QSC AD-C4T 4.5" In-Ceiling Loudspeaker - Pair (Discontinued)
Usually arrives in 5-9 business days.
The AD-C4T-ZB offers consistent tonal characteristics across the entire AcousticDesign™ family, whether used in surface or ceiling applications. It features a sleek zero-bezel design that suits modern architectural spaces. The Directivity Matched Transition® (DMT) waveguide ensures smooth and uniform frequency response throughout the coverage area. A snap-fit magnetic grille and a triple-stepped, long-travel dog-ear blind mount system make installation simple and secure. The speaker includes advanced Intrinsic Correction™ voicings via Q-SYS™, low-saturation and low-loss 70/100V transformers with a 16Ω bypass, and a blemish-free removable logo. A removable conduit cover plate is included and also available as a pre-install wiring accessory. The AD-C4T-ZB is finished in signal white (RAL 9003), and full EASE, CAD, and BIM files are available online for design and planning.
| Effective Frequency Range | 70 Hz – 20 kHz |
|---|---|
| Rated Noise Power / Voltage | 30W / 22V (rms) |
| Sensitivity [dB] | 87.5 dB SPL |
| Maximum Continuous SPL | 102 dB |
| Maximum Peak SPL | 108 dB |
| Rated Bypass Impedance | 16 Ω |
| Transformer Taps / Impedance | 16 Ω (in bypass setting) 3.75W (70V); 7.5W (100V) Tap: 1333 Ω 7.5W (70V); 15W (100V) Tap: 667 Ω 15W (70V); 30W (100V) Tap: 333 Ω 30W (70V); N/A (100V) Tap: 167 Ω |
| HF Transducer | 1" (25 mm) aluminum dome tweeter |
| LF Transducer | 4.5" (114 mm) weather resistant paper cone woofer |
| Input Connector Type | Euroblock connector with parallel output |
| Enclosure Material | ABS baffle on powder coated steel back can |
| Grille Material | Powder coated steel |
| 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. |
| Included Accessories | C-ring and tile rails, rail screws, euroblock connector, cut-out template, grille |
| Cut-Out Dimensions (Dia) | 7.68" (195 mm) |
| Dimensions (Dia x D) | 9.06" (230 mm) x 6.93" (176 mm) |
| Shipping Dimensions (H x W x D) | 11" (279 mm) x 28" (711 mm) x 12.5" (318 mm) |
| Net Weight (Individual) | 6.4 lbs (2.9 kg) |
| Shipping Weight (Pair) | 20.5 lbs (9.3 kg) |
Model #:
Usually arrives in 5-9 business days.