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Limited-production universal IEM STELLA launches February 28 at ¥660,000, marking the first collaboration between Astell&Kern, VOLK AUDIO, and Grammy-winning mastering engineer Michael Graves.
STELLA employs a quad-brid 12-driver architecture, integrating dynamic, balanced armature, planar magnetic, and electrostatic drivers within a precisely controlled six-way network.
The LF-H low-frequency system combines a 9mm M9-R dynamic subwoofer with dual BA drivers, covering 20Hz–600Hz for deep bass weight, speed, and controlled tonal balance.

Final's flagship closed headphone "DX10000 CL" features a True Diamond diaphragm and is priced over 1 million yen.
Astell&Kern introduces "A&ultima SP4000 Copper," a high-end portable DAC/amp "AK HC5," and limited "STELLA" earphones.
qdc celebrates its 10th anniversary with "4Pro" IEM featuring 4BA drivers and "CRAVE" with a tri-brid 15-driver design.

Astell&Kern introduces the AK HC5 USB DAC, featuring the flagship AK4499EX DAC chip and AK4191EQ processor for high-fidelity audio performance.
The AK HC5 is compact, includes a 150-step volume wheel, OLED display, and supports PCM 384 kHz and DSD256 formats for versatile compatibility.
Astell&Kern collaborates with VOLK Audio and Michael Graves to produce the STELLA IEMs, a 12-driver quadbrid system for reference-level accuracy.