Isis Series Loudspeaker

I-282H

Features

•Dual 8", 2-way system – in a lightweight, weather-resistant, multipurpose enclosure featuring a heavy duty, powder coated aluminum grille

•Advanced Directivity™ rotatable waveguide – (90° x 60°) enables the loudspeaker to deliver accurately focused sound, regardless of the enclosure’s mounted orientation

•High power capability – rated at 450 watts (IEC)

•Switchable biamp or passive operation – with parallel outputs

•Contemporary style, weather resistant enclosure and components – ideal for a wide range of applications

•Two parallel Speakon® connectors – for quick, secure audio input setup

•Pole cup, yoke mount, and monitor feet – included for versatile mounting options

The QSC I-282H is a dual 8", 2-way, full range loudspeaker with contemporary styling that easily integrates into multiple environments. Pole mounted, truss mounted, or used as a floor monitor/stage fill, these injection molded speakers are an excellent choice for musicians, mobile entertainers, and anyone else needing a high-quality, lightweight SR package that sounds superb, is visually unobtrusive, and with its built-in handles, is easy to transport.

The I-282H enclosure incorporates two 8" weather resistant, LF transducers with heavy-duty double roll cloth surrounds and a 1" exit HF compression driver. The HF driver is coupled with QSC’s unique Advanced Directivity Rotatable Waveguide—enabling the loudspeaker to deliver accurately focused sound, regardless of its orientation. For quick and secure input setup, the I-282H provides two parallel Speakon connectors.

An ideal solution for a variety of mobile SR applications, the I-282H includes a pole cup for pole mounting with either 1 1/2" or 1 3/8" diameters. Or by using the included yoke mount with swivel extension feet, the I282-H can be vertically or horizontally mounted for pan and tilt focusing or used as a floor monitor. For truss mounting, the yoke accepts most industry standard truss clamps.

Specifications

Configuration	Compact 2-way, ported enclosure

Transducers
Low-frequency Transducers	Dual 8" high power, treated paper cone, 2" voice coil, neodymium magnet
High-frequency Transducer	1" exit high output compression driver, 1.7" diameter voice coil

Frequency Range1
Frequency Response (-6 dB)	80 Hz – 27.7 kHz
Usable Frequency Range (-10 dB)	60 Hz – 29.5 kHz

Maximum Output (SPL at 1 m) 2	Fullrange (passive mode) LF (biamp mode)		HF (biamp mode)
Continuous	120	124	121
Peak	126	130	127

Nominal Impedance	Passive	LF	HF
	8Ω	8Ω	8Ω

Power Rating 3	Passive	LF	HF
	450 W (IEC, 8 hours)	500 W (IEC 8 hours, 50 Hz – 2 kHz) 45 W (IEC 8 hours, 2 kHz – 20 kHz)

Recommended Max Amp Power	Passive
	900 W RMS

Sensitivity (SPL, 1 W at 1 m) 4	Passive	LF	HF
	93 dB (100 Hz – 10 kHz)	97 dB (200 Hz – 2 kHz)	104 dB (2 kHz – 10 kHz)

Nominal Coverage	90°H x 60°V (-6 dB) rotatable to 60°H x 90°V

Bass Loading	Ported, tuned to 60 Hz

Enclosure	E

Material	Injection molded, weather resistant, high impact polystyrene

Finish	Black

Weather Resistance	Yes

Grille	Heavy duty powder coated aluminum

Connectors	Two Speakon® NL4FC connectors wired in parallel, passive /active switchable
Mounting Hardware	Included: Pole cup and Yoke mount

Weight – Net / Shipping	28.5 lb (12.9 kg) / 36.8 lb (16.7 kg)

1)All frequency ranges specified refer to measured free field response (full space, 4π)

2)Calculated SPL at 1 m, full space (4π), speaker operating at rated RMS power with pink noise within specified frequency range

3)Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz – 20 kHz band limiting, 6 dB signal crest factor, 8 hours

4)Based on nominal impedance, measured in full-space

ISIS I-282H specifications

QSC Audio has long been recognized as a leader in professional audio solutions, and the ISIS I-282H stands out as one of its premier loudspeaker offerings. This full-range, two-way loudspeaker is designed for demanding applications in both fixed installations and portable sound systems, showcasing QSC’s commitment to quality and innovation.

At the core of the ISIS I-282H is its advanced driver technology. The loudspeaker features a high-performance 8-inch (200 mm) woofer that provides exceptional low-frequency response, ensuring clarity and impact across a broad range of sound applications. Complementing the woofer is a 1.4-inch (35 mm) compression driver, which delivers crisp, distinct high frequencies. The carefully designed crossover network optimally distributes frequencies, resulting in a smooth and balanced sound profile that can easily fill large spaces.

One of the standout characteristics of the ISIS I-282H is its robust construction. The cabinet is made from durable plywood and finished with a weather-resistant coating, making it suitable for various environments, including outdoor events. The enclosure is designed to minimize unwanted resonance, promoting clean sound reproduction. Additionally, the enclosure features multiple mounting points, allowing for versatile installation options, whether suspended from a ceiling or mounted on a stand.

The ISIS I-282H also integrates QSC’s proprietary Waveguide technology, which enhances dispersion patterns and ensures even sound coverage across the listening area. This feature is particularly beneficial in larger venues and can help reduce feedback issues while maximizing audience engagement.

For added flexibility, the loudspeaker is equipped with quick connect terminals for easy setup and teardown, making it a favorite among audio professionals who need to move equipment quickly between events. Furthermore, the ISIS I-282H is compatible with a variety of external amplifiers, enabling users to tailor their audio experience to their specific requirements.

Overall, the QSC Audio ISIS I-282H combines state-of-the-art technology, exceptional sound quality, and a rugged build, making it an ideal choice for professional audio applications. Whether used in live sound, corporate events, or fixed installations, it delivers reliable performance that meets the high standards of audio professionals.