Product Summary


  • 4" Woofer and 1" Aluminum Dome Tweeter

  • 16W RMS Power Handling

  • 130° Conical Coverage

  • 103 dB Peak Maximum SPL

  • 70 Hz to 20 kHz Frequency Range

  • Low-Saturation Multi-Tap Transformer

  • Supports 70V, 100V, or 8-Ohm Operation

  • Euroblock Connector for Easy Wiring

  • Includes Yoke Mount System








Introducing the AcousticCoverage Series QSC AC-S4T in a sleek black finish. This pair of transformer-equipped 4" surface-mount loudspeakers is masterfully tuned to elevate vocal clarity, catering to a spectrum of applications. Whether it's for 70/100V systems or 8-ohm operation, these speakers effortlessly adapt to your needs, seamlessly integrating into scenarios ranging from paging and A/V conferencing to background music applications.








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

SKU: ACS4TBK
Authorized Dealer Authorized QSC Dealer
Manufacturer Warranty Authorized dealer coverage
Expert Support Pre- and post-sale assistance

$136.00

BACK 2 SCHOOL SALE | additional discount in cart
Request a Quote
QSC AC-S4T AcousticCoverage Series 4" 2-Way 16W Loudspeaker (Pair, Black) $136.00
In Stock Current availability for this model
Free Ground Shipping On qualifying orders to the lower 48 states
Project & Volume Pricing Special pricing available for larger orders
Education & Government Purchase Orders Accepted for qualified organizations
Financing Available with Shop Pay
Special Pricing Available Education • Government • Nonprofits • Corporate • Volume Orders
✓ Tax-Exempt Purchasing Available

Technical Details

Specifications

Inputs
• 1 x Block 4-Pole Speaker Input/Thru (Removable)
General
Speaker
Active or Passive
Passive
Number of Included Speakers
2
Speaker Configuration
2-Way
Power Handling
For 2 Hours: 16 W RMS
Recommended Amplifier Power
32 W
Constant Voltage / Transformer Taps
70 V: 16 / 8 / 4 / 2 / 1 W or 8 Ohms Bypass 100 V: 16 / 8 / 4 / 2 W or 8 Ohms Bypass
Impedance
8 Ohms (Transformer Bypassed)
Transformer Wattage
16 W
Enclosure Type
Bass-Reflex
Shielded
No
Drivers
HF Driver
1 x 1" / 2.54 cm Aluminum Dome Tweeter
HF Voice Coil
1" / 2.54 cm
LF Driver
1 x 4" / 10.16 cm Polypropylene Woofer
LF Voice Coil
1" / 2.54 cm
Performance
Frequency Range
70 Hz to 20 kHz -10 dB
Maximum SPL
97 dB (Continuous) 103 dB (Peak)
Sensitivity
85 dB SPL
Coverage Angle
130° (Conical)
Directivity
6 (Directivity/Q Factor) 8 dB (Directivity Index)
Maximum Input Voltage
11.3 V RMS
Connectivity
I/O
1 x Block 4-Pole Speaker Input/Thru (Removable)
Maximum Wire Gauge
18 AWG
Environmental
Environmental Protection
Advertised as Weather Resistant *Manufacturer Testing: IP44
Operating Temperature
-4 to 122°F / -20 to 50°C
Physical
Color
Black
Mounting
1 x Bracket Point (Each Side)
Construction Material
ABS, Metal Grille
Dimensions
9.1 x 6.3 x 5.9" / 23.11 x 16 x 14.99 cm
Weight
5.3 lb / 2.4 kg (Each Speaker)
Packaging Info
Package Weight
12 lb
Box Dimensions (LxWxH)
14 x 11 x 8"
QSC AC-S4T AcousticCoverage Series 4 2-Way 16W Loudspeaker (Pair, Black)
QSC

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

$136.00

Brightness

N/A

N/A

Weight without stand

N/A

N/A

Weight with Stand

N/A

N/A

Duty Cycle

N/A

N/A

Dimensions

N/A

N/A

Aspect Ratio

N/A

N/A

Content

N/A

N/A

Native Resolution

N/A

N/A

Lumens (ANSI)

N/A

N/A

Contrast Ratio

N/A

N/A

Throw Distance

N/A

N/A

Lens

N/A

N/A

Inputs

1 x Block 4-Pole Speaker Input/Thru (Removable)

N/A

Outputs

N/A

N/A

Display Technology

N/A

N/A

Wireless Networking

N/A

N/A

Speakers

N/A

N/A

Economode

N/A

N/A

Audible Noise

N/A

N/A

Lamp Life

N/A

N/A

Short Throw

N/A

N/A

Aspect Ratio

N/A

N/A

Image Size Diagonal

N/A

N/A

Lens Shift

N/A

N/A

Data / Video Signals

N/A

N/A

Digital Keystone

N/A

N/A

Unit Weight

N/A

N/A

Projector Methods

N/A

N/A

Dimensions (WxDxH)

N/A

N/A

Dimensions (WxDxH)

N/A

N/A

Contrast Ratio

N/A

N/A

Viewing Angle

N/A

N/A

Response Time

N/A

N/A

Sound Output

N/A

N/A

Screen Size

N/A

N/A

Monitor Configuration

N/A

N/A

Display Orientation

N/A

N/A

WiFi

N/A

N/A

Communication Port

N/A

N/A

Refresh Rate

N/A

N/A

General

<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9 firstGroupInItem_fDXOr6EpR9" data-selenium="specsItemGroupName">Speaker</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Active or Passive</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Passive</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Number of Included Speakers</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">2</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Speaker Configuration</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">2-Way</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Power Handling</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>For 2 Hours:</b>
16 W RMS</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Recommended Amplifier Power</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">32 W</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Constant Voltage / Transformer Taps</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>70 V:</b>
16 / 8 / 4 / 2 / 1 W or 8 Ohms Bypass
<b>100 V:</b>
16 / 8 / 4 / 2 W or 8 Ohms Bypass</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Impedance</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">8 Ohms (Transformer Bypassed)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Transformer Wattage</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">16 W</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Enclosure Type</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Bass-Reflex</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Shielded</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">No</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Drivers</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">HF Driver</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>1" / 2.54 cm Aluminum Dome Tweeter</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">HF Voice Coil</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1" / 2.54 cm</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">LF Driver</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>4" / 10.16 cm Polypropylene Woofer</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">LF Voice Coil</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1" / 2.54 cm</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Performance</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Frequency Range</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">70 Hz to 20 kHz -10 dB</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Maximum SPL</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">97 dB (Continuous)
103 dB (Peak)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Sensitivity</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">85 dB SPL</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Coverage Angle</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">130° (Conical)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Directivity</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">6 (Directivity/Q Factor)
8 dB (Directivity Index)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Maximum Input Voltage</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">11.3 V RMS</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Connectivity</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">I/O</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>Block 4-Pole Speaker Input/Thru (Removable)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Maximum Wire Gauge</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">18 AWG</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Environmental</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Environmental Protection</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Advertised as Weather Resistant
*Manufacturer Testing: IP44</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Operating Temperature</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">-4 to 122°F / -20 to 50°C</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Physical</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Color</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Black</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Mounting</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>Bracket Point (Each Side)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Construction Material</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">ABS, Metal Grille</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Dimensions</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">9.1 x 6.3 x 5.9" / 23.11 x 16 x 14.99 cm</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Weight</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">5.3 lb / 2.4 kg (Each Speaker)</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Packaging Info</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Package Weight</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">12 lb</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Box Dimensions (LxWxH)</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">14 x 11 x 8"</div></td>
</tr>
</tbody>
</table>
</div>

N/A

VESA Pattern

N/A

N/A

TAA Compliant

N/A

N/A

PDF Documents

N/A

N/A

Diagonal Size

N/A

N/A

Dimensions

N/A

N/A

Aspect Ratio

N/A

N/A

Sensor

N/A

N/A

Resolution

N/A

N/A

Signal Sysyetm

N/A

N/A

Signal To Noise Ratio

N/A

N/A

Gain

N/A

N/A

Shutter Speed Range

N/A

N/A

Exposure Control

N/A

N/A

White Balance

N/A

N/A

Image Stabilization

N/A

N/A

Image Flip

N/A

N/A

ICR

N/A

N/A

Sync

N/A

N/A

Output

N/A

N/A

Audio Input

N/A

N/A

Audio

N/A

N/A

Camera Control

N/A

N/A

Focal Length

N/A

N/A

Minimum Object Distance

N/A

N/A

Pan Angle

N/A

N/A

Tilt Angle

N/A

N/A

Pan Speed

N/A

N/A

Tilt Speed

N/A

N/A

Presets

N/A

N/A

Operating Temperature

N/A

N/A

Power

N/A

N/A

Power Consumption

N/A

N/A

Minimum Illumination

N/A

N/A

Optical Zoom

N/A

N/A

TAA Compliant

N/A
View product

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