Mixer layout – Samson Expedition XP800 800W Portable PA System User Manual
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Mixer Layout
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1. Channel Input Jacks (channels 1 – 4)
MIC XLR Connector – Use these XLR jacks to connect low impedance microphones to
the XP800’s built-in mic preamps.
LINE ¼” Phone Connector – Use these ¼” jacks to connect instrument or audio
sources with line–level signals to the XP800. You can connect the outputs from
acoustic guitar with active pickups, keyboards, drum machines, CD/MP3/TAPE play-
ers and other units with line level outputs here.
2. Low-Z/Hi-Z Switch – This switches changes the input impedance of the channel 3
¼” jack from low impedance (Low-Z), for line level devices, to high impedance (Hi-
Z) for electric instruments with pickups.
3. MIC/LINE Switch (channels 1, 2, & 4) – The MIC position changes the gain of both
input jacks to MIC level. The LINE position reduces the gain of both jacks by 26dB
to line level.
4. STAGE XPD1 WIRELESS Input – Connect the optional Samson Stage XPD1 digital
wireless USB receiver to this input. The wireless receiver gets its power from the
XP800, so no additional power supply is needed.
The WIRELESS input is routed
to the channel 4 LEVEL control.
Note: The USB connector is for the Stage XPD1
receiver only. The connector is not designed to charge smartphones, tablets, or sim-
ilar devices.
5. Equalizer Knobs
HIGH Frequency – The HIGH knob controls the amount of treble applied to each
channel. The channel’s high frequency response is flat when the knob is in the cen-
ter detent (12:00) position. Rotating the knob to the right will boost the channel’s
high frequency response above 10 kHz by 15 dB, and rotating it towards the left