{"product_id":"qsc-ad-c4t-bk-4-5-inch-two-way-ceiling-speaker-70-100-volt-transformer-with-16ω-bypass-black","title":"QSC AD-C4T-BK 4.5-Inch Two-way Ceiling Speaker, 70\/100 Volt Transformer with 16Ω Bypass - Black","description":"\u003c!-- more --\u003e\n\u003c!-- split --\u003e\u003cbr\u003e\u003ch4\u003eDeliver Premium Sound with the QSC AD-C4T-BK 4.5-Inch Two-way Ceiling Speaker, 70\/100 Volt Transformer with 16Ω Bypass - Black\u003c\/h4\u003e\n\u003cp\u003eThe QSC AcousticDesign™ AD-C4T-LP is a 4.5-inch two-way low profile ceiling loudspeaker, ideal for foreground and background sound reinforcement in restaurants, retail spaces, educational facilities, worship centers, transportation terminals, and more. Designed for performance and versatility, the AD-C4T-LP offers 70\/100V and 16-ohm bypass configurations with consistent tonal characteristics across the entire AcousticDesign family, ensuring seamless sonic integration in mixed ceiling, surface, and pendant installations.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with premium components including a weather-treated paper cone woofer and aluminum dome tweeter, the AD-C4T-LP utilizes QSC’s DMT (Directivity Matched Transition™) waveguide technology to deliver smooth, uniform frequency response across the coverage area. Its rugged construction, magnetic grille, and installer-friendly features make it an elegant and reliable solution for professional audio installations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConsistent tonal characteristics across the entire AcousticDesign family for ceiling, surface, and pendant installations\u003c\/li\u003e\n  \u003cli\u003eDMT (Directivity Matched Transition™) waveguide ensures uniform coverage and smooth frequency response\u003c\/li\u003e\n  \u003cli\u003eSnap-fit magnetic grille with blemish-free removable logo\u003c\/li\u003e\n  \u003cli\u003e3x double-stepped, long-travel dog-ear blind mount system for quick installation\u003c\/li\u003e\n  \u003cli\u003eIntrinsic Correction™ voicings available via Q-SYS Platforms and CXD amplifiers\u003c\/li\u003e\n  \u003cli\u003eLow-saturation, low-loss 70\/100V transformer with 16-ohm bypass\u003c\/li\u003e\n  \u003cli\u003eRemovable conduit cover plate for pre-install wiring flexibility\u003c\/li\u003e\n  \u003cli\u003eUL1480 and UL2043 certified for air handling space use\u003c\/li\u003e\n  \u003cli\u003eAvailable in white (RAL 9010) and paintable to match any décor\u003c\/li\u003e\n  \u003cli\u003eComplete EASE, CF2, CAD, and BIM data available online\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eSPECIFICATIONS\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eSystem Type\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4.5-inch two-way low profile ceiling loudspeaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eTransducers\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLF Driver: 114 mm (4.5-inch) weather-treated paper cone woofer, 1-inch voice coil\u003c\/li\u003e\n  \u003cli\u003eHF Driver: 19 mm (0.75-inch) aluminum dome tweeter on DMT waveguide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective Range: 70 Hz – 20 kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003ePower Handling\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated Noise Power\/Voltage: 30 W \/ 22 V (RMS)\u003c\/li\u003e\n  \u003cli\u003eRecommended Amplifier Power: 60 W\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eSensitivity and Coverage\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSensitivity: 87 dB\u003c\/li\u003e\n  \u003cli\u003eRated Coverage: 150° conical DMT\u003c\/li\u003e\n  \u003cli\u003eMaximum Continuous SPL: 102 dB\u003c\/li\u003e\n  \u003cli\u003eMaximum Peak SPL: 108 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eImpedance and Taps\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal Impedance: 16 ohms (bypass)\u003c\/li\u003e\n  \u003cli\u003eTransformer Taps: \n    \u003cul\u003e\n      \u003cli\u003e3.75 W (70V) \/ 7.5 W (100V)\u003c\/li\u003e\n      \u003cli\u003e7.5 W (70V) \/ 15 W (100V)\u003c\/li\u003e\n      \u003cli\u003e15 W (70V) \/ 30 W (100V)\u003c\/li\u003e\n      \u003cli\u003e30 W (70V)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eEnclosure and Materials\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eABS baffle with powder-coated steel back can\u003c\/li\u003e\n  \u003cli\u003ePowder-coated steel grille with magnetic attachment\u003c\/li\u003e\n  \u003cli\u003eUV inhibitors for color retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eConnections\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEuroblock connector with parallel output\u003c\/li\u003e\n  \u003cli\u003eRemovable conduit cover plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eMounting\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3x double-stepped, long-travel dog-ear blind mount system (0\"–2.25\" ceiling thickness)\u003c\/li\u003e\n  \u003cli\u003eCutout Dimension: Ø 245 mm (9.65 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eDimensions and Weight\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct Dimensions (Diameter × Height): Ø 280 × 100 mm (11.02 × 3.93 inches)\u003c\/li\u003e\n  \u003cli\u003eNet Weight: 3 kg (6.6 lbs)\u003c\/li\u003e\n  \u003cli\u003eShipping Weight (Pair): 10.2 kg (22.5 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eIncluded Accessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eC-ring and tile rails, rail screws, Euroblock connector, cut-out template, tether grille\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eOptional Accessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAD-MR6 pre-install mud ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eCertifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUL1480, UL2043, NFPA90, NFPA70\u003c\/li\u003e\n  \u003cli\u003eIP-34 rated for indoor use\u003c\/li\u003e\n  \u003cli\u003eTransformer UL registered per UL1876, ROHS and CE compliant\u003c\/li\u003e\n  \u003cli\u003eBaffle meets UL94-V0 and UL945VB flammability ratings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\n\n\nManufacturer: QSC Audio\u003cbr\u003eModel: AD-C4T-BK\u003cbr\u003eSKU: I439818-N-4-WHXX\u003cbr\u003eUPC: 684284067524\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cb\u003eWe are Chuck Levin's Washington Music Center\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eSince 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.\u003c\/p\u003e\u003cp\u003eOur team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.\u003c\/p\u003e\u003cp\u003eChuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e","brand":"QSC Audio","offers":[{"title":"Default Title","offer_id":42514801098815,"sku":"I439818-N","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/0972\/9087\/files\/2eb47290-6fd1-45f1-b3f3-f635291d20be.png?v=1761862061","url":"https:\/\/chucklevins.com\/products\/qsc-ad-c4t-bk-4-5-inch-two-way-ceiling-speaker-70-100-volt-transformer-with-16%cf%89-bypass-black","provider":"Chuck Levin's Washington Music Center","version":"1.0","type":"link"}