QSC AD-S4T Black Acoustic Design is a surface mount 70/100V, 4.5" two-way loudspeaker system. And it ideally suited for a wide variety of foreground and background sound reinforcement applications. Effective frequency range: 68 Hz – 20 kHz Rated noise power / voltage: 50 watts / 20 volts (rms) Coverage angle(-6 dB): 120° Product Dimensions: 261 x 161 x 163 mm (10.27 x 6.34 x 6.42 in)

QSC AD-S6 White  Acoustic Design is a surface mount 16 ohm, 6.5-inch two-way loudspeaker system. And it ideally suited for a wide variety of foreground and background sound reinforcement applications. Effective frequency range: 58 – 20k Hz Rated noise power / voltage: 150 W / 49 V (rms) Coverage angle (-6 dB): 105° Product dimensions: 14.4" x 8.5" x 8.5" (365 x 215 x 215 mm)

QSC AD-S32T Black Acoustic Design Series is a surface mount loudspeaker system. Design for background and general purpose audio playback. And it is  attractive, compact and acoustically match to the entire AD Series. Frequency Response(-6 dB): 73 Hz – 20 kHz RMS Power Handling: 30 W (100 hours IEC) Low frequency: 3" (7.6 cm)  polypropylene cone woofer High frequency: 0.75" titanium dome tweeter Dimensions (H x W x D): 7.9" x 4.8" x 5.5" (202 x 123 x 140 mm)

QSC AD-C SAT 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. 2.75 in (70 mm) weather treated paper cone woofer Effective frequency range: 150 Hz – 20 kHz Rated noise power / voltage: 25 W / 20 V (rms) Product dimensions (Ø x H): Ø 5.9 x 3.3 in (Ø 149.6 x 83.4 mm)