{"product_id":"qsc-gx3-425w-power-amplifiers","title":"QSC GX3 425W 2-Channel Power Amplifier","description":"\u003ch2\u003eQSC GX3 425W 2-Channel Power Amplifier\u003c\/h2\u003e\n\n\u003cp\u003eThe QSC GX3 425W 2-channel power amplifier delivers reliable portable sound reinforcement for entertainers, DJs, musicians, and AV teams. It provides 300W per channel at 8 ohms and 425W per channel at 4 ohms, with flexible inputs, professional speaker outputs, and built-in amplifier protection.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for portable PA systems, compact equipment racks, and live performance rigs, this QSC GX3 power amplifier gives users a dependable 2-channel amp for passive speakers. It is a strong choice for buyers needing a lightweight rackmount power amplifier, a portable PA amplifier, or a compact amp with real-world headroom.\u003c\/p\u003e\n\n\u003cp\u003eThe GX3 features XLR, 1\/4-inch TRS, and phono inputs for broad source compatibility, plus Speakon combo outputs and binding posts for common speaker wiring setups. GuardRail protection helps protect the amplifier and loudspeakers from temperature rise and overdrive, while the built-in crossover supports subwoofer\/satellite system configurations.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable 2-Channel Power:\u003c\/strong\u003e Delivers 300W per channel at 8 ohms and 425W per channel at 4 ohms with both channels driven.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-World Headroom:\u003c\/strong\u003e Optimized for 4-ohm and 8-ohm speaker systems commonly used by entertainers and mobile audio professionals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Inputs:\u003c\/strong\u003e XLR, 1\/4-inch TRS, and phono input connectors support compatibility with a wide range of audio sources.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Speaker Outputs:\u003c\/strong\u003e Speakon combo outputs accept 1\/4-inch TS plugs or Speakon 2-pole and 4-pole plugs, while binding posts support other wiring systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuardRail Protection:\u003c\/strong\u003e Automatically protects the amplifier and loudspeakers from damage caused by temperature rise or overdrive.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Crossover:\u003c\/strong\u003e Rear-panel crossover switch supports subwoofer\/satellite operation with 100 Hz filtering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Rack Depth:\u003c\/strong\u003e 10.1-inch chassis depth fits compact effects racks and portable rack systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront Panel Monitoring:\u003c\/strong\u003e Power, signal, and clip LEDs provide quick visual status during setup and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e QSC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GX3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 2-channel power amplifier\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Discontinued\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power, 8 Ohms Continuous:\u003c\/strong\u003e 300W per channel, both channels driven\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power, 4 Ohms Continuous:\u003c\/strong\u003e 425W per channel, both channels driven\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistortion:\u003c\/strong\u003e Less than 0.02% at 8 ohms; less than 0.05% at 4 ohms, 1 dB below rated power at 1 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal To Noise:\u003c\/strong\u003e 100 dB, 20 Hz–20 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Sensitivity:\u003c\/strong\u003e 1.2V RMS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Gain:\u003c\/strong\u003e 32.2 dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Circuitry:\u003c\/strong\u003e Class B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e 6.3A at 1\/8 power, pink noise at 4 ohms, 120V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20 Hz–20 kHz, +0, -1 dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDynamic Headroom:\u003c\/strong\u003e 2 dB at 4 ohms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e Greater than 20 kOhms balanced\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Input Level:\u003c\/strong\u003e +24 dBu, 16V RMS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Connectors:\u003c\/strong\u003e 3-pin XLR and 1\/4-inch TRS balanced parallel connectors; phono unbalanced connector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Connectors:\u003c\/strong\u003e Speakon, 1\/4-inch, and binding posts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmplifier Protection:\u003c\/strong\u003e Short circuit, open circuit, thermal, and RF protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Protection:\u003c\/strong\u003e Protected against DC faults\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront Panel Controls:\u003c\/strong\u003e Gain controls with 21 detents\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront Panel Indicators:\u003c\/strong\u003e Red clip LEDs, green signal LEDs, and blue power LED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip LED Threshold:\u003c\/strong\u003e 0.1% THD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal LED Threshold:\u003c\/strong\u003e 35 dB below clipping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRear Panel Control:\u003c\/strong\u003e Full Range \/ Crossover switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrossover:\u003c\/strong\u003e 100 Hz, 3rd order low-pass for subwoofer and 2nd order high-pass for top speaker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 10.1\" D x 19\" W x 3.5\" H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarton Dimensions:\u003c\/strong\u003e 24\" x 15\" x 6\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 27 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 29.1 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAgency Approvals:\u003c\/strong\u003e UL, CE, RoHS\/WEEE compliant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdle Current Draw And Heat:\u003c\/strong\u003e 0.2A, 44 BTU\/hour at 120VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 + 8 Ohms, 1\/8 Power:\u003c\/strong\u003e 4.1A, 904 BTU\/hour at 120VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 + 8 Ohms, 1\/3 Power:\u003c\/strong\u003e 6.1A, 1160 BTU\/hour at 120VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 + 8 Ohms, Full Power:\u003c\/strong\u003e 9.75A, 1109 BTU\/hour at 120VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 + 4 Ohms, 1\/8 Power:\u003c\/strong\u003e 6.3A, 1515 BTU\/hour at 120VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 + 4 Ohms, 1\/3 Power:\u003c\/strong\u003e 9.4A, 2105 BTU\/hour at 120VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 + 4 Ohms, Full Power:\u003c\/strong\u003e 15.0A, 2297 BTU\/hour at 120VAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QSC","offers":[{"title":"Default Title","offer_id":46257167139013,"sku":"QSC-AMP-GX3","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/qsc-gx3-425w-1.jpg?v=1779382570","url":"https:\/\/avlgear.com\/products\/qsc-gx3-425w-power-amplifiers","provider":"AVLGEAR","version":"1.0","type":"link"}