TANCHJIM Zero Ultima - Wired Earbud

Since its release in 2022, ZERO has won the hearts of audiophiles with its exceptional sound signature. Fans often ask: "Why hasn’t there been an iteration of ZERO after nearly a year of being discontinued despite its popularity?" The truth is, the "ZERO iteration" was ready by the end of 2023. However, it didn't meet our standards for an entry-level Hi-Fi "king of value," so we chose to start over from scratch. After three years of development, we now present ZERO ULTIMA—a brand-new configuration with fully upgraded performance, designed to amaze you just like the very first time! Drive unit: double-chamber moving coil Moving coil technology: DMT 4 Ultra Material of moving coil diaphragm: PU suspended edge Ti-plated dome composite diaphragm Total harmonic distortion (THD): 0.05%@1Khz 94dB Impedance: 30 Ω±10% Sensitivity: 123 dB/Vrms Frequency response range: 10-48 Khz Wire material and structure: Litz copper silver-plated braid wire with a parallel structure