{"product_id":"useful-arts-swarm-4-channel-microphone-preamp","title":"Useful Arts Swarm 4-Channel Solid State Microphone Preamp","description":"\u003c!-- Video Section with Keyword Title --\u003e\n\u003cdiv style=\"margin: 20px auto 10px auto; text-align: center; max-width: 800px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin-bottom: 12px;\"\u003eUseful Arts Swarm 4-Channel Preamp Overview\u003c\/h2\u003e\n\u003ciframe style=\"width: 100%; max-width: 800px; height: 450px; display: block; margin: 0 auto; border-radius: 8px;\" src=\"https:\/\/www.youtube.com\/embed\/rJQcq__k3uM?si=IpLwRHFqtrftxYti\"\u003e\n  \u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003c!-- Section 1 --\u003e\n\u003cdiv class=\"par-section\"\u003e\n\u003cdiv class=\"par-image\"\u003e\u003cimg alt=\"Useful Arts Swarm 4-channel solid state microphone preamp\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/usefularts_swarm_angle2-scaled.png?v=1770161746\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"par-text\"\u003e\n\u003ch2\u003eDiscrete Gain Cells and Custom CineMag Transformers\u003c\/h2\u003e\n\u003cp\u003eThe Useful Arts Swarm features discrete transistor gain cell topology on all four channels, delivering sound quality that rivals solid-state preamps costing well over $1000. Each channel is equipped with a custom CineMag input transformer and transformer-coupled output, ensuring the same huge, dimensional sound that made the Hornet preamp a studio favorite.\u003c\/p\u003e\n\u003cp\u003eUnlike the generic preamps found in most audio interfaces, the Swarm has a distinct sonic personality. The discrete transistor design and high-quality transformers on both input and output work together to create a rich, powerful signal path that sits naturally in a mix without requiring extensive processing downstream.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 2 --\u003e\n\u003cdiv class=\"par-section reverse\"\u003e\n\u003cdiv class=\"par-image\"\u003e\u003cimg alt=\"Useful Arts Swarm Color control variable saturation\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/usefularts_swarm_front-scaled.png?v=1770161741\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"par-text\"\u003e\n\u003ch2\u003eExclusive Color Control for Enhanced Character\u003c\/h2\u003e\n\u003cp\u003eThe Swarm's Color control puts creative tone shaping at your fingertips on each of the four channels. This exclusive Useful Arts feature enhances and thickens the personality of your microphone or instrument without the need for compression or EQ, adding harmonic richness that helps sources punch through a mix naturally.\u003c\/p\u003e\n\u003cp\u003eCombined with the discrete gain cell topology and transformers, the Color control allows you to dial in everything from clean and transparent to bold and aggressive, giving each channel its own character while maintaining the cohesive sound quality the Swarm is known for. This level of tonal flexibility makes the Swarm ideal for capturing diverse sources in a single session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 3 --\u003e\n\u003cdiv class=\"par-section\"\u003e\n\u003cdiv class=\"par-image\"\u003e\u003cimg alt=\"Useful Arts Swarm JFET DI inputs four channels\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/usefularts_swarm_angle2-scaled.png?v=1770161746\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"par-text\"\u003e\n\u003ch2\u003eJFET Direct Inputs on Every Channel\u003c\/h2\u003e\n\u003cp\u003eEach of the four channels on the Swarm includes a high-quality JFET direct input, making it easy to track bass, guitar, keyboards, and other instruments alongside microphone sources. The JFET design provides high input impedance and exceptional clarity, preserving the natural tone of your instruments while benefiting from the Swarm's transformers and Color control.\u003c\/p\u003e\n\u003cp\u003eThis flexibility makes the Swarm perfect for handling entire sessions — track a drum kit with overheads and spot mics, add a DI'd bass, and capture keyboards or guitar all through a single, cohesive front end. The ability to switch between mic and DI inputs on each channel means you can quickly adapt to different tracking scenarios without repatching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour independent mic\/DI channels in a 1U rackmount design\u003c\/li\u003e\n\u003cli\u003eDiscrete transistor gain cell topology on all channels\u003c\/li\u003e\n\u003cli\u003eCustom CineMag input transformers and transformer-coupled outputs\u003c\/li\u003e\n\u003cli\u003eExclusive Color control per channel for variable harmonic enhancement\u003c\/li\u003e\n\u003cli\u003eHigh-quality JFET direct inputs on every channel\u003c\/li\u003e\n\u003cli\u003eSwitchable phantom power per channel\u003c\/li\u003e\n\u003cli\u003e22 dB pad per channel for high-output sources\u003c\/li\u003e\n\u003cli\u003ePhase reverse control per channel\u003c\/li\u003e\n\u003cli\u003eHigh-pass filter per channel\u003c\/li\u003e\n\u003cli\u003eHand-built in the USA\u003c\/li\u003e\n\u003cli\u003eAffordable alternative to high-end solid-state preamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUseful Arts Swarm Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ccc;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ccc; width: 35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ccc;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003ePreamp Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eSolid-state, discrete transistor gain cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eInput Transformers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eCustom CineMag transformers per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eTransformer-coupled per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eDirect Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eJFET DI per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003ePhantom Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e+48V switchable per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eInput Pad\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e-22 dB switchable per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eHigh-Pass Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eSwitchable per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003ePhase Reverse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eSwitchable polarity reverse per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eColor Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eVariable harmonic enhancement per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eRack Spaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e1U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eHand-built in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ccc;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ccc;\"\u003eIncluded Items\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eUseful Arts Swarm 4-Channel Microphone Preamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003ePower Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ccc;\"\u003eUser Documentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Useful Arts","offers":[{"title":"Default Title","offer_id":47944210284699,"sku":"SWARM","price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/usefularts_swarm_front-scaled.png?v=1770161741","url":"https:\/\/proaudioreserve.com\/products\/useful-arts-swarm-4-channel-microphone-preamp","provider":"Pro Audio Reserve","version":"1.0","type":"link"}