{"id":18018,"date":"2026-05-18T14:00:29","date_gmt":"2026-05-18T13:00:29","guid":{"rendered":"http:\/\/www.callanthe.im\/index.php\/product\/genius-sp-hf300u-4w-rms-usb-audio-speakers-usb-a-usb-c-compatible-with-windows-macos-and-chrome-os-devices\/"},"modified":"2026-05-18T14:00:31","modified_gmt":"2026-05-18T13:00:31","slug":"genius-sp-hf300u-4w-rms-usb-audio-speakers-usb-a-usb-c-compatible-with-windows-macos-and-chrome-os-devices","status":"publish","type":"product","link":"https:\/\/www.callanthe.im\/index.php\/product\/genius-sp-hf300u-4w-rms-usb-audio-speakers-usb-a-usb-c-compatible-with-windows-macos-and-chrome-os-devices\/","title":{"rendered":"Genius SP-HF300U, 4W RMS, USB Audio Speakers, USB-A &#038; USB-C, Compatible with Windows, macOS, and Chrome OS devices"},"content":{"rendered":"<p><b>Features<\/b><br \/>\u2022USB audio speakers<br \/>\u2022Dual-head USB-A &#038; USB-C audio cable (choose one)<br \/>\u2022Total output power: 4 watts RMS<br \/>\u20222&#8243; full-range drivers with clear, balanced sound<br \/>\u2022Easy rotary power &#038; volume control knob<br \/>\u2022Available in black or white<\/p>\n<p><b>CLEAR SOUND IN A COMPACT DESIGN<\/b><br \/>Genius SP-HF300U is a small, beautifully designed compact speaker with 2&#8243; full-range drivers that deliver clear, balanced, and Hi-Fi stereo sound. Enjoy a stable connection and a clutter-free desk.<\/p>\n<p><b>SIMPLE CONTROL READY FOR EVERY DESK<\/b><br \/>Blue LED power and easy volume control knob make it easy to enjoy clean sound at home or in the office.<\/p>\n<p><b>PLUG INTO ANY DEVICE, PLAY EVERYWHERE<\/b><br \/>Genius SP-HF300U delivers 4W RMS power output with a simple, fast setup\u2014just plug into your PC, laptop, or projector via dual-head USB-A and USB-C connectivity.<\/p>\n<p><b>Interface<\/b><br \/>USB-A\/USB-C (2-in-1)<\/p>\n<p><b>Total Output Power<\/b><br \/>4W RMS<\/p>\n<p><b>Drivers<\/b><br \/>2&#8243; x 2<\/p>\n<p><b>Frequency Response<\/b><br \/>100 Hz \u2013 20 kHz<\/p>\n<p><b>S\/N Ratio<\/b><br \/>65 dB<\/p>\n<p><b>Power Supply<\/b><br \/>5V USB<\/p>\n<p><b>Volume Control<\/b><br \/>Power &#038; Volume Knob<\/p>\n<p><b>Weight<\/b><br \/>Approx. 645 g<\/p>\n<p><b>Dimensions (W x H x D) mm (inches)<\/b><br \/>85 x 97 x 95 mm (3.3 x 3.8 x 3.7 inches)<\/p>\n<p><b>System requirements<\/b><br \/>-USB-A or USB-C port for power and digital audio<br \/>-Compatible with Windows, macOS, and Chrome OS devices<\/p>\n<p><b>Colours<\/b><br \/>Black, White<\/p>\n<p>*Product color and images shown on the package are for reference ONLY. For actual items, refer to the physical goods contained herein.<\/p>\n<p><b>What&#8217;s included<\/b><br \/>SP-HF300U (USB Speakers)<br \/>Quick guide<\/p>\n<ul>\n<li>Speaker System: 2.0<\/li>\n<li>Power Connection: USB<\/li>\n<li>Audio Input: USB<\/li>\n<li>Output Power: 4W<\/li>\n<li>Colour: Black<\/li>\n<li>Packaging: Retail<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Genius SP-HF300U, 4W RMS, USB Audio Speakers, USB-A &#038; USB-C, Compatible with Windows, macOS, and Chrome OS devices<\/p>\n","protected":false},"featured_media":15878,"template":"","meta":[],"product_brand":[26],"product_cat":[150],"product_tag":[151],"class_list":["post-18018","product","type-product","status-publish","has-post-thumbnail","product_brand-genius","product_cat-speakers","product_tag-speakers","first","instock","sold-individually","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product\/18018","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/media\/15878"}],"wp:attachment":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/media?parent=18018"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_brand?post=18018"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_cat?post=18018"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_tag?post=18018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}