XFIRE AUDIO XFR1200.4 Owner's Manual - Signal Input
5
LINE LEVEL INPUTS (RCA) These inputs are connectd to the source unit’s line level RCA outputs.
6
GAIN This control is used to match the amplifier’s input sensitivity to the source unit’s output.
7
SUBSONIC This control is used to limit the amount of extreme low frequencies. With this control you can protect
your speakers from damage of excessive excursion.
8
X-OVER SWITCH This switch is used to select the filter for the respective amplifier channels, Low Pass (LPF)/ Band
Pass (BPF), Fullrange (FULL) or High Pass (HPF).
9
LOW PASS FREQ. This control is used to set the Low Pass filter frequency for the speaker outputs.
10 HIGH PASS FREQ. This control is used to set the High Pass filter frequency for the speaker outputs.
11 BASS BOOST This control is used to set a boost around a center frequency. (45Hz for XFR1200.4/1800.2)
12 BOOST FREQ. This control is used to set the center boost frequency of the bass boost (XFR2000.5 only).
13 PHASE This control is used to adjust the phase of the output signal.
14 LINE LEVEL OUTPUTS (RCA) These outputs can be used to route the input signal to a second amplifier.
15 REMOTE LEVEL CONTROL PORT Port to connect the external level control.
16 POWER & PROTECTION LEDS The Power LED shows if the amplifier is ON (LED is green- or blue-lit), the protection
LED shows if the amplifier is in protection (LED is red-lit).
Signal Input
Tp to prevent noise and RF inductance, use only high quality shielded audio cables that are no longer than necessary.
Try to avoid running these low-level cables near cellular phone equipment, electronic management systems or other
potential interference sources.