TANCHJIM T-500 Silicone Earphone Ear Tips with Patented Air Pressure Balance Structure, Replacement Pads for In-Ear Headphones, Transparent High-Frequency Enhancement Fits Most Ears - 2 Pairs

【High Sound Wave Guide Damping Structure】An acoustic innovation born from the compact High Sound Wave Guide. A V-shaped ring pattern is placed on the inner wall of the earpiece's sound hole. This geometric structure guides the phase of high-frequency sound waves, suppressing resonance peaks above 10kHz generated by the coupling between the ear canal and the earpiece, reducing distortion caused by interference. 【High-Frequency Waveguide Damping Structure】A V-shaped ring array is integrated along the inner wall of the eartip’s sound outlet, forming an acoustically optimized structure for high frequencies. This geometric design guides and aligns high-frequency sound waves, suppressing resonance peaks above 10 kHz that occur when the eartip couples with the ear canal. 【Dual Hardness Silicone Multi-Layer Structure】Outer Cap: Low-hardness, high-transparency silicone (Shore hardness 0) improves fit within the ear canal. Inner Tube: High-hardness silicone (Shore hardness 65 or higher) ensures stability of the wave guide structure. Reinforcement Structure: The V-shaped waveguide surface on the inner wall of the outer layer functions as a radial reinforcement rib, preventing sound leakage caused by deformation during wear. 【Sound Port Acoustic Optimization】The Sound Port is designed with an outward-curving acoustic surface that smoothly connects the inner tube and cap section of the earpiece. This unique structure ensures smooth transmission of sound energy while suppressing unwanted reflections at the exit point. 【Optimized Design for Comfortable Fit】The connection between the earpiece's sound tube and cap features a linear taper shape. This facilitates angle adjustment during insertion and ensures greater flexibility within the ear canal. The cap tilts freely within a ±15° range to fit various ear canal shapes. It prevents localized pressure, reducing ear fatigue and discomfort even during extended use.