{"product_id":"aa400phd-aa400phd-6-channel-400w-commercial-mixer-amplifier-with-phd-system-automatic-testing-7","title":"AA400PHD 6-Channel 400W Commercial Mixer Amplifier with PHD System, Automatic Testing, 70.7V, Background Music and Paging","description":"\u003cp\u003eThe AA400PHD mixer amplifier is a professional-grade solution for commercial audio applications, delivering 400 watts of power across 25V, 70.7V, or 4Ω systems. This versatile unit features six input channels, including four mic\/line inputs with phantom power and two stereo line inputs, making it ideal for business paging and background music applications. The innovative Push Here Diagnostic (PHD) system sets this amplifier apart, automatically testing speaker lines for impedance and wiring issues to ensure optimal performance. Perfect for medium to large venues, this mixer amplifier offers comprehensive control options including remote input selection and volume adjustment. The unit excels in commercial environments where reliable sound distribution is essential, with advanced zoning and muting capabilities that simplify complex audio setups. Whether managing background music, paging systems, or speech privacy applications, the AA400PHD delivers consistent, clear audio while streamlining system management and maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel\/SKU:\u003c\/strong\u003e AA400PHD \/ 02-PQ02-EENQ\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help with compatibility?\u003c\/strong\u003e Contact RA Forty Five Inc. for sourcing, model matching, or quote assistance.\u003c\/p\u003e","brand":"RA Forty Five Inc.","offers":[{"title":"Default Title","offer_id":49959430488341,"sku":"02-PQ02-EENQ","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/5394\/0757\/files\/image_a9f20c72-4af0-4491-960a-e1ae299abe4c.png?v=1781085634","url":"https:\/\/www.raztechs.com\/products\/aa400phd-aa400phd-6-channel-400w-commercial-mixer-amplifier-with-phd-system-automatic-testing-7","provider":"My Store","version":"1.0","type":"link"}