{"product_id":"on-stage-ha4000","title":"On-Stage HA4000 Four-Channel Headphone Amplifier","description":"\u003cp\u003eThe HA4000 takes one stereo input and feeds four stereo headphone outputs, each with its own volume control. Up to four people can listen to the same source and set their own level, for example while recording or on a broadcast. It is compact and stays quiet across the full volume range.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFour headphone outputs from one stereo source\u003c\/li\u003e\n\u003cli\u003eSeparate volume control on each output\u003c\/li\u003e\n\u003cli\u003eLow noise at every volume setting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e 1\/4 in. TRS stereo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 4 x 1\/4 in. TRS stereo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum output level:\u003c\/strong\u003e +22 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum gain:\u003c\/strong\u003e 20 dB per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-noise ratio:\u003c\/strong\u003e Over 98 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e 1000k ohms, unbalanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput impedance:\u003c\/strong\u003e 10 ohms minimum per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 to 18 V DC adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIn the Box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHA4000 headphone amplifier\u003c\/li\u003e\n\u003cli\u003eDC power adapter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"On-Stage","offers":[{"title":"Default Title","offer_id":67645461233913,"sku":"HA4000","price":72.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/5766\/1177\/files\/HA4000_6a0e84fd-1935-4ab7-b36c-94cb774220ce.jpg?v=1794260035","url":"https:\/\/blackoutaudio.com\/products\/on-stage-ha4000","provider":"Blackout Audio","version":"1.0","type":"link"}