. (T500X1br)
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The input clip indicator works in conjunction with the audio
source volume knob, illuminating red when audio source
reaches it's clipping point.
Crossover Switch
Selectable switch for High-Pass (HP) or
All Pass (AP) or Low-Pass (LP)
Signal Input
The RCA inputs are capable of accepting signal from ei-
ther high-level (speaker) to low-level(RCA). When utilizing
high-level for input signal the auto turn-on feature is active.
Output Clip Indicator
The output clip indicator works in conjunction with the in-
put level knob, illuminating to appropriate color depending
on the audio content used for the setup.
Power/Protect LED
Power LED illuminates blue when the unit is turned on. Protect
LED illuminates yellow if a short circuit or to low of an impedance
is detected at the speaker connections. Thermal LED illuminates
red when amplifier overheats. The amplifier will automatically shut
down if this occurs.
Power/REM Terminals
The power and ground quick connector will accommodate
4 AWG, while the remote will accommodate 8 AWG.(The
REM terminal is used to remotely turn-on and turn-off the
amplifier when +12V DC is applied.)
Speaker Terminals
The Speaker Terminals are nickel-plated
quick connect wire connectors (+ and -)
will accommodate 10 AWG. (T500X1br)
Punch EQ
A Gyrator based Punch EQ that eliminates frequency
shift with boost. This works along with the crossover
switch on the amplifier.
Speaker Terminals
The Speaker Terminals utilize 16 AWG 4-pin
Molex quick connect wire connectors (+ and -).
illus.-1.1
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