QSC AC-S4T-BK AcousticCoverage Series 4 Inch 2-Way 16W Loudspeaker (Pair, Black)

QSC

$310.00
Part Number:
QSC-AC-S4T-BK
Condition:
New
Availability:
3-5 Days
1:
16W RMS Power Handling
2:
103 dB Peak Maximum SPL
3:
70 Hz to 20 kHz Frequency Range
4:
Includes Yoke Mount System
5:
Free USA Shipping
6:
QSC Factory Warranty
8:
Ships with the Latest Firmware
9:
Save 5% w/Check or Wire Transfer
10:
International Shipping - Call
11:
QSC Certified

The QSC AC-S4T-BK AcousticCoverage Series 4-Inch 2-Way 16W Loudspeaker (Pair, Black) is a pair of transformer-equipped surface-mount loudspeakers designed to deliver enhanced vocal clarity and musicality. Supporting 70V, 100V, and 8-ohm operation, these speakers are suitable for paging, A/V conferencing, and background music applications.

Each speaker features a 4-inch polypropylene woofer and a 1-inch aluminum dome tweeter in a UV-treated ABS enclosure with a ported baffle. The 130-degree conical coverage helps provide consistent sound distribution, while the frequency range extends from 70 Hz to 20 kHz at -10 dB.

The AC-S4T-BK supports 16W RMS power handling and delivers a maximum peak SPL of 103 dB. Its low-loss transformer includes selectable 70V and 100V taps, along with an 8-ohm bypass option.

A removable 4-pole Euroblock connector supports speaker input and loop-through wiring. An included yoke bracket simplifies surface-mount installation.

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QSC AC-S4T-BK Features

  • Clear Vocal Reproduction: High-quality transducers enhance clarity in the critical voice range while delivering musicality for background audio.
  • Two-Way Speaker Design: A 4-inch polypropylene woofer with a butyl rubber surround works with a 1-inch aluminum dome tweeter.
  • Wide Sound Coverage: The 130-degree conical coverage helps reduce the number of loudspeakers required for even sound distribution.
  • Flexible Installation: A UV-treated ABS enclosure, ported baffle, transformer taps, 8-ohm bypass, removable 4-pole Euroblock connector, and included yoke bracket support a range of installation needs.
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QSC Certified Expertise

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HDTV Supply has QSC Level 1 certified expertise. Our team has completed QSC Level 1 Training, demonstrating foundational knowledge of the QSC platform, including system design, hardware and software, programming, and troubleshooting.

This training helps us provide knowledgeable product guidance when customers are selecting and deploying Q-SYS solutions. When you purchase Q-SYS products from HDTV Supply, you are working with a team that understands the Q-SYS platform and can help you make informed product and system decisions.

Why Buy the QSC AC-S4T-BK from HDTV Supply?

Choose HDTV Supply for QSC loudspeakers and professional AV solutions. Our team can help you find products that fit your installation requirements.

Contact HDTV Supply at 833-WOLFPACK for product assistance.

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Have a question about the QSC AC-S4T-BK AcousticCoverage Series loudspeakers? Contact our team for help with product specifications, compatibility, and installation requirements.

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QSC AC-S4T-BK Specifications

Speaker
Active/Passive Passive
Number of Included Speakers 2
Speaker Configuration 2-Way
Power Handling 16W RMS (for 2 hours)
Recommended Amplifier Power 32W
70V Transformer Taps 16W / 8W / 4W / 2W / 1W or 8-ohm bypass
100V Transformer Taps 16W / 8W / 4W / 2W or 8-ohm bypass
Impedance 8 Ohms (transformer bypassed)
Transformer Wattage 16W
Enclosure Type Bass-Reflex
Drivers
HF Driver 1 × 1-inch / 2.54 cm aluminum dome tweeter
HF Voice Coil 1 inch / 2.54 cm
LF Driver 1 × 4-inch / 10.16 cm polypropylene woofer
LF Voice Coil 1 inch / 2.54 cm
Performance
Frequency Range 70 Hz to 20 kHz (-10 dB)
Maximum SPL (Continuous) 97 dB
Maximum SPL (Peak) 103 dB
Sensitivity 85 dB SPL
Coverage Angle 130° conical
Directivity / Q Factor 6
Directivity Index 8 dB
Connectivity
Inputs/Outputs 1 × removable 4-pole block speaker input/thru
Maximum Wire Gauge 18 AWG
Physical
Environmental Resistance IP44 dust/water resistance
Operating Conditions -4 to 122°F / -20 to 50°C
Color Black
Mounting 1 bracket point on each side
Construction Material ABS enclosure, metal grille
Dimensions 9.1 × 6.3 × 5.9 inches / 23.11 × 16 × 14.99 cm
Weight 5.3 lb / 2.4 kg per speaker
Packaging Information
Package Weight 12 lb
Box Dimensions (L × W × H) 14 × 11 × 8 inches

QSC AC-S4T-BK Questions & Answers

The QSC AC-S4T-BK is a passive, two-way, 4-inch surface-mount loudspeaker pair designed for paging, A/V conferencing, and background music applications.

The package includes two passive loudspeakers.

The supplied specifications list 16W RMS power handling for a two-hour period and recommend a 32W amplifier.

Yes. The speaker includes transformer taps for both 70V and 100V distributed audio systems, as well as an 8-ohm bypass option.

For 70V operation, the listed taps are 16W, 8W, 4W, 2W, and 1W. For 100V operation, the listed taps are 16W, 8W, 4W, and 2W. Both configurations include an 8-ohm bypass option.

The specified frequency range is 70 Hz to 20 kHz at -10 dB.

The supplied specifications list a maximum continuous SPL of 97 dB and a peak SPL of 103 dB.

The AC-S4T-BK has a 130-degree conical coverage angle to help distribute sound across the listening area.

The speaker uses a removable 4-pole Euroblock connector that supports speaker input and loop-through wiring. The specified maximum wire gauge is 18 AWG.

The product description states that a yoke bracket is included to simplify surface-mount installation. Confirm the included hardware in the package documentation before installation.

Its specified applications include paging, audiovisual conferencing, and background music in commercial and professional audio environments.

Each speaker uses a 4-inch polypropylene woofer and a 1-inch aluminum dome tweeter in a two-way configuration.

Yes. The supplied specifications list an 8-ohm operating mode when the transformer is bypassed. Select the correct setting and follow the manufacturer's wiring instructions.

The supplied specifications list an IP44 rating and an operating range of -4°F to 122°F (-20°C to 50°C). Confirm the manufacturer's installation guidance and environmental limitations before using the speaker outdoors or in damp locations.

The Manuals tab provides links to the QSC AC-S4T-BK user manual and datasheet in PDF format.

QSC AC-S4T-BK Warranty

For warranty coverage, terms, and registration requirements for the QSC AC-S4T-BK AcousticCoverage loudspeakers, please confirm the applicable policy with HDTV Supply or QSC. Warranty terms have not been independently verified for this specific product in the supplied information.

For assistance, contact HDTV Supply at 833-WOLFPACK.

QSC AC-S4T-BK Customer Reviews

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