{"id":142152,"date":"2022-02-24T15:53:19","date_gmt":"2022-02-24T15:53:19","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=142152"},"modified":"2022-02-24T15:54:04","modified_gmt":"2022-02-24T15:54:04","slug":"audiosense-aq4-hybrid-headphones-with-armature-drivers-and-3d-printed-speaker","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/headphones\/audiosense-aq4-hybrid-headphones-with-armature-drivers-and-3d-printed-speaker\/","title":{"rendered":"Audiosense AQ4: Hybrid headphones with armature drivers and 3D printed speaker"},"content":{"rendered":"<p>The AQ series of hybrid headphones from AudioSense is replenished with the\u00a0AQ4\u00a0model .\u00a0The digital index means the number of drivers &#8211; there are four of them in the novelty: three reinforcement from Knowles and one 10 mm speaker.\u00a0This, of course, is less than that of the\u00a0flagship AQ7\u00a0(six rebars and a dynamic one), and the speaker is simpler &#8211; a titanium diaphragm is not mentioned.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2022\/02\/139_techweek.jpg\" width=\"1000\" height=\"1000\" \/><\/p>\n<p>Four emitters work in a crossover circuit, and even assembled in a case of a rather complex shape: from each reinforcing emitter there is a separate channel to the earphone sound duct.\u00a0Audiosense's expertise in 3D printing came in handy to produce these cases.\u00a0The material is medical grade plastic.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2022\/02\/140_techweek.jpg\" width=\"1000\" height=\"713\" \/><\/p>\n<p>The impedance of the Audiosense AQ4 is minimal &#8211; only 10 ohms, which, with a sensitivity of 101 dB, will allow the headphones to produce a good and loud sound even with a weak smartphone amplifier.\u00a0Thanks to the universal MMCX connectors, the standard cable is easy to replace.\u00a0The complete one is made of high purity oxygen-free copper (OFC) with eight strands of 19 copper wires with a cross section of 0.05 mm.\u00a0In addition, in the area of \u200b\u200b\u200b\u200bconnection with the earpiece, the connector has a smooth bend &#8211; with it, the wire at the same time acts as a &#8220;behind-the-ear&#8221; mount.<\/p>\n<p>The Audiosense AQ4 also includes nine pairs of ear pads and a cleaning brush.\u00a0In Europe, the headphones will cost 158 \u200b\u200beuros.<\/p>\n<!-- FeedbackWP Plugin --><div        class=\"rmp-widgets-container rmp-wp-plugin rmp-main-container js-rmp-widgets-container js-rmp-widgets-container--142152 \"        data-post-id=\"142152\">        <!-- Rating widget -->    <div class=\"rmp-rating-widget js-rmp-rating-widget\" role=\"group\" aria-labelledby=\"rmp-title-142152\">                    <p class=\"rmp-heading rmp-heading--title\" id=\"rmp-title-142152\">                Rate this product            <\/p>               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