{"product_id":"qsc-mpa-q-4x250-4-channel-250w-q-sys-network-amplifier","title":"QSC MPA-Q 4x250 – 4-Channel 250W Q-SYS Network Amplifier","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe QSC MPA-Q 4x250 is a four-channel, 250 W per channel Q-SYS network amplifier that serves as the entry point to the MPA-Q Series — QSC's mid-power tier in the Q-SYS network amplifier portfolio. Combining native Q-SYS integration with practical four-channel flexibility and 250 W output power, the MPA-Q 4x250 is well-suited for medium-sized zones in hospitality, retail, entertainment, and corporate facilities where Q-SYS control is preferred but high-density channel counts are not required. \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 4x250 delivers 250 W per channel across four independently configurable output channels with Lo-Z, Hi-Z, 70 V, and 100 V direct drive 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 connectivity, and LAN A optionally accepts PoE (802.3af Type 1) for rapid audio restore following a power interruption. Standalone Mode automatically switches to available analog inputs if network connectivity drops. When bridged, two channels combine to deliver up to 500 W maximum into a single load. The quiet fan-cooled, full-rack-width 2RU chassis supports rack and surface mounting and includes four GPI inputs and two NO\/NC relays for seamless control system integration.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e4 output channels at 250 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 500 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\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\u003eHotel restaurants, bars, and meeting rooms requiring independent zone control via Q-SYS\u003c\/li\u003e\n\u003cli\u003eRetail environments with defined audio zones needing moderate output power\u003c\/li\u003e\n\u003cli\u003eCorporate conference centers and office common areas with Q-SYS-managed audio\u003c\/li\u003e\n\u003cli\u003eEntertainment venues with smaller performance or lounge spaces\u003c\/li\u003e\n\u003cli\u003eHouses of worship with side chapel, lobby, or overflow room audio zones\u003c\/li\u003e\n\u003cli\u003eSmall-to-medium ballrooms and banquet halls with flexible zone audio requirements\u003c\/li\u003e\n\u003cli\u003eProjects requiring an entry-level MPA-Q amplifier with full Q-SYS feature integration\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\u003e150 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\u003e250 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\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power (2-ch bridged, 8Ω)\u003c\/td\u003e\n\u003ctd\u003e500 W max \/ 300 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\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eFull-rack width, 2RU\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\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eQuiet fan-cooled; suitable for co-location with loudspeakers\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\u003eHow does the MPA-Q 4x250 compare to the MPA-Q 4x500?\u003c\/dt\u003e\n\u003cdd\u003eBoth models offer 4 output channels with identical features, connectivity, and DSP. The difference is output power: the 4x250 delivers 250 W per channel (500 W bridged maximum) while the 4x500 delivers 500 W per channel (1000 W bridged maximum). Choose the 4x250 when loudspeaker system requirements are met at 250 W per zone.\u003c\/dd\u003e\n\u003cdt\u003eCan the MPA-Q 4x250 operate without a Q-SYS Core processor?\u003c\/dt\u003e\n\u003cdd\u003eYes. Setting the rear-panel Mode switch to Analog Mode bypasses Q-SYS entirely. Analog inputs route directly to corresponding outputs, and basic channel parameters including gain, mute, impedance, and bridge are configurable from the front-panel display.\u003c\/dd\u003e\n\u003cdt\u003eDoes the MPA-Q 4x250 support 70 V and 100 V distributed speaker systems?\u003c\/dt\u003e\n\u003cdd\u003eYes. All four output channels support Lo-Z (2, 4, 8Ω), 70 V, 100 V, and Hi-Z operation, configurable in Q-SYS Designer Software without any hardware changes.\u003c\/dd\u003e\n\u003cdt\u003eWhat happens if the network drops while the amplifier is in Q-SYS Mode?\u003c\/dt\u003e\n\u003cdd\u003eStandalone Mode (configured in Q-SYS Designer) allows the amplifier to automatically switch to available analog line inputs when network connectivity is lost. Audio resumes from those inputs immediately, and switches back to Q-LAN networked audio when connectivity is restored.\u003c\/dd\u003e\n\u003cdt\u003eCan Creation Networks help specify the right MPA-Q model for my project?\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, zone power analysis, and full Q-SYS integration services. Contact us to discuss your project and determine the best amplifier configuration for your needs.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"QSC","offers":[{"title":"Default Title","offer_id":47780537827564,"sku":"MPA-Q 4x250","price":2325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/MPA-Q_4x250-hdr-Sliders-hero_crop.jpg?v=1782256306","url":"https:\/\/creationnetworks.net\/products\/qsc-mpa-q-4x250-4-channel-250w-q-sys-network-amplifier","provider":"Creation Networks","version":"1.0","type":"link"}