{"product_id":"qsc-ad-c8t-zb-wh-8-inch-zero-bezel-ceiling-loudspeaker-white","title":"QSC AD-C8T-ZB-WH – 8-Inch Zero-Bezel Ceiling Loudspeaker, White","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe QSC AD-C8T-ZB-WH is an 8-inch commercial ceiling speaker built for high-fidelity distributed audio in conference rooms, boardrooms, and other commercial AV spaces. This two-way zero-bezel ceiling loudspeaker combines an 8-inch woofer with a coaxial compression driver and an integrated 70\/100V transformer, so it deploys on constant-voltage distributed lines or via 8-ohm bypass. The blind-mount design installs flush with the ceiling without plenum access, and Q-SYS Intrinsic Correction adds speaker-specific DSP tuning when paired with a Q-SYS system. Sold as a single speaker in RAL 9010 white.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.qsys.com\/fileadmin\/images\/product\/systems\/AD-C\/AD-C8TLP-slide1.jpg\" alt=\"QSC AD-C8T-ZB-WH 8-inch zero-bezel commercial ceiling speaker in white\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe AD-C8T-ZB-WH is a large-format member of the QSC AcousticDesign Series, intended for installations that need more low-frequency extension and output than 4.5-inch or 6.5-inch models can deliver. The 8-inch woofer uses a 2.0-inch voice coil on a ferrite motor and is rated for 200 W continuous at 8 ohms (400 W rated power), with 70V taps at 25, 50, 100, and 200 W and 100V taps at 50, 100, and 200 W. The coaxial compression driver shares the woofer axis, placing the high-frequency source at the same point as the low-frequency driver to improve off-axis response across the 90-degree conical pattern set by the DMT waveguide. System bandwidth reaches down to 58 Hz (-10 dB), supporting full-range distributed audio without a dedicated subwoofer in moderate-SPL zones, while sensitivity of 92.5 dB (1 W\/1 m) keeps amplifier power requirements low across a coverage area. Maximum SPL is 114 dB continuous and 126 dB peak. As a blind-mount ceiling speaker, the unit installs from below the ceiling using a 3x double-stepped dog-ear system and a 12-inch (305 mm) cutout, simplifying retrofit work in occupied buildings. A snap-fit magnetic grille, removable conduit cover plate, and 4-pin Euroblock input with parallel output streamline daisy-chain wiring across a zone. UL1480A and UL2043 ratings, plus an IP-44 ingress rating and NFPA 90A compliance, qualify the speaker for installation in plenum air-handling spaces. The zero-bezel grille integrates flush with the ceiling for architectural applications where visible speaker hardware is not acceptable, and Q-SYS Intrinsic Correction voicings (available through the Q-SYS Platform and CX-Q amplifiers) optimize frequency response and transient accuracy when the speaker is deployed in a Q-SYS system.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-Inch Coaxial Two-Way Design\u003c\/strong\u003e — The 8-inch woofer and coaxial 1.5-inch compression driver share an axis for phase-accurate output and consistent off-axis response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Bezel Grille\u003c\/strong\u003e — The bezel-less grille mounts flush with the ceiling for clean architectural integration without a visible flange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70\/100V Transformer with 8-Ohm Bypass\u003c\/strong\u003e — Multi-tap transformer (up to 200 W) drives constant-voltage distributed lines, or bypasses to 8 ohms for low-impedance amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlind-Mount Installation\u003c\/strong\u003e — The 3x double-stepped dog-ear system installs the speaker from below the ceiling without plenum access, reducing retrofit labor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDMT Waveguide\u003c\/strong\u003e — Directivity Matched Transition maintains a uniform 90-degree conical coverage pattern across the frequency range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ-SYS Intrinsic Correction\u003c\/strong\u003e — Speaker-specific DSP voicings are available through the Q-SYS Platform and CX-Q amplifiers for optimized tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlenum-Rated and UL Certified\u003c\/strong\u003e — UL1480A, UL2043, NFPA 90A, and IP-44 ratings qualify the speaker for air-handling spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e92.5 dB Sensitivity\u003c\/strong\u003e — High efficiency lowers amplifier power demand across large coverage zones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConference room\u003c\/strong\u003e — Full-range ceiling coverage for voice and presentation audio, with Q-SYS DSP optimization where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoardroom\u003c\/strong\u003e — High-output ceiling audio with flush architectural integration for premium meeting spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial meeting space\u003c\/strong\u003e — High-SPL distributed ceiling audio across large open areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraining room\u003c\/strong\u003e — Even speech intelligibility for instruction and conferencing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHouse of worship\u003c\/strong\u003e — Sanctuary ceiling fill with sufficient output for speech and program music.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment space\u003c\/strong\u003e — Distributed audio for high-ceiling or acoustically demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Type\u003c\/td\u003e\n\u003ctd\u003eTwo-way ceiling loudspeaker, zero-bezel, bass reflex, with 70\/100V transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLF Driver\u003c\/td\u003e\n\u003ctd\u003e8 in (203 mm), 2.0 in (50.8 mm) voice coil, ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHF Driver\u003c\/td\u003e\n\u003ctd\u003eCoaxial compression driver, 1.5 in (38.1 mm) voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Bandwidth\u003c\/td\u003e\n\u003ctd\u003e-3 dB: 70 Hz – 20 kHz; -10 dB: 58 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e92.5 dB @ 1 W\/1 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003e90° conical (DMT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax SPL\u003c\/td\u003e\n\u003ctd\u003e114 dB continuous \/ 126 dB peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e200 W continuous @ 8Ω \/ 400 W rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBypass Impedance\u003c\/td\u003e\n\u003ctd\u003e8 Ω (minimum 6.8 Ω @ 291 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransformer Taps (70V)\u003c\/td\u003e\n\u003ctd\u003e25, 50, 100, 200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransformer Taps (100V)\u003c\/td\u003e\n\u003ctd\u003e50, 100, 200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003e4-pin 5 mm Euroblock with parallel output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Material\u003c\/td\u003e\n\u003ctd\u003eABS baffle on powder-coated steel back-can\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite grille (RAL 9010), black back-can\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H×W×D)\u003c\/td\u003e\n\u003ctd\u003e13.5 × 13.5 × 13.75 in (342.9 × 342.9 × 349.25 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e12 in (305 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e23.7 lb (10.75 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP-44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety \/ Compliance\u003c\/td\u003e\n\u003ctd\u003eUL1480A, UL2043, NFPA 90A, NFPA 70 (air-handling spaces); RoHS, CE; UL94-V0 baffle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Accessories\u003c\/td\u003e\n\u003ctd\u003eTile rails \u0026amp; screws, tile rings, cutout template, wire connector, white grille\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQ-SYS Intrinsic Correction\u003c\/td\u003e\n\u003ctd\u003eYes (via Q-SYS Platform \/ CX-Q amplifiers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eSingle speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eSpecifications sourced from the QSC AD-C8T-ZB specification sheet and are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eIs the AD-C8T-ZB-WH sold individually or as a pair?\u003c\/dt\u003e\n\u003cdd\u003eThis listing is for a single AD-C8T-ZB-WH speaker. QSC ships the model pair-packed at the carton level, so order quantity according to the number of individual speakers your design requires.\u003c\/dd\u003e\n\u003cdt\u003eDo I need a Q-SYS system to use this speaker?\u003c\/dt\u003e\n\u003cdd\u003eNo. The AD-C8T-ZB-WH operates as a standard 70\/100V or 8-ohm passive loudspeaker on any compatible amplifier. Q-SYS Intrinsic Correction is an additive benefit that applies speaker-specific DSP voicings when the speaker is deployed within a Q-SYS system using CX-Q amplifiers.\u003c\/dd\u003e\n\u003cdt\u003eWhat cutout size and clearance does installation require?\u003c\/dt\u003e\n\u003cdd\u003eThe speaker requires a 12-inch (305 mm) diameter cutout. Overall dimensions are 13.5 x 13.5 x 13.75 in, so confirm adequate depth and clearance above the ceiling. The 3x double-stepped dog-ear blind-mount system installs the speaker from below without plenum access.\u003c\/dd\u003e\n\u003cdt\u003eCan this speaker be installed in a plenum air-handling space?\u003c\/dt\u003e\n\u003cdd\u003eYes. The AD-C8T-ZB-WH carries UL1480A, UL2043, and NFPA 90A ratings and an IP-44 ingress rating, qualifying it for use in air-handling (plenum) spaces in accordance with applicable code.\u003c\/dd\u003e\n\u003cdt\u003eHow does it integrate with a distributed (70V\/100V) AV system?\u003c\/dt\u003e\n\u003cdd\u003eThe integrated multi-tap transformer offers 70V taps of 25\/50\/100\/200 W and 100V taps of 50\/100\/200 W. The 4-pin Euroblock connector with parallel output supports daisy-chain wiring across a distributed zone; select taps to balance SPL against available amplifier power.\u003c\/dd\u003e\n\u003cdt\u003eWhat warranty and support are available?\u003c\/dt\u003e\n\u003cdd\u003eThe AD-C8T-ZB-WH carries QSC's limited manufacturer warranty (3 years on AcousticDesign loudspeakers). For integration, tap selection, or system design support, contact Creation Networks before specifying quantities.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"QSC","offers":[{"title":"Default Title","offer_id":47780583047404,"sku":"AD-C8T-ZB-WH","price":1420.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/AD-C8TLP-slide1.jpg?v=1782495586","url":"https:\/\/creationnetworks.net\/products\/qsc-ad-c8t-zb-wh-8-inch-zero-bezel-ceiling-loudspeaker-white","provider":"Creation Networks","version":"1.0","type":"link"}