2.75-inch Small Format Ceiling Satellite Loudspeaker

  • Front and angled view of the AD-C.SAT in-ceiling speaker
  • Front and side view of the AD-C.SAT in-ceiling loudspeaker without the speaker grill

The AD-C.SAT is part of the AcousticDesign™ Series SUB/SAT loudspeaker solution, which is ideally suited for background music applications that require depth and clarity even at lower volume settings. The AcousticDesign Series SUB/SAT loudspeakers are specifically designed to be mix-and-match capable; meaning any combination of satellites may be paired with any subwoofer in the AD Series SUB/SAT line.

Certified for Microsoft Teams


  • Inverted aluminum dome dust cap
  • Rated at 16 Ω
  • Locking 2-pole Euroblock connectors
  • Snap-fit magnetic grills
  • Removable conduit cover plate
  • 2x long travel dog-ear blind mount system
  • Intrinsic Correction™ voicings available via MP-M Series mixers and Q-SYS Platform
  • Available in black (RAL 9011) or white (RAL 9010)
  • UL1480 and UL2043 certified
Specifications AD-C.SAT
LF transducer N/A
HF transducer 2.75-inch (70 mm) weather treated paper cone woofer
Effective frequency range 150 Hz – 20 kHz
Rated noise power / voltage 25 W / 20 V (rms)
Sensitivity [dB]
(rated @ 1 W, 1 m)
Coverage (‐6 dB)  
170° Conical
Directivity factor TBD
Directivity index [dB] TBD
Maximum SPL [dB]
(continuous / peak)
90 / 96
Recommended amplifier 25 W (with 1st order high-pass filter at 200 Hz)
Transformer taps / impedance Bypass: 16 Ω
Connector 2-pole Euroblock connectors
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 -4 to 122° F (-20 to 50° C)
Cutout dimension Ø 4.5-inch (Ø 115 mm)
Net weight 1.39 lb (630 g)
Product dimensions (Ø x H) Ø 5.9 x 3.4-inch (Ø 150 x 86 mm)
Shipping weight TBD (pair packed)
Shipping dimensions
(H x W x D)
TBD (pair packed)
Included accessories C-ring, Euroblock connector, cut-out template, grill (pair packed)
Safety agency 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 flamibility rating; in accordance with
IEC60849 / EN60849 systems.

As part of QSC’s ongoing commitment to product development, specifications are subject to change without notice.