Design Features - Rockford Fosgate T400X2ad Installation & Operation Manual

Design Features

Input Level Knob
The input level control is used to match
the output of the audio source.
Punch EQ
A Gyrator based Punch EQ that eliminates frequency
shift with boost. This works along with the crossover
switch on the amplifier.
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, T750X1bd & T1000X5ad)
Remote Punch Level Switch
When activated, this allows the use of a optional remote
Punch Level Controller. (T500X1br)
4
Input Clip Indicator
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 either
high-level (speaker) to low-level(RCA). When utilizing
high-level for input signal the auto turn-on feature is active.