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Introduction
Thank you and congratulations on your purchase of QSC’s ISIS multipurpose loudspeakers. These products represent the state-of-
the-art in lightweight SR (sound reinforcement) loudspeaker systems. To get the most from your investment, we encourage you to
review this manual carefully.
The ISIS 102M, ISIS 102W, ISIS 122M, and ISIS 152M loudspeaker systems are full range, high output, two-way designs deliver-
ing superior sound quality and high SPL in a lightweight, all-weather cored composite enclosure.
The ISIS W-102M, ISIS W-102W, ISIS W-122M, and ISIS W-152M loudspeaker systems are wooden enclosure versions and are
essentially identical with the exceptions of weight and weather resistance. These models offer an economical alternative to the
cored composite enclosures in high quality 13 to 18 ply baltic birch.
Applications include flown arrays, yoke mounting, foldback stage monitors, and portable event use (pole mount). Hardware
options make the ISIS loudspeakers versatile and easy to reconfigure for mobile and touring sound companies. These loudspeak-
ers make an excellent choice for a wide variety of SR applications.
Do not install wooden enclosure models in exterior environments unless fully shield from the weather.
Product Features (ISIS 102M (handle on top) and ISIS W-102M (side recess) shown)
Note: Models featuring cored composite enclosures have a carrying handle on their top, whereas wooden enclosure models have
a handling recess on the side of the enclosure. A wooden enclosure is shown at the far right, below. Other views are of a cored
composite enclosure.
1- High-frequency driver/waveguide assembly (102W waveguide differs)
2- Low-frequency driver
3- Removable metal/foam grill
4- Fly track (top and bottom of cabinet)
5- Carrying handle
6- Rear pick-point
7- Connection panel with two Speakon® connectors wired in parallel and crossover mode selector switch
8- Pole cup (bottom of cabinet)
Note- Standard model shown. Custom product options may include hardware and connector variations.