Hero View of the AcousticDesign Series In-Ceiling Speakers

AcousticDesign™ ceiling loudspeakers offer a variety of models specifically tailored for demands of higher fidelity applications. Designed for clarity and presence, these loudspeaker systems deliver pristine audio reproduction for installations requiring a refined audio experience.

Certified for Microsoft Teams

SELECT A MODEL

Small Format (4.5")

  AD-C4T AD-C4T-ZB AD-C4T-LP AD-C4T-LPZB
Systems Type 2-way 2-way 2-way, shallow can 2-way, shallow can
Bezel-less Design - -
Frequency Range,
-10dB(Hz)
70Hz–20kHz
Nominal Coverage 150° conical DMT™
Output (PeakSPL@1M) 108 dB
Rated noise power¹ 30
Sensitivity² 87.5 dB 87.5 dB 87 dB 87.5 dB
LF Driver 4.5in (114mm)
HF Driver 0.75in (19mm)
Transformer Taps 70V:30,15,7.5,3.75W
and 16 bypass
100V:30,15,7.5W
and 16 bypass
Input Connectors Euroblock connector with
parallel output terminals
Dimensions (W x D)
inches
9.06 x 6.94 9.06 x 6.94 11.02 x 3.93 11.02 x 3.93
Dimensions (W x D)
mm
230 x 176 230 x 176 280 x 100 280 x 100
Net Weight 6.4lb (2.9kg) 6.4lb (2.9kg) 6.6lb (3kg) 6.6lb (3kg)
  Details Details Details Details

¹ Continuous IEC specified test signal, 2 hours unless otherwise stated.
² Transformer Bypassed, 1w, 1m, 2π (infinite baffle), 200-10kHz average, on axis.


All specifications are subject to change without notice.

Small Format (6.5")

  AD-C6T AD-C6T-ZB AD-C6T-LP AD-C6T-LPZB AD-C6T-HC AD-C6T-HP
Systems Type 2-way 2-way 2-way, shallow can 2-way, shallow can 2-way 2-way
Bezel-less Design - - - -
Frequency Range,
-10dB(Hz)
65Hz–20kHz 65Hz–20kHz 65Hz–20kHz 65Hz–20kHz 45Hz–20kHz 58Hz–20kHz
Nominal Coverage 140° conical DMT™ 140° conical DMT™ 140° conical DMT™ 140° conical DMT™ 75° conical 120° conical
Output (PeakSPL@1M) 112 dB 112 dB 112 dB 112 dB 116 dB 115 dB
Rated noise power¹ 60 60 60 60 120 W 120 W
Sensitivity² 88 dB 88 dB 88 dB 88 dB 90 dB 89 dB
LF Driver 6.5in (165mm)
HF Driver 0.75in (19mm) 0.75in (19mm) 0.75in (19mm) 0.75in (19mm) 1.4in (35.6mm) 1.4in (35.6mm)
Transformer Taps 70V:60,30,15,7.5W
and 16 bypass
100V:60,30,15W
and 16 bypass
Input Connectors Euroblock connector with parallel output terminals
Dimensions (W x D)
inches
11.02 x 9.32 11.02 x 9.32 13.37 x 3.95 13.37 x 3.95 12 x 13.4 x 13.4 9.3 x 11 x 11
Dimensions (W x D)
mm
280 x 237 280 x 237 340 x 100 340 x 100 313 x 340 x 340 235 x 280.5 x 280.5
Net Weight 9.5lb (4.3kg) 9.5lb (4.3kg) 9.3lb (4.2kg) 9.3lb (4.2kg) 19 lb (8.58 kg) 13.39 lb (6.07 kg)
  Details Details Details Details Details Details

¹ Continuous IEC specified test signal, 2 hours unless otherwise stated.
² Transformer Bypassed, 1w, 1m, 2π (infinite baffle), 200-10kHz average, on axis.


All specifications are subject to change without notice.

Large Format

  AD-C820 AD-C821 AD-C1200
System Type 2-way ported
Frequency Range,
-10 dB (Hz)
52 Hz - 18 kHz 37 Hz - 18 kHz
Nominal Coverage 90° conical
Power Capacity1  200 W (100 hrs) 300 W (100 hrs)
Sensitivity2  91 dB 93 dB
LF Driver  8" weather resistant,
treated paper cone woofer
 12" weather resistant,
treated paper cone woofer,
75 mm voice coil, ferrite magnet
HF Driver 1.4" co-axial
compression driver 
1.75" co-axial compression driver
Controls / Selectors  70 V: 100, 50, 25, 12.5 W
100 V: 100, 50, 25 W
16Ω Externally Selectable
 70 V: 150, 75,
37.5 W
100 V: 150, 75, 37.5, 18.2 W
16Ω Internally Selectable 
Input Connectors AD-C820: Ceramic block 
AD-C821: 4-pin Euro terminals
Fire protective sub-chamber
 Ceramic block terminals
Fire protective sub-chamber 
Suspension /
Attachment Point
AD-C820: Pre-installed back box with 4 mounting straps
AD-C821: Captive, integral mounting clamps 
Pre-installed back box with 4 mounting tabs 
Dimensions (HWD)
inches
14.9 x 14.9 x 8.3 23 x 18 x 15.5
Dimensions (HWD)
mm
379 x 379 x 211 584 x 454 x 393
Net Weight 17.5 lb / 7.9 kg 78 lb / 35.3 kg
  Details Details Details

1 Continuous IEC specified test signal, 2 hours unless otherwise stated.
2 Based on nominal impedance, measured in full space. 1 W @ 1 m.


All specifications are subject to change without notice.

SUB/SAT

  AD-C.SUB AD-C.SAT
Systems Type Subwoofer Satellite loudspeaker
Frequency Range,
-10dB(Hz)
45 Hz - 150 Hz 150 Hz - 20 kHz
Nominal Coverage N/A 170° Conical
Output (Peak SPL @ 1M) 106 dB 96 dB
Rated noise power  100 W 25 W
Sensitivity 86 dB 82 dB
LF Driver 6.5 in (165 mm)
dual voice-coil 
N/A
HF Driver N/A 2.75 in (70 mm)
Transformer Taps 70 V : 100, 50, 25, 12.5 W and 4 Ω bypass
100V : 100, 50, 25 W and 4 Ω bypass
16 Ω
Connectors Mono Input: 4-pole Euroblock with thru output
Hi-Pass Mono Output: x2 4-Pole Euroblock for x4 satellites
2-pole Euroblock 
Dimensions (W x D) inches Ø13.4 x 10 Ø5.9 x 3.4
Dimensions (W x D) mm Ø340 x 254 Ø150 x 86
Net Weight 19.2 lb (8.7 kg) 1.39 lb (0.6 kg)
  Details Details

All specifications are subject to change without notice

Subwoofer

  AD-C81Tw
System Type Ported subwoofer
Frequency Range, -10 dB (Hz) 28 Hz - 208 Hz
Nominal Coverage N/A
Power Capacity1 100 W (100 hrs)
Sensitivity2 92 dB
LF Driver 8" weather resistant,
polypropylene cone woofer,
rubber surround
HF Driver N/A
Controls / Selectors 70 V: 60, 30, 15, 7.5 W
100 V: 60, 30, 15 W
8Ω Externally Selectable
Input Connectors Ceramic block or 4-pin Euro terminals,
fire protective sub-chamber
Suspension/Attachment Point N/A
Dimensions (W x D) inches 12.6 x 14.5
Dimensions (W x D) mm 321 x 368
Net Weight 20 lb / 9.1 kg
  Details

1 Continuous IEC specified test signal, 2 hours unless otherwise stated.
2 Based on nominal impedance, measured in full space. 1 W @ 1 m.


All specifications are subject to change without notice.

Accessories

  Mud Ring New Construction Ring Full Capture Marine Grill/Collar Black Ceiling Grille Zero Bezel Collar
AD-C4T AD-MR4  - - - -
AD-C4T-ZB AD-MR4 - - - -
AD-C4T-LP AD-MR6  - AD-MC245
AD-MG245
- -
AD-C4T-LPZB AD-MR6 - - AD-C254BG -
AD-C6T AD-MR6  - AD-MC245
AD-MG245
- -
AD-C6T-ZB AD-MR6 - - AD-C254BG  -
AD-C6T-LP AD-MR8  - - - -
AD-C6T-LPZB AD-MR8 - - AD-C305BG -
AD-C820  - - - - -
AD-C821  ADC-MRS ADC-NCS - - -
AD-C1200 - - - - -
AD-C81Tw ADC-MRS ADC-NCS - - -
AD-C6T-HP AD-MR6 - - AD-C254BG AD-C245C
AD-C6T-HC AD-MR8 - - AD-C305BG AD305C