{"product_id":"fatfrequency-x-effect-audio-quantum","title":"FATfreq x Effect Audio Quantum | Universal Planar IEMs","description":"\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto; width: 75%;\" alt=\"FATfreq x Effect Audio logo black\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ff-effect-audio-logo-blk.webp?v=1742412704\"\u003e\u003c\/p\u003e\n\u003ch4\u003eExperience Unrivaled Speed and Clarity with the FATfreq x Effect Audio Quantum Planar Magnetic IEM\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e14.2mm ultra-fast planar driver with FATfreq's proprietary ResoFlow™ Acoustic System\u003c\/li\u003e\n\u003cli\u003eNoah modules allow for low frequency tweaking: greater physical bass slam or stronger low-end control\u003c\/li\u003e\n\u003cli\u003ePrecise imaging and expansive soundstage\u003c\/li\u003e\n\u003cli\u003eExclusively tuned with the Ares S II from Effect Audio's Signature Series II\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"FATfrequency x Effect Audio Quantum IEM sitting center on black metal table with Ares S II cable floating around it\" height=\"2048\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/fatfreq-quantum-banner.webp?v=1746041707\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"bloom-take\"\u003e\n\u003ctable bgcolor=\"”#f6f6f6”\" width=\"90%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: #a30e0b;\"\u003e\u003cstrong\u003eBloom's Take\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe FATfreq × Effect Audio Quantum is a standout planar IEM that delivers extraordinary versatility and immersive performance. Combining a fast-response 14.2 mm planar driver with FATfreq’s ResoFlow acoustic design, it balances visceral sub-bass impact with tight, energized midbass—all while remaining highly accessible for portable use. The sound signature leans rich and powerful in the low end, yet remains tonally accurate and finely detailed through a clear midrange and smooth, extended treble that adds air and depth to vocals and acoustic elements.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eQuantum’s modular tuning via SuperStage (bass-focused) and Control modules (clarity-focused) lets listeners tailor the sound to preference, while the premium Ares S II cable enhances its sub‑bass presence and overall luxury feel. Comfort is a pleasant surprise considering its unique shell, and its ability to shine across setups cements its position as one of the most compelling and versatile IEMs of 2025.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/bloomaudio.mom\/blogs\/articles\/quantum-mechanics-fatfreeq-x-effect-audio-quantum\" title=\"FATfreq x Effect Audio Quantum Review\"\u003eRead our full review\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFATfreq x Effect Audio: Quantum\u003c\/h3\u003e\n\u003cp\u003eExperience a new level of control and precision with Quantum, a high-performance in-ear monitor featuring Planar Driver Technology and detachable Noah modules, allowing fine-tuned customization of Basscannon™ technology for a tailored low-frequency response.\u003c\/p\u003e\n\u003ch3\u003eQuantum Precision: Expansive, Lifelike Sound\u003c\/h3\u003e\n\u003cp\u003eQuantum’s Planar Driver Technology delivers ultra-fast transients, precise imaging, and an expansive soundstage, creating a lifelike sense of depth and space that enhances musical immersion. The tuning ensures a natural midrange, extended treble response, and highly resolving presentation, making it ideal for those seeking accuracy, flexibility, and dynamic realism.\u003c\/p\u003e\n\u003ch3\u003eResoFlow™ Acoustic System\u003c\/h3\u003e\n\u003cp\u003eFATfreq's proprietary ResoFlow™ Acoustic System combines a precision-tuned resonator with a reverse exponential horn waveguide. This technology gradually guides high frequencies from the planar driver mouth through a carefully tapered acoustic pathway, ensuring a controlled and effortless treble presentation.\u003c\/p\u003e\n\u003ch3\u003eSuperStage Module\u003c\/h3\u003e\n\u003cp\u003eAt the core of Quantum’s customizability lies the Noah Module System, an innovative modular tuning feature designed for versatile sound shaping. Included with Quantum is FATfreq's newly innovated SuperStage Noah Module, the same breakthrough acoustic module used in their flagship Grand Maestro.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"FATfrequency x effect audio quantum iems superstage noah module closeup\" height=\"2048\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/fatfreq-effect-audio-quantum-noah-module.webp?v=1741962314\"\u003e\u003c\/p\u003e\n\u003cp\u003eThis module expands the perceived soundstage, creating an immersive, holographic experience that places instruments and vocals with breathtaking spatial accuracy. Whether you're in the studio, on stage, or simply enjoying music, the SuperStage Noah Module transforms the listening experience by providing an unparalleled sense of openness and depth.\u003c\/p\u003e\n\u003ch3\u003eEffect Audio Ares S II Cable\u003c\/h3\u003e\n\u003cp\u003eIn collaboration with Effect Audio, Quantum has been exclusively tuned with the Ares S II from Effect Audio's Signature Series II. The Ares S II is the world's first solid core 8-wire handwoven IEM cable, enhancing signal integrity and conductivity to deliver noticeable improvements in clarity and detail. Its proprietary Dual Variant QuantumCopper™ design blends two distinct types of copper, resulting in richer sub-lows, a stronger bass kick, and thick, alluring vocals.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/fatfreq-quantum-cable.webp?v=1746041821\" width=\"2048\" height=\"1300\" alt=\"FATfrequency x Effect Audio Quantum IEMs Ares S II cable closeup of y-split sitting on top of black Quantum hard case birdseye view\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe stock cable included with Quantum is the Ares S II in ConX 0.78 2-pin connectors \u0026amp; 4.4 balanced termination, ensuring that users experience the full potential of this meticulously engineered partnership.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"FATfreq Effect Audio Quantum measurement graph\" height=\"1272\" width=\"2048\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ff-quantum-graph.webp?v=1771000651\"\u003e\u003c\/p\u003e","brand":"FATfreq","offers":[{"title":"New","offer_id":41802508730443,"sku":"FF-QUANTUM-BATCH1","price":759.0,"currency_code":"USD","in_stock":true},{"title":"Open Box","offer_id":41802508763211,"sku":"FF-QUANTUM-BATCH1-OB","price":683.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/fatfreq-effect-audio-quantum-thumb.webp?v=1742391171","url":"https:\/\/bloomaudio.mom\/products\/fatfrequency-x-effect-audio-quantum","provider":"Bloom Audio","version":"1.0","type":"link"}