Building on Flagship Heritage Building on the success of the flagship RS10, Softears reimagined key design concepts. While the RS10 remains a benchmark in-ear monitor, its complex crossover made it difficult to drive. The RSV (Reference Sound Five) was developed as an innovative BA IEM with a far easier-to-drive nature. A Year and a Half of Research After a year and a half of research, Softears presents the RSV, a 5-driver BA design that achieves reference-grade performance with outstanding efficiency. Its new driver configuration and crossover allow the RSV to deliver satisfying dynamics even from conventional mobile phones. Modern Reference with Dynamic Presence The RSV stands apart in the Reference Sound lineup not only for its easy drivability, but also for its ability to reproduce the dynamics and presence demanded by modern recordings. Handcrafted Satin Carbon & Gold Foil Design Every faceplate is handcrafted using satin carbon fiber fragments and gold foil, blending cutting-edge material with antique elegance. This artisan process makes each RSV unique—an individual piece of craftsmanship rather than just an earphone. Acoustic Engineering Excellence RSV integrates advanced acoustical filters with a carefully designed crossover, enabling BA drivers to deliver extraordinary dynamics, near-perfect frequency response, and highly consistent phase. This efficient architecture transforms a simple 5-driver setup into a remarkably precise system. Precision Crossover and Filters The crossover employs a 3rd-order LRC filter for bass, an impedance plus low-pass system for mids, and a film capacitor for highs, totaling six components to properly divide the signal across five drivers. With precise 3D printing, Softears crafted acoustic filters accurate to 0.1 mm, fine-tuned with dampers for ideal sound. Natural and Immersive Tuning Tuned using HRTF measurements from high-end speakers and reverberation analysis, the RSV delivers textured bass, natural timbre, and an immersive, lively presentation. Phase Consistency and Imaging Unlike many multi-driver IEMs that suffer from phase inconsistency, the RSV maintains precise phase alignment across the spectrum. This ensures smooth driver transitions, accurate timbre, and a pinpoint soundstage. Versatile Connectivity Equipped with universal 0.78 mm 2-pin sockets, the RSV allows users to select their preferred cables or switch to Bluetooth options for versatile listening.
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