{"product_id":"afw-00125085","title":"HP4","description":"Tired of straining to hear the headphones? The HP4's four 130 mW headphone outputs are clear, clean, and screaming loud, all packed in a compact, 1\/3U chassis. Features include balanced L\/R line inputs and outputs, global mute, overall level control, and sum to mono. The line outputs can feed another HP4 or an HP60.\u003cbr\u003e\u003cbr\u003eFeatures include:\u003cbr\u003e• 4 screaming-loud (130 mW per channel) stereo headphone amps\u003cbr\u003e• Mono summing\u003cbr\u003e• Monitor level control and mute\u003cbr\u003e• Daisy-chain multiple units via monitor outputs\u003cbr\u003e• Compact 1\/3U rack-mount chassis","brand":"PreSonus","offers":[{"title":"Default Title","offer_id":50536309915727,"sku":"AFW-00125085","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1271\/8671\/files\/AFW-00125085.jpg?v=1790593916","url":"https:\/\/amadeussheetmusic.com\/products\/afw-00125085","provider":"Amadeus Sheet Music","version":"1.0","type":"link"}