{"id":150457,"date":"2023-10-23T16:54:55","date_gmt":"2023-10-23T15:54:55","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=150457"},"modified":"2023-10-23T20:22:02","modified_gmt":"2023-10-23T19:22:02","slug":"fiio-k7-desktop-dac-pre-headphone-amp","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/hi-fi\/fiio-k7-desktop-dac-pre-headphone-amp\/","title":{"rendered":"FiiO K7: Desktop DAC\/Pre\/Headphone Amp"},"content":{"rendered":"<p><span>The impetus for the development\u00a0<\/span><span>of the K7<\/span><span>\u00a0desktop audio device , according to FiiO Electronics Technology Co.\u00a0Ltd., was surprised by the &#8220;great success of FiiO K5 Pro&#8221;.\u00a0In fact, this DAC \/ headphone amplifier \/ preamplifier has become one of the brightest representatives of the already established class of desktop audio.\u00a0These devices are popular among computer workaholics and just lovers of compact but high-quality audio systems.<\/span><\/p>\n<p><span>The specifics of the FiiO K7 require minimal dimensions &#8211; and on the table the device will take up an area of \u200b\u200b\u200b\u200bno more than a third of a standard A4 sheet.\u00a0This is with the case horizontal, but you can still put it vertically &#8211; and then the K7 will require even less space.<\/span><\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2022\/11\/46_techweek.jpg\" width=\"1280\" height=\"741\" \/><figcaption><\/figcaption><\/figure>\n<p><span>Almost the entire width of the front panel is occupied by a large encoder that controls the volume using the NJU72315 chip and a buffer amplifier.\u00a0The design is complemented by RGB color indication &#8211; mode switching looks bright in its own way.<\/span><\/p>\n<p><span>An external switching power supply 12 V operates on several independent stages operating on individual components of the device.\u00a0Significant, of course, are the latest generation AK4493SEQ DAC chips from the Japanese AKM, which are used in a dual mono configuration.\u00a0With them, the FiiO K7 is ready to handle PCM audio signals up to 32bit 384kHz and DSD up to DSD256.<\/span><\/p>\n<p><span>The XMOS XUF208 chip uses dual clock control, and the output stage is based on two THX AAA 788+ modules from THX Ltd.\u00a0With them, the K7 delivers 560 mW per channel to 300-ohm headphones, and for classic 32 ohm headphones, the power reaches up to 2 watts, while the THD + N parameter does not exceed 1%.\u00a0The manufacturer, not without reason, said that the K7 &#8220;can handle really any headphones without much effort.&#8221;\u00a0At the same time, the circuit provided protection systems against overheating, overload and direct current.<\/span><\/p>\n<p><span>The FiiO K7 desktop DAC\/pre\/headphone amp was priced at \u20ac220 in Europe.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The impetus for the development\u00a0of the K7\u00a0desktop audio device , according to FiiO Electronics Technology Co.\u00a0Ltd., was surprised by the &#8220;great success of FiiO K5 Pro&#8221;.\u00a0In fact, this DAC \/ headphone amplifier \/ preamplifier has become one of the brightest representatives of the already established class of desktop audio.\u00a0These devices are popular among computer workaholics [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/hi-fi\/fiio-k7-desktop-dac-pre-headphone-amp\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":150458,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":{"0":"post-150457","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-hi-fi","8":"tag-news"},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/150457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/users\/10404"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/comments?post=150457"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/150457\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/150458"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=150457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=150457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=150457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}