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QSC SB-1180 – Single 18-Inch Cinema Subwoofer

Regular price $1,040.00
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QSC  |  SKU: SB-1180

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Product Overview

The QSC SB-1180 is a single-18-inch behind-screen cinema subwoofer from the DCS Digital Cinema Series, developed to deliver extended low-frequency output for D-Cinema and E-Cinema in small-room applications. It brings QSC cinema bass to budget-conscious screening rooms and compact auditoriums.

With an enclosure depth of less than 12 inches, the SB-1180 is one of the narrowest cinema subwoofers available, dramatically reducing the space required behind the screen.

Product Description

QSC SB-1180 single 18-inch cinema subwoofer

The SB-1180 features a single 18-inch (457 mm) woofer with a 4-inch (102 mm) voice coil for extended-bandwidth low-frequency reproduction. Its shallow enclosure requires less than 12 inches (305 mm) of depth behind the screen, addressing the tight clearances common in small-room cinema installations.

Screw-type barrier-strip connectors provide secure, serviceable wiring. As part of the QSC DCS ecosystem, the SB-1180 pairs with QSC cinema screen channels and surround loudspeakers for complete small-room systems. For higher output, step up to the dual-18-inch QSC SB-2180.

Key Features

  • Single 18-inch cinema woofer — An 18-inch (457 mm) woofer with a 4-inch (102 mm) voice coil delivers extended-bandwidth low-frequency reproduction.
  • Optimized for small rooms — Engineered for the extended low-frequency requirements of D-Cinema or E-Cinema in small-room applications.
  • Ultra-shallow enclosure — Requires less than 12 inches (305 mm) of depth behind the screen for tight installations.
  • Secure barrier-strip connectors — Screw-type barrier-strip connectors provide reliable, serviceable terminations.

Typical Applications

  • Auditorium
  • Broadcast studio
  • Multi-purpose room

Technical Specifications

System type Single 18 in cinema subwoofer
Driver 18 in (457 mm) woofer, 4 in (102 mm) voice coil
Behind-screen depth Less than 12 in (305 mm)
Connectors Screw-type barrier strip
Series DCS Digital Cinema

Frequently Asked Questions

What size room is the SB-1180 designed for?
It is optimized for small-room cinema applications that still require extended low-frequency output for D-Cinema or E-Cinema.

How much space does it need behind the screen?
Less than 12 inches (305 mm), making it one of the narrowest cinema subwoofers available.

How does it integrate into a cinema system?
As part of the QSC DCS Series, it pairs with QSC cinema screen channels, surrounds, amplifiers, and processors for a complete system.

What warranty and support come with this subwoofer?
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.

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