{"product_id":"qsc-mpa-q-4x500-4-channel-500w-q-sys-network-amplifier","title":"QSC MPA-Q 4x500 – 4-Channel 500W Q-SYS Network Amplifier","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe QSC MPA-Q 4x500 is a four-channel, 500 W per channel Q-SYS network amplifier built for performance and distributed audio applications that demand higher power output within the Q-SYS ecosystem. Part of the MPA-Q Series — QSC's mid-power tier in the Q-SYS network amplifier portfolio — the MPA-Q 4x500 is the highest-power-per-channel model in the series, making it ideal for larger loudspeaker arrays, live sound reinforcement zones, and applications where fewer channels with greater headroom are preferred. \u003ca href=\"https:\/\/creationnetworks.net\"\u003eCreation Networks\u003c\/a\u003e is an authorized QSC dealer supplying and integrating the MPA-Q Series for commercial AV projects nationwide.\u003c\/p\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eThe MPA-Q 4x500 delivers 500 W per channel across four independently configurable output channels with Lo-Z, Hi-Z, 70 V, and 100 V direct drive available on every channel — no bridging or manual switches required. Four analog line-level inputs are fully routable into Q-SYS or can drive outputs directly. Two gigabit Ethernet ports provide redundant Q-LAN networked audio, and LAN A optionally accepts PoE (802.3af Type 1) to enable rapid audio restore after a power interruption. Standalone Mode automatically switches to available analog inputs if network connectivity drops. When bridged (A+B or C+D), the 4x500 delivers up to 1000 W maximum into a single load, making it suitable for high-power subwoofer or main array applications within a Q-SYS-controlled system. The quiet fan-cooled 2RU chassis is designed for co-location with loudspeakers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e4 output channels at 500 W per channel (continuous, all channels driven)\u003c\/li\u003e\n\u003cli\u003eLo-Z, Hi-Z, 70 V, and 100 V direct drive on all channels — no bridging or manual switches needed\u003c\/li\u003e\n\u003cli\u003eUp to 1000 W maximum when 2 channels are bridged (A+B or C+D)\u003c\/li\u003e\n\u003cli\u003e4 analog line-level inputs, fully routable into Q-SYS or direct out\u003c\/li\u003e\n\u003cli\u003eTwo gigabit Ethernet ports for redundant Q-LAN networked audio\u003c\/li\u003e\n\u003cli\u003eLAN A accepts optional PoE (802.3af Type 1) for quick audio restore after power outage\u003c\/li\u003e\n\u003cli\u003eStandalone Mode: automatic failover to analog inputs if network connectivity drops\u003c\/li\u003e\n\u003cli\u003eAnalog Mode: bypasses network audio for fully analog amplifier operation with front-panel configuration\u003c\/li\u003e\n\u003cli\u003eDSP per channel: Gain, Polarity, IIR Filters (HPF, Parametric, Shelf, Array Correction), FIR Filters (1024 taps), Delay (up to 2020 ms), Limiters (narrow-band, RMS, peak)\u003c\/li\u003e\n\u003cli\u003eSNR \u0026gt;112 dB (A-weighted, 20 Hz–20 kHz, 8Ω)\u003c\/li\u003e\n\u003cli\u003eTHD+N \u0026lt;0.01%–0.03% typical at 1 kHz (1% max)\u003c\/li\u003e\n\u003cli\u003e4 GPI inputs and 2 NO\/NC output relays for external control integration\u003c\/li\u003e\n\u003cli\u003eFull-rack-width, 2RU quiet fan-cooled form factor; rack or surface mountable\u003c\/li\u003e\n\u003cli\u003e100–240 V, 50\/60 Hz universal power input\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLarge hotel ballrooms and event spaces requiring high-power zone amplification\u003c\/li\u003e\n\u003cli\u003eEntertainment venues with main arrays and fill speaker systems needing Q-SYS integration\u003c\/li\u003e\n\u003cli\u003eHouses of worship main sanctuary systems where high output and Q-SYS control are both required\u003c\/li\u003e\n\u003cli\u003eLarge-format retail environments with extended ambient audio requiring higher SPL levels\u003c\/li\u003e\n\u003cli\u003eBridged subwoofer or main array applications within a Q-SYS multi-amplifier system\u003c\/li\u003e\n\u003cli\u003eCorporate auditoriums and large conference centers with performance audio requirements\u003c\/li\u003e\n\u003cli\u003eOutdoor entertainment zones and covered event spaces requiring weather-resilient zone amplification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (continuous, all ch, 8Ω)\u003c\/td\u003e\n\u003ctd\u003e300 W per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (maximum, all ch, 8Ω)\u003c\/td\u003e\n\u003ctd\u003e500 W per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (maximum, single ch, 8Ω)\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (2-ch bridged, 8Ω)\u003c\/td\u003e\n\u003ctd\u003e1000 W max \/ 600 W continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance Options\u003c\/td\u003e\n\u003ctd\u003eLo-Z (8Ω, 4Ω, 2Ω), 70 V, 100 V, Hi-Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e+0.2 dB \/ −0.7 dB (20 Hz–20 kHz, 8Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N @ 1 kHz\u003c\/td\u003e\n\u003ctd\u003e0.01%–0.03% typical; 1% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR (A-weighted, 8Ω)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;112 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain @ +4 dBu input\u003c\/td\u003e\n\u003ctd\u003e34 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping Factor\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Dynamic Range\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;108 dB (unweighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance @ 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;11k balanced; \u0026gt;5.5k unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample Rate\u003c\/td\u003e\n\u003ctd\u003e48 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDSP\u003c\/td\u003e\n\u003ctd\u003eGain, Polarity, IIR Filters, FIR (1024 taps\/ch), Delay (up to 2020 ms\/ch), Limiters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetworking\u003c\/td\u003e\n\u003ctd\u003e2× 1 Gbps Ethernet (LAN A: optional PoE 802.3af Type 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPI \/ Relays\u003c\/td\u003e\n\u003ctd\u003e4 GPI inputs (0–3.3 V DC closure); 2 NO\/NC output relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio I\/O Connectors\u003c\/td\u003e\n\u003ctd\u003eOutput: 4× 4-pin Euro 7.62 mm; Input: 4× 3-pin Euro 3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Power Input\u003c\/td\u003e\n\u003ctd\u003e100–240 V, 50\/60 Hz, 4.6–2.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd\u003e15.0 × 19.0 × 3.5 in (381 × 483 × 89 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e20.7 lb (9.4 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e32°–104° F (0°–40° C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5%–85% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003eWhat is the maximum output power of the MPA-Q 4x500?\u003c\/dt\u003e\n\u003cdd\u003eWhen all four channels are driven simultaneously, each channel delivers up to 500 W maximum (300 W continuous) into 8Ω, 70 V, or 100 V loads. When two channels are bridged (A+B or C+D), the bridged pair delivers up to 1000 W maximum (600 W continuous) into 8Ω. Note: 2Ω bridged operation is not supported.\u003c\/dd\u003e\n\u003cdt\u003eHow does this compare to the MPA-Q 4x250?\u003c\/dt\u003e\n\u003cdd\u003eThe MPA-Q 4x500 doubles the per-channel output power of the MPA-Q 4x250 (500 W vs. 250 W per channel), using the same 2RU chassis and feature set. Choose the 4x500 when loudspeaker systems require more headroom or when bridged operation is needed for high-power applications.\u003c\/dd\u003e\n\u003cdt\u003eCan the MPA-Q 4x500 operate without a Q-SYS Core?\u003c\/dt\u003e\n\u003cdd\u003eYes. The rear-panel Mode switch set to Analog Mode bypasses Q-SYS entirely. Analog inputs route directly to corresponding outputs, and basic channel parameters are configurable from the front-panel display.\u003c\/dd\u003e\n\u003cdt\u003eDoes the MPA-Q 4x500 support 70 V and 100 V distributed audio?\u003c\/dt\u003e\n\u003cdd\u003eYes. All four channels support Lo-Z (2, 4, 8Ω), 70 V, 100 V, and Hi-Z operation, all configurable in Q-SYS Designer Software without hardware changes.\u003c\/dd\u003e\n\u003cdt\u003eCan Creation Networks specify and integrate the MPA-Q 4x500?\u003c\/dt\u003e\n\u003cdd\u003e\n\u003ca href=\"https:\/\/creationnetworks.net\"\u003eCreation Networks\u003c\/a\u003e is an authorized QSC dealer offering system design, amplifier selection consulting, and full Q-SYS integration services. Contact us to discuss your project requirements.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"QSC","offers":[{"title":"Default Title","offer_id":47780537860332,"sku":"MPA-Q 4x500","price":2975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/MPA-Q_4x500-hdr-Sliders-hero_crop.jpg?v=1782256307","url":"https:\/\/creationnetworks.net\/products\/qsc-mpa-q-4x500-4-channel-500w-q-sys-network-amplifier","provider":"Creation Networks","version":"1.0","type":"link"}