Queen of Audio x 7th Acoustics Ryusei | Dynamic Universal IEMs

Queen of Audio and 7th Acoustics Collaborate to Present Ryusei, a Single DD IEM that Punches Way Above it's Price Point Single Nano Gold-plated Dynamic Driver Carefully Tuned for Coherence and Full-Spectrum Sound Silver-plated Copper and Graphene Premium Litz Coaxial Cable Available in 3.5mm or 4.4mm Termination Full Spectrum, One Driver Ryusei was made to prove that an affordable single dynamic driver can deliver a full-spectrum, balanced sound. Carefully tuned across bass, midrange, and treble, it offers richness, layering, and detail found in pricier multi-driver earphones. The result is engaging, coherent, and outperforms its price class. Nano Gold Precision Ryusei features a custom Nano Gold Dynamic Driver. The gold-coated diaphragm increases rigidity and reduces resonance, enabling greater accuracy and lower distortion. With optimized acoustic tuning, it delivers controlled bass, expressive mids, smooth treble, and a warm, detailed sound that suits all genres. Pure Signal The premium Litz coaxial cable is made of single-crystal copper, silver-plated single-crystal copper and graphene. This design ensures clean, stable signal transmission and preserves fine musical details with excellent conductivity. Lightweight and flexible, it offers lasting comfort and durability for daily use. Ear Tips Final Type-E ear tips deliver a balanced, natural sound with smooth treble, gently softening bright recordings for fatigue-free listening. White Bore ear tips enhance vocal presence, midrange clarity, bass texture, and dynamics, offering a more energetic sound with improved sparkle.