QSC AC-S4T-BK 4" 2-Way AcousticCoverage Loudspeakers (Pair, Black)

QSC AC-S4T-BK 4" 2-Way AcousticCoverage Loudspeakers (Pair, Black)

QSC AC-S4T-BK 4" 2-Way AcousticCoverage Loudspeakers (Pair, Black)

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Expected availability: 2-4 weeks

This item is noncancelable and nonreturnable.

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QSC AC-S4T-BK overview

  • 1Description

This pair of black AC-S4T-BK AcousticCoverage Loudspeakers from QSC is a set of surface mounted 4" two-way loudspeakers with 70/100V transformers, suitable for voice paging and background music sound reinforcement applications.

Each loudspeaker features a 4" polypropylene cone transducer with a butyl rubber surround and a 1" aluminum dome tweeter designed to offer clarity through the critical vocal range for increased speech intelligibility. With 130° of conical coverage, the AC-S4T-BK reduces the number of loudspeakers required for even coverage in close proximity.

The UV treated high-impact ABS enclosure and ported baffle assembly has been optimally tuned for added musicality, creating low frequency extension down to 70 Hz. The AC-S4T-BK utilizes a 16W low-saturation and low-loss 70/100V transformer with varying selectable taps, including an 8-ohm bypass to maintain this frequency response.

Advanced voicing via QSC Intrinsic Correction techniques are obtainable using Q-Sys networked audio processing platforms, including CXD amplifiers for a complete QSC systems solution. The loudspeaker features a 4-pole Euroblock connector for loop thru wiring, located on the rear of the enclosure. The Euroblock can accept four 18AWG pairs.

The AC-S4T-BK features brass inserts to accept the included yoke mount, and it is secured using the supplied thumb bolts. The grille has a spring loaded and rotatable logo for installation convenience in either horizontal or vertical deployments. To assist in successful systems integration, complete EASE, CAD, and BIM files are available for download online.

High quality transducers provide clarity through the critical voice range
Ported baffle for increased low frequency extension down to 70 Hz
Low saturation 70/100V transformers with 8 ohm bypass
4-pole Euroblock connector eases system wiring
Advanced voicing via QSC Intrinsic Correction, applied using Q-Sys processing or CXD amplifier platforms
Complete EASE, CAD & BIM information available online
UPC: 684284066848
In the Box
QSC AC-S4T-BK 4" 2-Way AcousticCoverage Loudspeakers (Pair, Black)
  • Yoke Mount System
  • Euroblock Connector
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    QSC AC-S4T-BK specs

    Frequency Range 70 Hz to 20 kHz
    Noise Power 16 W/11.3 V rms
    Broadband Noise 85 dB SPL
    Coverage Angle 130° conical, 500 Hz to 5 kHz @ -6 dB
    Directivity Factor 6
    Directivity Index 8 dB
    Maximum SPL Continuous: 97 dB
    Peak: 103 dB
    Rated Impedance 8 ohms
    Recommended Amplifier Power 32 W into 8 ohms
    Transformer Taps 70 V: 16, 8, 4, 2, 1 W
    100 V: 16, 8, 4, 2 W
    8 ohms bypass
    Low Frequency Transducer 4" (100 mm) Polypropylene woofer with 1" (25 mm) voice coil
    High Frequency Transducer 1" (25 mm) Aluminum dome tweeter with 1" (25 mm) voice coil
    Input Connection Type Euroblock connector with parallel output
    Enclosure Material UV treated, high impact ABS polymer
    Grille Material Powder-coated steel
    Yoke Material Powder-coated steel with brass inserts
    Enclosure Characteristics Ingress Protection: IP-44
    Operating environment: Designed for indoor use
    Operating Temperature: -4 to 122°F (-20 to 50°C)
    Dimensions 9.1 x 6.3 x 5.9" (230 x 160 x 150 mm)
    Weight 5.3 lb (2.4 kg)
    Packaging Info
    Package Weight 12.0 lb
    Box Dimensions (LxWxH) 14.0 x 11.0 x 8.0"

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