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.

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QSC Audio ISIS Series user manual Introduction
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ISIS Series specifications

The QSC Audio ISIS Series stands out as a premier line of loudspeakers tailored for various professional audio applications. Designed with both clarity and power in mind, the ISIS series is ideal for situations ranging from live performances to installations in venues needing reliable, high-quality sound reproduction.

One of the most notable features of the ISIS Series is its cutting-edge Waveguide Technology. This innovative design enhances the speaker's dispersion characteristics, ensuring that sound reaches every corner of the venue without losing fidelity. This feature is particularly crucial in large spaces where uniform sound coverage is essential for audience satisfaction.

The series includes a range of models, each equipped with robust components that provide exceptional performance. For instance, the ISIS loudspeakers utilize high-efficiency drivers that deliver a wide frequency response, capturing both low-end warmth and high-end clarity. The integration of durable materials ensures that these speakers can withstand the rigors of regular use while maintaining their performance over time.

Another characteristic that sets the ISIS Series apart is the advanced DSP (Digital Signal Processing) technology integrated into the speakers. This technology allows for precise tuning of audio output, enabling users to tailor the sound to match the acoustics of the environment. Such flexibility makes the ISIS Series suitable for various setups, whether in theaters, houses of worship, or corporate events.

The ISIS speakers are also designed for ease of use. Features like multiple input options and a streamlined setup process make them accessible to both seasoned audio engineers and those new to sound systems. Additionally, the lightweight yet robust construction of the cabinets simplifies transportation and installation, making them an excellent choice for rental companies and touring outfits.

Moreover, the reliable performance of the ISIS Series is backed by QSC's commitment to quality, ensuring that these speakers deliver consistent results across different applications. With their advanced technology, user-friendly design, and versatility, the QSC ISIS Series loudspeakers are a powerful solution for anyone seeking to enhance their audio experience. Whether for live sound reinforcement or installed applications, the ISIS Series continues to set a standard in the professional audio industry.
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