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Product Summary


  • 4.5" Paper Cone Woofer

  • 0.75" Aluminum Dome Tweeter

  • 70 Hz to 20 kHz Frequency Range

  • 70/100V Transformer with 16-Ohm Bypass



  • 4.5" Paper Cone Woofer

  • 0.75" Aluminum Dome Tweeter

  • 70 Hz to 20 kHz Frequency Range

  • 70/100V Transformer with 16-Ohm Bypass

  • Directivity Matched Transition Waveguide

  • Snap-Fit Magnetic Grille

  • 3x Double Stepped Blind Mount System

  • Removable Conduit Cover Plate









Elevate your audio environment with the dual set of RAL 9010 white AcousticDesign 4.5" 2-Way, Low-Profile Ceiling Loudspeakers by QSC. Meticulously engineered for both foreground and background sound enhancement needs, these speakers are equipped with a versatile 70/100V multi-tap transformer that can seamlessly transition to 16-Ohm speaker systems when needed. Each unit showcases a superior 4.5" weather-treated paper cone woofer, complemented by a 1" voice coil and a 0.75" aluminum dome tweeter, thoughtfully positioned on a DMT waveguide for optimal sound dispersion. Perfectly suited for spaces like restaurants, retail establishments, educational institutions, airports, and train stations, these speakers enhance sound quality to create an immersive auditory experience.






QSC AcousticDesign 4.5" 2-Way, Low-Profile Ceiling Loudspeaker (Pair, White)

SKU: ADC4TLP | UPC: 684284067548
Authorized Dealer Authorized QSC Dealer
Manufacturer Warranty Authorized dealer coverage
Expert Support Pre- and post-sale assistance

$218.00

BACK 2 SCHOOL SALE | additional discount in cart
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QSC AcousticDesign 4.5" 2-Way, Low-Profile Ceiling Loudspeaker (Pair, White) $218.00
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

Key Features

  • <ul class="list_OMS5rN7R1Z">\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">4.5" Paper Cone Woofer</li>\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">0.75" Aluminum Dome Tweeter</li>\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">70 Hz to 20 kHz Frequency Range</li>\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">70/100V Transformer with 16-Ohm Bypass</li>\n</ul>

Technical Details

Specifications

Inputs
• Euroblock connector with parallel output
General

QSC AD-C4T Specs

Low Frequency Transducer
4.5" / 114 mm weather-treated paper cone woofer
High Frequency Transducer
0.75" / 19 mm aluminum dome tweeter
Frequency Response
70 Hz - 20 kHz
Power Handling
30 W / 22 V (RMS)
Sensitivity
87 dB at 1 W, 3.3' / 1 m
Coverage
150° conical DMT at -6 dB
Directivity Factor
4.5
Directivity Index
6.5 dB
Maximum SPL
Continuous: 102 dB Peak: 108 dB
Nominal Impedance
16 Ohms
Recommended Amplifier Power
60 W
Transformer Taps
Bypass: 16 Ohms 3.75 W (70 V), 7.5 W (100 V), Tap: 1333 Ohms 7.5 W (70 V), 15 W (100 V), Tap: 667 Ohms 15 W (70 V), 30 W (100 V), Tap: 333 Ohms 30 W (70 V), N/A (100 V), Tap: 167 Ohms
Input Interface
Euroblock connector with parallel output
Enclosure
ABS baffle on powder-coated steel back can
Grille
Powder-coated steel
IP Rating
IP34, for indoor use
Safety
UL1480, UL2043, NFPA90, NFPA70 suitable for use in air handling spaces Transformer UL registered per UL1876, ROHS, CE compliant Baffle meets UL94-V0 and UL94-5VB flammability rating; in accordance with IEC60849/EN60849 systems
Operating Temperature
-4 to 122°F / -20 to 50°C
Cutout Diameter
9.65" / 245 mm
Dimensions
11.02 x 3.93" / 28 x 10 cm
Weight
6.6 lb / 3 kg
Packaging Info
Package Weight
22 lb
Box Dimensions (LxWxH)
27.5 x 15 x 7.5"
1552303403_1459277
QSC

QSC AcousticDesign 4.5" 2-Way, Low-Profile Ceiling Loudspeaker (Pair, White)

$218.00

Brightness

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Weight without stand

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Content

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Native Resolution

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Lumens (ANSI)

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Contrast Ratio

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Throw Distance

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Lens

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Inputs

Euroblock connector with parallel output

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Outputs

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Display Technology

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Wireless Networking

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Speakers

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Economode

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Audible Noise

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Lamp Life

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Short Throw

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Aspect Ratio

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Image Size Diagonal

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Lens Shift

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Data / Video Signals

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Digital Keystone

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Unit Weight

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Projector Methods

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Dimensions (WxDxH)

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Dimensions (WxDxH)

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Contrast Ratio

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Viewing Angle

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Response Time

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Sound Output

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Screen Size

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Monitor Configuration

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Display Orientation

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WiFi

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Communication Port

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Refresh Rate

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General

<div class="title_PCPNqBQRJv">
<h2 class="text_TAw0W35QK_ comfy_TAw0W35QK_ sizeTitle1_TAw0W35QK_ weightNormal_TAw0W35QK_ primary_i3MsQsqoe0" data-selenium="specsItemTitle">QSC AD-C4T Specs</h2>
</div>
<div class="group_fDXOr6EpR9">
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv firstSpecWhenNoGroupName_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Low Frequency Transducer</td>
<td class="value_KqJ3Q3GPKv firstSpecWhenNoGroupName_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">4.5" / 114 mm weather-treated paper cone woofer</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">High Frequency Transducer</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">0.75" / 19 mm aluminum dome tweeter</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Frequency Response</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">70 Hz - 20 kHz</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">30 W / 22 V (RMS)</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">87 dB at 1 W, 3.3' / 1 m</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Coverage</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">150° conical DMT at -6 dB</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Directivity Factor</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">4.5</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Directivity Index</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">6.5 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">Continuous: 102 dB
Peak: 108 dB</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Nominal Impedance</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">16 Ohms</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">60 W</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Transformer Taps</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Bypass: 16 Ohms
3.75 W (70 V), 7.5 W (100 V), Tap: 1333 Ohms
7.5 W (70 V), 15 W (100 V), Tap: 667 Ohms
15 W (70 V), 30 W (100 V), Tap: 333 Ohms
30 W (70 V), N/A (100 V), Tap: 167 Ohms</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Input Interface</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Euroblock connector with parallel output</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Enclosure</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">ABS baffle on powder-coated steel back can</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Grille</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Powder-coated steel</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">IP Rating</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">IP34, for indoor use</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Safety</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">UL1480, UL2043, NFPA90, NFPA70 suitable for use in air handling spaces
Transformer UL registered per UL1876, ROHS, CE compliant
Baffle meets UL94-V0 and UL94-5VB flammability rating; in accordance with IEC60849/EN60849 systems</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>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Cutout Diameter</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">9.65" / 245 mm</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">11.02 x 3.93" / 28 x 10 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">6.6 lb / 3 kg</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">22 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">27.5 x 15 x 7.5"</div></td>
</tr>
</tbody>
</table>
</div>

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VESA Pattern

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TAA Compliant

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PDF Documents

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Sensor

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Resolution

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Signal Sysyetm

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Signal To Noise Ratio

N/A

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Gain

N/A

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Shutter Speed Range

N/A

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Exposure Control

N/A

N/A

White Balance

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N/A

Image Stabilization

N/A

N/A

Image Flip

N/A

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ICR

N/A

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Sync

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Output

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Audio Input

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Audio

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Camera Control

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Focal Length

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Minimum Object Distance

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N/A

Pan Angle

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Tilt Angle

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N/A

Pan Speed

N/A

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Tilt Speed

N/A

N/A

Presets

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Operating Temperature

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Power

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Power Consumption

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Minimum Illumination

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Optical Zoom

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TAA Compliant

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