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4.5" Two-way ceiling speaker, 70/100v transformer with 16? bypass, 150° conical DMT coverage, includes C-ring and rails for blind mount installation, Ø195mm cut-out. Available in black. Priced individually but must be purchased in pairs.


4.5-inch, 2-way, 150° conical DMT



  • 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 16? bypass
  • Blemish-free removable logo
  • Removable conduit cover plate, also available as accessory for pre-install wiring
  • UL1480 and UL2043 certified EN54-24 Type A
  • Available in black (RAL 9011) or white (RAL 9010)
  • Complete EASE, CF2, CAD, & BIM information available online



Effective frequency range1

70 Hz – 20 kHz

Rated noise power / voltage2

30 watts / 22 volts (rms)

Sensitivity [dB]3

Sensitivity at 4m,
100V maximum tap



Rated coverage (-6 dB)4

150° conical DMT

Directivity factor (Q)4


Directivity index (DI) [dB]4


Maximum continuous SPL [dB]5


Maximum peak SPL [dB]5


Nominal impedance [ohms]


Recommended amplifier

60 watts

Transformer taps / impedance

16? (in bypass setting)
3.75W (70V); 7.5W (100V) Tap: 1333?
7.5W (70V); 15W (100V) Tap: 667?
15W (70V); 30W (100V) Tap: 333?
30W (70V); N/A (100V) Tap: 167?

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


Operating environment

Designed for indoor use

Operating temperature range

-20 to 50° C [-4 to 122° F]

Cutout dimension

Ø 195 mm [Ø 7.68-inch]

Net weight

2.9 kg [6.4 lb]

Product dimensions (Diameter x Height)

Ø 230 x 176 mm [Ø 9.06 x 6.93-inch]

Shipping weight

9.3 kg [20.5 lb] (pair packed)

Shipping dimensions (H x W x D)

279 x 711 x 318 mm [11 x 28 x 12.5-inch] (pair packed)

Included accessories

C-ring and tile rails, rail screws, euroblock connector, cut-out template, grille

Optional accessories

AD-MR4 (pre-install mud ring)
AD-CC4 (pre-install conduit cover)

Safety Agency

EN54-24: 2008 type A (No. pending)
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.


1 Half Space, -10dB from on-axis sensitivity
2IEC60268-5 50hz high passed noise at 2 Hrs, 16?
Free-field, on-axis, 2.83V, 1m
4-6 dB from on-axis, 500 Hz–5 kHz average
5Calculated from rated noise voltage and sensitivity

Synchrony Financial

Progressive Leasing

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