User manual
1. Power supply input. Make sure that the
voltage selector is set for your Country’s
correct voltage.
2. Protection fuse. Use only fuses of the
correct Amp rating. If it blows more than
once, return the box to a Quest
Engineering service centre.
3. Power on/off switch.
4. Microphone level (low impedance) input.
5. Microphone balanced input volume control.
6. Microphone input overload indicator
7. Bass roll off for microphone input
8. Microphone input signal presence indicator
9. Line level balanced input.
(To mixer or other +4 dB or less line level)
10. Line level volume control.
11. Line level input overload indicator.
12. Line level signal presence indicator.
13. Line out. This is a “buffered” output at a
xed level.
14. Master volume.
15. Clip/limit indicator. If this LED illuminates
for more than an occasional ash, turn
down the mixer output. If you need more
volume, set up more speaker boxes.
16. Power amp active indicator.
CONNECTION
3
1
2
3
14
4
10
11
12
13
15
16
6
9
7
8
5
QSA 300
Active Speakers
User Manual
QSA 300
User Manual