{"id":459912,"date":"2025-01-11T06:48:22","date_gmt":"2025-01-11T06:48:22","guid":{"rendered":"https:\/\/www.techforbrains.com\/?p=459912"},"modified":"2025-01-11T06:48:22","modified_gmt":"2025-01-11T06:48:22","slug":"audirect-atom4-high-performance-digital-to-analog-converter","status":"publish","type":"post","link":"https:\/\/www.hifiratings.com\/tech\/hi-fi\/audirect-atom4-high-performance-digital-to-analog-converter\/","title":{"rendered":"Audirect ATOM4: High performance digital-to-analog converter"},"content":{"rendered":"<p>Audirect ATOM4 is an innovative compact digital-to-analog converter that offers exceptional performance and user-friendly features. It incorporates the advanced ESS9281AC PRO chip along with dual RT6863C operational amplifiers, delivering impressive output power. With support for PCM up to 32 bit \/ 768 kHz, the ATOM4 ensures precise and high-fidelity audio reproduction.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"bbImage aligncenter\" title=\"Audirect ATOM4\" src=\"https:\/\/www.hifiratings.com\/tech\/wp-content\/uploads\/2025\/01\/17_techweek.jpg\" alt=\"Audirect ATOM4\" width=\"784\" height=\"784\" data-url=\"\" data-zoom-target=\"1\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>The device features two headphone outputs, one 3.5 mm and the other 4.4 mm, enabling the use of both standard and balanced connections. This versatility makes it suitable for a wide range of headphones and professional audio equipment.<\/p>\n<p>Significant emphasis has been placed on the power separation within the unit, ensuring that digital and analog circuits function independently. This design minimizes interference and enhances signal stability.<\/p>\n<p>Weighing just 19 grams and housed in a robust metal casing, the ATOM4 is an excellent option for portable use. Its compact design, paired with a sleek aesthetic, underscores its practicality.<\/p>\n<p>With USB-C compatibility, the device can be easily connected to smartphones, tablets, and computers without the need for additional drivers. The plug-and-play feature allows for immediate and effortless playback of high-quality audio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"bbImage\" title=\"Audirect ATOM4\" src=\"https:\/\/www.hifiratings.com\/tech\/wp-content\/uploads\/2025\/01\/18_techweek.jpg\" alt=\"Audirect ATOM4\" width=\"1882\" height=\"882\" data-url=\"\" data-zoom-target=\"1\" \/><\/p>\n<h3>Audirect ATOM4 specifications:<\/h3>\n<ul>\n<li data-xf-list-type=\"ul\">DAC: ESS9281AC PRO<\/li>\n<li data-xf-list-type=\"ul\">Operational amplifiers: RT6863C x 2<\/li>\n<li data-xf-list-type=\"ul\">Audio input: USB-C<\/li>\n<li data-xf-list-type=\"ul\">Audio outputs: 3.5mm \/ 4.4mm (balanced)<\/li>\n<li data-xf-list-type=\"ul\">Frequency response: up to 40 kHz (&lt; \u00b10.08 dB)<\/li>\n<li data-xf-list-type=\"ul\">First stage amplifier: RT6863 (2 pcs.)<\/li>\n<li data-xf-list-type=\"ul\">Second stage of amplification: switchable amplifier<\/li>\n<li data-xf-list-type=\"ul\">4.4mm output: balanced, up to 4.2V RMS<\/li>\n<li data-xf-list-type=\"ul\">3.5mm output: up to 2V RMS<\/li>\n<li data-xf-list-type=\"ul\">Output power (32 Ohm): \u2265137 mW (balanced) \/ \u2265126 mW (SE)<\/li>\n<li data-xf-list-type=\"ul\">Output power (600 Ohm): \u226529 mW (balanced) \/ \u22657 mW (SE)<\/li>\n<li data-xf-list-type=\"ul\">Signal to noise ratio: -119 dB<\/li>\n<li data-xf-list-type=\"ul\">Harmonic distortion (THD+N): 0.0004%<\/li>\n<li data-xf-list-type=\"ul\">Sampling frequency: up to 32 bit \/ 768 kHz<\/li>\n<li data-xf-list-type=\"ul\">DSD support: up to DSD512<\/li>\n<li data-xf-list-type=\"ul\">Weight: 19 g<\/li>\n<li data-xf-list-type=\"ul\">Battery: none<\/li>\n<\/ul>\n<p>Price\u00a0: $60<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Audirect ATOM4 is an innovative compact digital-to-analog converter that offers exceptional performance and user-friendly features. It incorporates the advanced ESS9281AC PRO chip along with dual RT6863C operational amplifiers, delivering impressive output power. With support for PCM up to 32 bit \/ 768 kHz, the ATOM4 ensures precise and high-fidelity audio reproduction. &nbsp; The device features [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.hifiratings.com\/tech\/hi-fi\/audirect-atom4-high-performance-digital-to-analog-converter\/\">More<\/a><\/p>\n","protected":false},"author":10402,"featured_media":459913,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":["post-459912","post","type-post","status-publish","format-standard","has-post-thumbnail","category-hi-fi","tag-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/posts\/459912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/users\/10402"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/comments?post=459912"}],"version-history":[{"count":1,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/posts\/459912\/revisions"}],"predecessor-version":[{"id":459916,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/posts\/459912\/revisions\/459916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/media\/459913"}],"wp:attachment":[{"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/media?parent=459912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/categories?post=459912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hifiratings.com\/tech\/wp-json\/wp\/v2\/tags?post=459912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}