{"product_id":"quest-qta4040m-professional-4-400w-class-d-multi-channel-installation-power-amplifier-with-dsp-dante™-70v-100v-support","title":"Quest QTA4040M Professional 4×400W Class-D Multi-Channel Installation Power Amplifier with DSP, Dante™ \u0026 70V\/100V Support","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:0caa6bb6-c821-4c86-8874-612eac43fc70-33\" data-turn-id-container=\"request-WEB:0caa6bb6-c821-4c86-8874-612eac43fc70-33\" data-testid=\"conversation-turn-68\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"44c1c31a-f89e-4fe0-8158-1b2a0ac2594f\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"149\" data-end=\"833\"\u003eThe Quest QTA4040M is a professional 4-channel Class-D installation power amplifier engineered for advanced commercial audio systems, multi-zone distributed sound applications, enterprise AV integration, hospitality venues, educational campuses, houses of worship, and large-scale installed sound environments requiring intelligent DSP processing, network audio integration, and highly efficient multi-channel amplification. As part of Quest Engineering’s advanced QTA Series, the QTA4040M combines high-efficiency Class-D amplification, integrated DSP control, Dante™ networking capability, and flexible low\/high-impedance operation within a compact professional rack-mount platform.\u003c\/p\u003e\n\u003cp data-start=\"835\" data-end=\"1337\"\u003eDesigned for modern networked AV infrastructures, the QTA4040M delivers 4 × 400W output power with support for both low-impedance and 70V\/100V distributed audio systems, making it ideal for commercial installations requiring flexible loudspeaker deployment and centralized system control. The amplifier’s integrated DSP engine enables advanced loudspeaker optimization, system tuning, crossover management, EQ adjustment, delay configuration, and limiter control directly within the amplifier platform.\u003c\/p\u003e\n\u003cp data-start=\"1339\" data-end=\"1751\"\u003eThe built-in Dante™ network audio capability enables seamless integration into digital AV infrastructures and enterprise audio networks, allowing low-latency multi-channel audio transport across large-scale commercial environments. This makes the QTA4040M particularly suitable for modern conferencing systems, hospitality audio networks, educational facilities, and centralized paging\/distributed sound systems.\u003c\/p\u003e\n\u003cp data-start=\"1753\" data-end=\"2212\"\u003eEngineered for professional reliability, the amplifier incorporates comprehensive protection systems including thermal protection, overload protection, short-circuit protection, DC protection, and intelligent cooling management to ensure stable continuous-duty operation in demanding installation environments. The high-efficiency Class-D architecture minimizes heat generation and reduces power consumption while maintaining strong dynamic audio performance.\u003c\/p\u003e\n\u003cp data-start=\"2214\" data-end=\"2424\"\u003eIts compact rack-mount chassis and installation-focused design provide system integrators with a scalable, energy-efficient, and network-ready amplification solution for professional commercial AV applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"o3tx9j\" data-start=\"2426\" data-end=\"2453\"\u003ePerformance Highlights:\u003c\/h3\u003e\n\u003cp data-start=\"2454\" data-end=\"2767\"\u003e• Professional 4-channel Class-D installation amplifier\u003cbr data-start=\"2509\" data-end=\"2512\"\u003e• 4 × 400W output power for commercial audio systems\u003cbr data-start=\"2564\" data-end=\"2567\"\u003e• Integrated DSP processing for advanced loudspeaker optimization\u003cbr data-start=\"2632\" data-end=\"2635\"\u003e• Dante™ network audio capability for digital AV infrastructures\u003cbr data-start=\"2699\" data-end=\"2702\"\u003e• Supports low-impedance and 70V\/100V distributed audio systems\u003c\/p\u003e\n\u003ch2 data-section-id=\"1071k5m\" data-start=\"2769\" data-end=\"2803\"\u003eWhy You Should Buy This Product\u003c\/h2\u003e\n\u003cp data-start=\"2805\" data-end=\"3170\"\u003e• ⭐ Integrated DSP reduces need for external system processors\u003cbr data-start=\"2867\" data-end=\"2870\"\u003e• ⭐ Dante™ networking enables scalable enterprise AV integration\u003cbr data-start=\"2934\" data-end=\"2937\"\u003e• ⭐ Flexible low-impedance and 70V\/100V support simplifies installations\u003cbr data-start=\"3009\" data-end=\"3012\"\u003e• ⭐ Compact multi-channel design saves rack space and energy consumption\u003cbr data-start=\"3084\" data-end=\"3087\"\u003e• ⭐ Ideal for hospitality, education, conferencing, and distributed audio systems\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"3172\" data-end=\"3187\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"3189\" data-end=\"3707\"\u003e• 4-channel professional installation amplifier\u003cbr data-start=\"3236\" data-end=\"3239\"\u003e• 4 × 400W Class-D amplification platform\u003cbr data-start=\"3280\" data-end=\"3283\"\u003e• Integrated DSP signal processing\u003cbr data-start=\"3317\" data-end=\"3320\"\u003e• Dante™ network audio support\u003cbr data-start=\"3350\" data-end=\"3353\"\u003e• 70V \/ 100V distributed audio compatibility\u003cbr data-start=\"3397\" data-end=\"3400\"\u003e• Low-impedance speaker operation support\u003cbr data-start=\"3441\" data-end=\"3444\"\u003e• Advanced loudspeaker optimization controls\u003cbr data-start=\"3488\" data-end=\"3491\"\u003e• Built-in EQ, crossover, limiter \u0026amp; delay processing\u003cbr data-start=\"3543\" data-end=\"3546\"\u003e• Rack-mount professional chassis\u003cbr data-start=\"3579\" data-end=\"3582\"\u003e• Intelligent thermal management system\u003cbr data-start=\"3621\" data-end=\"3624\"\u003e• Commercial AV integration capability\u003cbr data-start=\"3662\" data-end=\"3665\"\u003e• Continuous-duty professional operation\u003c\/p\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"3709\" data-end=\"3735\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1ykprhv\" data-start=\"3737\" data-end=\"3747\"\u003eGeneral\u003c\/h2\u003e\n\u003cp data-start=\"3749\" data-end=\"3850\"\u003e• Product Type: Multi-Channel DSP Installation Power Amplifier\u003cbr data-start=\"3811\" data-end=\"3814\"\u003e• Brand: Quest\u003cbr data-start=\"3828\" data-end=\"3831\"\u003e• Model: QTA4040M\u003c\/p\u003e\n\u003ch2 data-section-id=\"1khwwct\" data-start=\"3852\" data-end=\"3874\"\u003eAudio \u0026amp; Performance\u003c\/h2\u003e\n\u003cp data-start=\"3876\" data-end=\"4054\"\u003e• Amplifier Channels: 4 Channels\u003cbr data-start=\"3908\" data-end=\"3911\"\u003e• Output Power: 4 × 400W\u003cbr data-start=\"3935\" data-end=\"3938\"\u003e• Amplifier Class: Class-D\u003cbr data-start=\"3964\" data-end=\"3967\"\u003e• Frequency Response: —\u003cbr data-start=\"3990\" data-end=\"3993\"\u003e• Signal-to-Noise Ratio: —\u003cbr data-start=\"4019\" data-end=\"4022\"\u003e• Total Harmonic Distortion: —\u003c\/p\u003e\n\u003ch2 data-section-id=\"yds89b\" data-start=\"4056\" data-end=\"4075\"\u003eDSP \u0026amp; Processing\u003c\/h2\u003e\n\u003cp data-start=\"4077\" data-end=\"4239\"\u003e• Built-in DSP: Yes\u003cbr data-start=\"4096\" data-end=\"4099\"\u003e• EQ Processing: Yes\u003cbr data-start=\"4119\" data-end=\"4122\"\u003e• Crossover Processing: Yes\u003cbr data-start=\"4149\" data-end=\"4152\"\u003e• Delay Processing: Yes\u003cbr data-start=\"4175\" data-end=\"4178\"\u003e• Limiter Processing: Yes\u003cbr data-start=\"4203\" data-end=\"4206\"\u003e• Loudspeaker Optimization: Yes\u003c\/p\u003e\n\u003ch2 data-section-id=\"zfpcnp\" data-start=\"4241\" data-end=\"4258\"\u003ePower Handling\u003c\/h2\u003e\n\u003cp data-start=\"4260\" data-end=\"4374\"\u003e• Low-Impedance Operation: Yes\u003cbr data-start=\"4290\" data-end=\"4293\"\u003e• High-Impedance Operation: 70V \/ 100V\u003cbr data-start=\"4331\" data-end=\"4334\"\u003e• Multi-Zone Distribution Support: Yes\u003c\/p\u003e\n\u003ch2 data-section-id=\"ujm01s\" data-start=\"4376\" data-end=\"4391\"\u003eConnectivity\u003c\/h2\u003e\n\u003cp data-start=\"4393\" data-end=\"4553\"\u003e• Audio Inputs: Professional Balanced Inputs\u003cbr data-start=\"4437\" data-end=\"4440\"\u003e• Network Audio: Dante™\u003cbr data-start=\"4463\" data-end=\"4466\"\u003e• Speaker Outputs: Multi-Channel Outputs\u003cbr data-start=\"4506\" data-end=\"4509\"\u003e• Control Interface: DSP \/ Network Control\u003c\/p\u003e\n\u003ch2 data-section-id=\"1u06rja\" data-start=\"4555\" data-end=\"4568\"\u003eProtection\u003c\/h2\u003e\n\u003cp data-start=\"4570\" data-end=\"4719\"\u003e• Thermal Protection: Yes\u003cbr data-start=\"4595\" data-end=\"4598\"\u003e• Overload Protection: Yes\u003cbr data-start=\"4624\" data-end=\"4627\"\u003e• Short Circuit Protection: Yes\u003cbr data-start=\"4658\" data-end=\"4661\"\u003e• DC Protection: Yes\u003cbr data-start=\"4681\" data-end=\"4684\"\u003e• Intelligent Cooling System: Yes\u003c\/p\u003e\n\u003ch2 data-section-id=\"16n806i\" data-start=\"4721\" data-end=\"4747\"\u003ePhysical \u0026amp; Installation\u003c\/h2\u003e\n\u003cp data-start=\"4749\" data-end=\"4883\"\u003e• Mounting Type: Rack Mount\u003cbr data-start=\"4776\" data-end=\"4779\"\u003e• Chassis Construction: Metal\u003cbr data-start=\"4808\" data-end=\"4811\"\u003e• Finish: Black\u003cbr data-start=\"4826\" data-end=\"4829\"\u003e• Cooling System: Temperature-Controlled Fan Cooling\u003c\/p\u003e\n\u003ch2 data-section-id=\"1kmusxh\" data-start=\"4885\" data-end=\"4901\"\u003eConfiguration\u003c\/h2\u003e\n\u003cp data-start=\"4903\" data-end=\"5146\"\u003e• Amplifier Type: DSP Network Installation Amplifier\u003cbr data-start=\"4955\" data-end=\"4958\"\u003e• System Type: Commercial Distributed Audio Amplifier\u003cbr data-start=\"5011\" data-end=\"5014\"\u003e• Built-in DSP: Yes\u003cbr data-start=\"5033\" data-end=\"5036\"\u003e• Transformer: Integrated Hi-Z Operation Support\u003cbr data-start=\"5084\" data-end=\"5087\"\u003e• Mode: Low \u0026amp; High Impedance Professional Audio Operation\u003c\/p\u003e\n\u003ch2 data-section-id=\"ntyisd\" data-start=\"5148\" data-end=\"5159\"\u003eIncluded\u003c\/h2\u003e\n\u003cp data-start=\"5161\" data-end=\"5252\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• 1 × 4-Channel DSP Installation Power Amplifier\u003cbr data-start=\"5209\" data-end=\"5212\"\u003e• 1 × Power Cable\u003cbr data-start=\"5229\" data-end=\"5232\"\u003e• User Documentation\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"contents\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Quest","offers":[{"title":"Default Title","offer_id":52966328467775,"sku":"Quest QTA4040M","price":29900.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/5942\/1272\/files\/qta4040m-front-tn.jpg?v=1778677707","url":"https:\/\/audiomaxx.in\/products\/quest-qta4040m-professional-4-400w-class-d-multi-channel-installation-power-amplifier-with-dsp-dante%e2%84%a2-70v-100v-support","provider":"Audiomaxx India","version":"1.0","type":"link"}