Fosi Audio IM4 Open-Back In-Ear Monitor

The Fosi Audio IM4 Open-Back In-Ear Monitor delivers audiophile-grade sound through dual N52 magnets, a dual-chamber design, and a 10mm beryllium driver that creates a wide soundstage with crisp detail. The open-back design and acoustic damping wool eliminate resonance and harshness, producing a balanced, fatigue-free listening experience ideal for discerning listeners. At just 7g per earpiece, these IEMs offer exceptional comfort for extended wear, with hypoallergenic metal housings that feel premium and refined. Precision-machined from aluminum with a distinctive orange metal grille, they combine minimalist aesthetics with excellent build quality. Customize your sound with three eartip options (Bass, Deep Bass, Balanced) and two interchangeable nozzles (Brass, Aluminum) to fine-tune your preferred frequency response, all connected via a detachable 2-pin 0.78mm cable compatible with 3.5mm and 4.4mm connectors.