QSC KW153 [2/28] Caution to reduce the risk of electric shock do not remove the amplifier cover no user serviceable parts inside refer servicing to qualified personnel

IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS

WARNING!

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE AMPLIFIER COVER.

NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

The lightning ﬂash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of

uninsulated “dangerous” voltage within the product’s enclosure that may be of sufﬁcient magnitude to constitute a risk of

shock to humans.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operation and

maintenance (servicing) instructions in this manual.

Install in accordance with QSC Audio Product’s instructions and under the supervision of a licensed professional installation engineer.

WARNING is used alert the user of situations that may cause physical harm to people.

CAUTION is used to alert the user of situations that may cause physical damage to equipment.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings and cautions.

4. Follow all instructions.

5. WARNING! To prevent ﬁre or electric shock, do not expose this equipment to rain or moisture. Do not use this loudspeaker near water.

6. Clean only with a dry cloth.

7. CAUTION: Allow a minimum of 6" (152 mm) clearance at cabinet back for convection cooling. Keep anything that might restrict airﬂow

away from the rear of the enclosure (for example draperies, fabric, etc.). Do not block any ventilation openings. This product contains an

internal power ampliﬁer that produces heat and requires ventilation.

8. CAUTION: Do not install near any heat sources such as radiators, heat registers, stoves, or other loudspeaker (including ampliﬁers) that

produce heat.

9. WARNING! This loudspeaker must be properly grounded for your safety. The grounding plug has two blades and a grounding prong.

The third prong is provided for your safety. If the provided plug does not ﬁt your outlet, consult an electrician for the replacement of the

obsolete outlet. Do not cut off the grounding prong or use an adapter that breaks the grounding circuit.

10. CAUTION: Protect the power cord from being walked on or pinched, particularly plugs, convenience receptacles, and the point where they

exit from the loudspeaker.

11. WARNING! This product is NOT equipped with an all-pole mains switch. To fully disconnect the loudspeaker from the AC mains, the AC

power cord must be removed from the AC power source or the loudspeaker AC INLET (IEC block) on the ampliﬁer module. Ensure either

or both ends of the AC power cord are accessible in case of emergency disconnect requirement.

12. CAUTION: Use only attachments/accessories speciﬁed by QSC Audio Products, LLC.

13. CAUTION: Use only with hardware, brackets, stands, and components sold with the loudspeaker or by QSC Audio Products, LLC.

14. CAUTION: Unplug the loudspeaker during lightning storms or when unused for long periods of time.

15. CAUTION: Refer all servicing to qualiﬁed service personnel. Servicing is required when the loudspeaker has been damaged in any way,

such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the loudspeaker, the loudspeaker has

been exposed to rain or moisture, does not operate normally, or has been dropped.