Amplifiers

The Attero Tech by QSC Axiom AXP2O is an audio expansion module that adds two balanced analog line-level outputs to an Axiom host device (such as the ML1 or unBT2A). It is a networked-system accessory/endpoint rather than a standalone processor: it connects to its host over a single Axiom port cable that carries audio, RS-232 control and DC power.Key FeaturesTwo balanced analog outputs on 3.81 mm depluggable terminal blocksConnects to an Axiom host device via one 8P8C Axiom port cableAxiom...

The QSC CX-Q 2K4 is a four-channel network power amplifier for the Q-SYS Ecosystem, suited to small and mid-size multi-zone installs in retail, restaurants, offices and worship spaces. Its four independent channels drive low-impedance loads or 70V/100V constant-voltage lines, with flexible power distribution and up to 2000 W total output. Native Q-LAN networking carries audio, control and monitoring, and four mic/line inputs provide additional analog on-ramps into the Q-SYS platform.Key...

The QSC CX-Q 4K4 is a four-channel network power amplifier for the Q-SYS Ecosystem, aimed at installs that need higher per-channel power across four zones, such as larger worship spaces, ballrooms and performance venues. Each channel is independent and can drive low-impedance loads or 70V/100V constant-voltage lines, delivering up to 1000 W per channel and up to 4000 W total. Native Q-LAN networking handles audio transport, control and monitoring within the Q-SYS platform.Key FeaturesFour...

The QSC CX-Q 4K8 is an eight-channel network power amplifier for the Q-SYS Ecosystem, built for integrators deploying multi-zone commercial audio in venues, houses of worship, hospitality and corporate spaces. Each of its eight channels operates independently and can drive low-impedance loads (8/4/2 ohm) or 70V/100V constant-voltage lines, with flexible power distribution across channels and up to 4000 W total output. Native Q-LAN networking provides audio transport, control and monitoring,...

The QSC CX-Q 8K4 is a four-channel network amplifier for the Q-SYS ecosystem, positioned near the top of the CX-Q range with 8000 W of total output across its four channels. It suits large installed-sound applications—auditoriums, arenas, houses of worship, stadiums and multi-zone commercial spaces—where high headroom and centralized Q-SYS management are required.Key FeaturesFour independent channels delivering 8000 W total system powerLo-Z, 70V and 100V direct-drive output...

The QSC CX-Q 8K8 is an eight-channel network amplifier built for the Q-SYS ecosystem, aimed at commercial and installed audio systems that need flexible, high-density amplification managed over the network. It connects natively via Q-LAN and drives loudspeakers in low-impedance, 70V or 100V modes with direct-drive constant-voltage outputs, so no output transformers are needed. QSC's FlexAmp power-sharing lets the total power be distributed across channels to match each zone's needs, and the...

The QSC CX-Qn 2K4 is a four-channel network power amplifier for the Q-SYS Ecosystem. It shares the CX-Q 2K4's four independent channels, flexible power distribution up to 2000 W total, and support for low-impedance, 70V and 100V loads, but the 'Qn' designation means it is network-input only: it omits the analog mic/line inputs found on the 'Q' models to lower system cost. Audio, control and monitoring all travel over Q-LAN, making it a streamlined choice for designs where all sources arrive...

The QSC CX-Qn 4K4 is a four-channel network amplifier built for the Q-SYS ecosystem, and the "n" designation adds native Dante audio transport alongside Q-LAN. It is aimed at systems integrators building networked audio for venues such as houses of worship, corporate campuses, retail, hospitality and performing-arts spaces where amplifiers must be managed as part of a larger Q-SYS design.Key FeaturesFour independent output channels with up to 1000 W per channelFlexible Lo-Z, 70V and...

The QSC CX502 is a compact two-channel professional power amplifier built for fixed installation and light touring where dependable low-impedance performance is required. It suits background/foreground music systems, meeting spaces, houses of worship, and small clubs, driving conventional 8-, 4-, or 2-ohm loudspeakers with headroom to spare. QSC's PowerLight switch-mode supply keeps the chassis light and cool while delivering tight, consistent output, and an onboard DataPort connector allows...

The QSC CXD4.2 is a 4-channel processing (DSP) amplifier for installed sound systems that need flexible power and onboard signal processing in a compact 2RU package. Its four independent channels can be bridged or paralleled to match a wide range of loads, and each channel includes crossover, EQ, delay and dynamics processing so a single unit can drive a complete loudspeaker system.Key FeaturesFour independent, flexible-power channels (up to 2500W total)Onboard DSP: crossovers, parametric EQ,...

The QSC CXD4.2Q is a 4-channel network processing amplifier and a true Q-SYS peripheral, bringing CXD-series power and DSP into a networked, centrally managed system over standard Gigabit Ethernet. It provides four flexible channels with onboard processing, plus rear-panel mic/line inputs, so integrators can deploy and monitor amplification as part of a Q-SYS ecosystem.Key FeaturesFour flexible-power channels with onboard DSPNative Q-SYS integration over Q-LAN (Gigabit Ethernet)Local mic/line...

The QSC CXD4.3Q is a higher-power 4-channel network processing amplifier and true Q-SYS peripheral. It combines flexible-power amplification, comprehensive onboard DSP, and native Q-SYS networking, and can drive 70V or 100V distributed loudspeaker lines directly from any output without external transformers, making it a versatile engine for installed sound.Key FeaturesFour flexible-power channels, 900W per channel at 8 ohm (peak)Direct 70V/100V line drive on any output, no transformers...

The QSC GX3 is a straightforward, reliable 2-channel power amplifier aimed at musicians, DJs, and small live-sound systems. With power levels matched to popular loudspeakers and QSC's proven protection circuitry, it offers dependable performance and easy setup for bands, houses of worship, and portable PA rigs.Key Features2-channel power amplifier for portable and small-venue use300W per channel at 8 ohm, 425W per channel at 4 ohmPower levels matched to popular loudspeakersQSC protection...

The QSC GX5 is a 2-channel power amplifier offering more headroom than the GX3 for medium loudspeakers and busier live-sound systems. Designed for musicians, DJs, and portable PA, it delivers dependable QSC power with protection circuitry and power levels tailored to popular passive speakers.Key Features2-channel power amplifier for portable and live-sound use500W per channel at 8 ohm, 700W per channel at 4 ohmPower levels matched to popular loudspeakersQSC protection circuitry for reliable...

The QSC GX7 is the highest-power model in the GX 2-channel amplifier line, built for larger loudspeakers and more demanding portable and installed systems. It delivers strong, clean power with QSC's proven protection circuitry, making it a dependable choice for bands, DJs, houses of worship, and rental inventories.Key Features2-channel power amplifier for higher-output systems725W per channel at 8 ohm, 1000W per channel at 4 ohmPower levels matched to popular loudspeakersQSC protection...

The QSC GXD4 is a lightweight 2-channel power amplifier with onboard DSP, designed for portable live sound, DJs, and small installed systems. It pairs efficient Class-D power with intelligent limiting and speaker-tuning tools, so users can protect their loudspeakers and shape the sound without adding an external processor.Key Features2-channel Class-D amplifier, 400W/ch at 8 ohm and 600W/ch at 4 ohmOnboard DSP: high/low-pass filters, 4-band parametric EQIntelligent loudspeaker protection with...

The QSC GXD8 is a higher-power 2-channel Class-D amplifier with onboard DSP, built for portable live sound, DJs, and small-to-medium installations. It delivers substantial power in a lightweight chassis and includes speaker-tuning filters and intelligent limiting, giving users protection and processing without a separate DSP unit.Key Features2-channel Class-D amplifier, 800W/ch at 8 ohm and 1200W/ch at 4 ohmOnboard DSP: high/low-pass filters, 4-band parametric EQIntelligent loudspeaker...

The QSC MP-A20V is a compact 2-channel music and paging amplifier for commercial installations such as retail, restaurants, and hospitality where background music and announcements share one system. It uses QSC FlexAmp technology, letting each output run low-impedance (4/8 ohm) or drive 70V/100V distributed speaker lines without a separate transformer, and adapt the power split between paired channels to match the job.Key Features2-channel Class-D installation amplifier in a compact 1RU...

The QSC MP-A80V is an 8-channel music and paging amplifier for larger commercial audio systems that combine background music with announcements across many zones. Using QSC FlexAmp technology, each output can run low-impedance 4/8 ohm speakers or drive 70V/100V distributed lines directly, and paired channels can share power in flexible ratios to fit real-world zone loads.Key Features8-channel Class-D installation amplifier for multi-zone systemsFlexAmp technology: every channel drives 4/8 ohm,...

The QSC SPA2-200 is a higher-power 2-channel compact installation amplifier for commercial audio applications that need more headroom in a small footprint. It delivers 200W per channel into low-impedance loads and supports 70V/100V distributed lines in bridged mode, all in an energy-efficient half-rack chassis suited to background music and paging systems.Key Features2-channel compact amplifier with 200W per channelDrives 4/8 ohm speakers or 70V/100V lines (bridged mode)Energy Star efficient...

The QSC SPA2-60 is a compact, energy-efficient 2-channel installation amplifier for smaller commercial spaces such as retail, offices, and meeting rooms. Its half-rack chassis fits discreetly above a ceiling or in a small rack, and it supports both low-impedance speakers and 70V/100V distributed lines, making it a flexible workhorse for background music and paging.Key Features2-channel compact amplifier in a lightweight half-rack chassisDrives 4/8 ohm speakers or 70V/100V lines (bridged...

The QSC SPA4-100 is a compact 4-channel installation amplifier that delivers more power per zone for multi-zone commercial audio in a small half-rack chassis. It drives four zones of low-impedance speakers and supports 70V/100V distributed lines in bridged mode, providing flexible, energy-efficient amplification for background music and paging.Key Features4-channel compact amplifier with 100W per channelDrives 4/8 ohm speakers or 70V/100V lines (bridged mode)Energy Star efficient with...

The QSC SPA4-60 is a compact, energy-efficient 4-channel installation amplifier for multi-zone commercial audio in a small half-rack chassis. It drives four zones of low-impedance speakers and supports 70V/100V distributed lines in bridged mode, making it a flexible choice for background music and paging in retail, hospitality, and offices.Key Features4-channel compact amplifier for multi-zone systemsDrives 4/8 ohm speakers or 70V/100V lines (bridged mode)Energy Star efficient with...