Astell & Kern Stella In Ear Headphones Mastery The Astell & Kern Stella In Ear Headphones emerge as a crowning achievement in portable audio through a unique partnership with VOLK Audio. Furthermore, five-time Grammy award winner Michael Graves meticulously tuned this reference monitor at Osiris Studio to ensure absolute tonal truth. This collaboration results in a "quadbrid" architecture that seamlessly blends four distinct transducer technologies into one cohesive and immersive musical experience. Every component serves a specific purpose, as there is no room for decorative or redundant elements in this high-performance design. Precision Inside the chassis, twelve drivers work in perfect harmony to deliver a signature characterized by accuracy rather than simple theatrics. The low-frequency hybrid system utilises a 9mm subwoofer alongside dual balanced armatures to provide physical impact and incredible speed. Consequently, the bass remains natural and textured without ever overpowering the delicate details of the midrange or treble regions. Because the six-way crossover manages phase alignment so effectively, the transition between different driver types remains entirely imperceptible to the listener. Architecture The external build of the earpieces reflects the same level of engineering rigor found within the internal circuitry. Specifically, the shells are machined from aerospace-grade aluminum and finished with a satin-black anodised coating for maximum durability. A stainless-steel frame incorporates a sophisticated venting system to regulate internal air pressure and prevent unwanted resonance. Moreover, the faceplate features optical-grade sapphire crystal glass, which provides a level of visual purity and scratch resistance rarely seen in personal audio. Connectivity The included cable is a bespoke creation designed to preserve signal integrity from the source to your ears. This hybrid conductor array combines silver, gold, and copper strands within a 12-strand Litz geometry to ensure transparent transmission. Additionally, the cable is reinforced with a macromolecular fibre core for long-term reliability during daily use. Since it terminates in a 4.4mm balanced plug, it pairs perfectly with high-end digital audio players to unlock the full potential of your music library. Technical Specifications Driver Type 12-Driver Quadbrid (1x Dynamic, 5x Balanced Armature, 2x Planar, 4x Electrostatic) Crossover 6-way Crossover Network Frequency Response 10 Hz – 45 kHz Sensitivity 103.8 dB @ 1 kHz Impedance 7.17 Ω @ 1 kHz Shell Material 6061-T6 Aluminum & 316 Stainless Steel Faceplate 9H Sapphire Crystal Glass Cable Conductor 5N LCOFC Copper, 4N Silver, 24K Gold Hybrid Connector Type 0.78mm 2-pin Termination 4.4mm Balanced AEC
