QSC AC-C4T-nb Acoustic Coverage Series “no back can” models (nb) are full-range 4.5 and 8 inch ceiling-mounted loudspeakers. Each comes with a 70/100V transformer and is suitable for a wide variety of audio/ video conferencing reinforcement. And it used voice paging and background music applications. Rated noise power [rms]: 6 W Effective frequency range: 62 Hz - 18 kHz Rated Coverage: 140° conical Product dimensions (Diameter x Height): Ø 206 x 95 mm (Ø 8.11 x 3.75-inch)

QSC AC-C8T-nb Acoustic Coverage Series no back can models (nb) are full-range 8 inch ceiling-mounted loudspeakers. Each comes with a 70/100V transformer and is suitable for a wide variety of audio/ video conferencing reinforcement, voice paging and background music applications. Effective frequency range: 53 Hz - 20 kHz Rated Coverage: 130^° Conical Rated noise power (rms): 6 W Product dimensions (Diameter x Height): Ø 283 x 84 mm (Ø 11.14 x 3.3-inch)

QSC AC-S6T Black Acoustic Coverage Series is a surface mount 6.5” two-way loudspeaker with 70/100V transformer. And it suitable for a wide variety of audio/video conferencing reinforcement, voice paging and background music applications. Effective frequency range: 60 Hz–20 kHz Coverage angle (-6 dB): 130° conical (500 Hz–5 kHz) Rated noise power / voltage: 30 watts / 15.5 volts rms Product Dimensions (HWD): 11.9" x 8.5" x 7.8"(303 mm × 215 mm × 197 mm)

QSC AD-C SUB White is part of the Acoustic Design Series SUB/SAT loudspeaker line. And it is ideally suite for background music applications. That require refined depth and clarity even at lower volume settings. Effective frequency range: 45 Hz – 150 Hz Rated noise power / voltage: 100 W / 20 V (rms) Product dimensions: (Ø x H) Ø 13.4 x 10.4 in (Ø 340 x 263 mm)