QSC AD-C4T-LP 4.5-Inch 2-Way Low-Profile Ceiling Speaker, White, Pair

4.5 in, 2-way, low profile, 150° conical DMT

Key Features

• Consistent tonal characteristics across the entire AcousticDesign family in both surface or ceiling applications
• DMT (Directivity Matched Transition) waveguide ensures smooth, uniform frequency response over the coverage area
• Snap-fit magnetic grille
• 3x double stepped, long travel dog-ear blind mount system
• Advanced Intrinsic Correction voicings available via Q-SYS Ecosystem and CXD processing amplifiers
• Low-saturation and low-loss 70/100V transformers with 16OHM bypass
• Blemish-free removable logo
• Removable conduit cover plate, also available as accessory for pre-install wiring
• UL1480 and UL2043 certified
• Available in white (RAL 9010)

Technical Specifications

Effective frequency range
70 Hz - 20 kHz
Rated noise power / voltage
30 watts / 22 volts (rms)
Sensitivity [dB]
87
Rated coverage (-6 dB)
150° conical DMT
Directivity factor (Q)
4.5
Directivity index (DI) [dB]
6.5
Maximum continuous SPL [dB]
102
Maximum peak SPL [dB]
108
Nominal impedance [ohms]
16
Recommended amplifier
60 watts
Transformer taps / impedance
16OHM (in bypass setting)
3.75W (70V); 7.5W (100V) Tap: 1333OHM
7.5W (70V); 15W (100V) Tap: 667OHM
15W (70V); 30W (100V) Tap: 333OHM
30W (70V); N/A (100V) Tap: 167OHM
LF transducer
114 mm [4.5-inch] weather resistant paper cone woofer
HF transducer
19 mm [0.75-inch] aluminum dome tweeter
Input connector type
Euroblock connector with parallel output
Enclosure material
ABS baffle on powder coated steel back can
Grille material
Powder coated steel
Ingress protection
IP-34
Operating environment
Designed for indoor use
Operating temperature range
-20 to 50° C [-4 to 122° F]
Cutout dimension
245 mm [9.65-inch]
Net weight
3 kg [6.6 lb]
Product dimensions (Diameter x Height)
280 x 100 mm [11.02 x 3.93-inch]
Shipping weight
10.2 kg [22.5 lb] (pair packed)
Shipping dimensions (H x W x D)
183 x 699 x 394mm [7.2 x 27.5 x 15.5-inch](pair packed)
Included accessories
C-ring and tile rails, rail screws, euroblock connector, cut-out template, tether grille
Optional accessories
AD-MR6 (pre-install mud ring)
AD-CC6 (pre-install conduit cover)
Safety Agency
UL1480, UL2043, NFPA90, NFPA70 suitable for use in air handling spaces. Transformer UL registered per UL1876, ROHS, C-Tick X000, CE compliant. Baffle meets UL94-V0 and UL94-5VB flammability rating; in accordance with IEC60849 / EN60849 systems.