QSC SC-1150 – 2-Way 1x15-Inch Cinema Screen Channel Loudspeaker

Product Overview

The QSC SC-1150 is a passive two-way screen channel loudspeaker from the DCS Digital Cinema Series, optimized for small cinema auditoriums up to 45 feet (14 m) from screen to last row. A 15-inch woofer and high-frequency compression driver share a single enclosure for streamlined behind-screen installation.

Designed for behind-screen motion-picture playback, the SC-1150 delivers QSC cinema sound in a shallow cabinet that requires less than 12 inches of depth behind the screen.

Product Description

The SC-1150 features a 15-inch (380 mm) woofer with a 3-inch (76 mm) voice coil for extended low-frequency bandwidth, crossing over passively into a high-frequency compression driver with a 1.75-inch (44 mm) voice coil on a 90° axisymmetric horn. Both drivers are combined in one enclosure, requiring only a single amplifier channel.

The shallow cabinet needs less than 12 inches (305 mm) behind the screen, and its front baffle is treated with sound-absorbing material to reduce behind-screen acoustic reflections. Screw-type barrier-strip connectors provide secure, serviceable wiring.

As part of the QSC DCS cinema ecosystem, the SC-1150 integrates with QSC cinema subwoofers and surrounds for complete small-room systems. For smaller rooms up to 35 feet, see the QSC SC-1120.

Key Features

• Single-enclosure two-way design — A 15-inch woofer and HF compression driver are combined in one cabinet to simplify behind-screen installation.
• Optimized for small auditoriums — Engineered for cinemas up to 45 feet (14 m) from screen to the last row of seating.
• Shallow behind-screen depth — Requires less than 12 inches (305 mm) of depth behind the screen for tight installations.
• 90° axisymmetric horn — Provides controlled, even high-frequency coverage across the seating area.
• Passive crossover, single amplifier channel — A passive crossover lets the SC-1150 run from a single amplifier channel.
• Reflection-reducing baffle — The front baffle is treated with sound-absorbing material to reduce behind-screen acoustic reflections.
• Secure barrier-strip connectors — Screw-type barrier-strip connectors provide reliable, serviceable terminations.

Typical Applications

• Auditorium
• Broadcast studio
• Multi-purpose room

Technical Specifications

Frequently Asked Questions

How deep does the SC-1150 need to be behind the screen?
It requires less than 12 inches (305 mm) of depth behind the screen, making it suitable for shallow behind-screen spaces.

What auditorium size is it intended for?
It is optimized for small cinema rooms up to 45 feet (14 m) from the screen to the last row of seating.

Does it reduce behind-screen reflections?
Yes. The front baffle is treated with sound-absorbing material to reduce acoustic reflections behind the screen.

What warranty and support come with this loudspeaker?
QSC installed loudspeakers are covered under QSC's standard limited warranty; refer to QSC's published warranty terms for the current coverage period applicable to this model. Creation Networks provides pre- and post-sale support for system design and integration questions.

Explore related QSC products at Creation Networks, including the QSC SC-1120.