QSC AC-C4T AcousticCoverage Series 4" Ceiling-Mount Loudspeakers, Pair

Deliver consistent, intelligible audio where it matters most with the QSC AC-C4T ceiling-mount loudspeakers. Designed for commercial spaces, security control rooms and public facilities, this pair of 4" AcousticCoverage speakers provides clear paging, background music and monitoring audio that supports surveillance and security workflows. With 16W RMS power, an efficient 8 Ω impedance and a wide 70 Hz–16 kHz frequency response, the AC-C4T reproduces speech and program material with the clarity required for announcements and alarms.

The low-profile white enclosure and 140° conical dispersion ensure broad, even coverage—helping reduce the number of speakers needed and simplifying installation for integrators. At 89 dB sensitivity, these in-ceiling speakers keep levels up without straining amplifiers, making them an excellent choice for retail, education, hospitality and critical monitoring applications. Backed by QSC quality and a 3-year limited warranty, the AC-C4T pair is built for dependable performance in commercial and security-focused audio systems. Upgrade your facility’s audio and paging reliability—add the QSC AC-C4T pair to your next project or contact sales for system design assistance.

• Clear, intelligible audio for paging, monitoring and surveillance—improves speech clarity in commercial and security environments
• Compact 4" in-ceiling design blends into ceilings for discreet installs and minimal visual impact
• 16W RMS power with 8 Ω impedance delivers dependable output for background music and paging systems
• Wide 70 Hz–16 kHz frequency response and 140° conical coverage reduce speaker count and ensure even room coverage
• Durable white finish, simple in-ceiling mounting and a 3-year limited warranty for reliable long-term operation