Qtx SPL Series User Manual page 3

CONNECTIONS
Firstly, check that the specifications of the amplifier are appropriate to the speaker cabinets being operated. Pay particular
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attention to the power rating and impedance. Check if the amplifier is switched off before connecting speakers
Please note the wiring polarity (+/-). Wires of the same colour must be connected to the same sign of every side i.e. the +
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of the amplifier must be connected to the + of the speaker cabinet. If connections are inverted, phase problems will occur.
Only use high quality speaker cables suitable for the power and distance between the amplifier and the speaker.
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FRONT PANEL
1. INPUT SELECT Allows you to select between CD, TV , PC and the Mp3 inputs.
2. MP3 INPUT 3.5mm JACK input socket for connecting portable audio players
3. LEFT LEVEL Adjusts the level of input signal to the left channel
4. SIGNAL LED Indicates signal present at the input
5. POWER LED Illuminates when power is on
6. RIGHT LEVEL Adjusts the level of input signal to the right channel
7. PEAK LED Indicates when signal is clipping
8. POWER SWITCH On/off switch
9. EQ Adjust high, middle and low frequency content
178.788, 178.794, 178.797 User Manual