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Q-SYS AC-S4T-BK Surface-Mount Loudspeaker The Q-SYS AC-S4T-BK is a premium 4.5-inch two-way surface-mount loudspeaker engineered by QSC for high-quality audio reinforcement in commercial spaces. Its sleek black enclosure and weather-resistant design make it ideal for conference rooms, retail stores, hospitality venues, and educational facilities. Key Features 4.5-inch polypropylene cone woofer and 1-inch aluminium dome tweeter for balanced frequency response Weather-resistant ABS enclosure with powder-coated aluminium grille suitable for indoor and protected outdoor use Articulating yoke bracket for versatile wall or ceiling mounting Power handling: 60W continuous, 120W peak Selectable 70/100V or 8Ω direct operation for flexible system integration Euroblock input with loop-thru output for easy connection Controlled dispersion for even coverage and superior speech and music intelligibility Discreet design ideal for professional audio installations Specifications Model: Q-SYS AC-S4T-BK Woofer: 4.5-inch polypropylene cone Tweeter: 1-inch aluminium dome Power Handling: 60W continuous, 120W peak Impedance: Selectable 70/100V or 8Ω direct Enclosure: Weather-resistant ABS Grille: Powder-coated aluminium Mounting: Articulating yoke bracket for wall or ceiling