QSC CX168 is a 8 Channel Professional Power Amplifier. And the  Power Light technology takes your audio to an entirely new level. Delivered tighter bass and clean, transparent highs. Power Light also cuts waste heat, boosts reliability, and eliminate unwanted noise and hum. Frequency Response 20 Hz – 20 kHz, + 0.2 dB | 8 Hz – 50 kHz, +0/-3 dB Stereo Mode: 90 W for 8Ω, 130 W for 4Ω Bridge-Mono Mode: 180 W for 16Ω,  260 W for 8Ω Dimensions (HWD) 3.5" (8.9 cm) 2 RU x 19" (48.3 cm) rack mounting x 14" (35.6 cm) from front mounting rails

QSC CX404 is a 4 Channel Professional Power Amplifier. It gives four channels in only two rack spaces, without compromising on power. CX404 is equip with exclusive QSC Power Light switching power supply technology to virtually eliminate noise and hum. Frequency Response 20 Hz - 20 kHz, ± 0.2 dB | 8 Hz - 50 kHz, + 0/-3 dB Stereo Mode: 250 W for 8Ω, 400 W for 4Ω (0.1% THD, 1 kHz) Bridge-Mono Mode: 500 W for 16Ω, 800 W for 8Ω (0.1% THD, 1 kHz) Dimensions (H x W x D): 3.5" (8.9 cm) 2 RU x 19" (48.3 cm) rack mounting x 14" (35.6 cm) from front mounting rails

QSC CX1102 is a 2 Channel Professional Power Amplifier is design to meet the specialized needs of sound contractors. QSC CX1102, exclusive QSC Power Light technology with high-output power, versatile loading options, high thermal capacity and unmatched reliability. Frequency Response: 20 Hz - 20 kHz, ± 0.2 dB Stereo Mode: 700 W for 8Ω, 1100 W for 4Ω, 1700 W for 2Ω and 1200 W maximum in 70V Bridge-Mono Mode: 1400 W for 16Ω, 2200 W for 8Ω, 3400 W for 4Ω and 2400 W maximum in 140V Dimensions (H x W x D): 3.5" (8.9 cm) 2 RU x 19" (48.3 cm) rack mounting x 14" (35.6 cm) from front mounting rails

QSC CX902 is a 2 channel Low-Z Power Amplifier. Exclusive Power Light switch-mode power supply technology for high performance and compact size. QSC CX902 in the Active inrush limiting eliminates AC inrush current, removing the need for expensive power sequencers. XLR and detachable Euro style input connectors. Frequency Response: 20 Hz–20 kHz, ±0.2 dB Stereo Mode: 550 W for 8 Ω, 900 W for 4 Ω, 1500 W for 2Ω, 400 W for 70V / 20 Hz – 20 kHz, 440 W for 70V / 1 kHz, 600 W for 70V / 1 kHz Bridged Mono Mode: 1100 W for 16Ω, 2000 W for 8Ω, 3000 W for 4Ω, 800 W for 140V / 20 Hz – 20 kHz, 880 W for 140V /  1 kHz / 0.05% THD,1200 W for 140V / 1 kHz / 1% THD Dimensions (H x W x D): 3.5" x 19" x 14"(89 mm x 483 mm x 356 mm)