TANCHJIM FOLA is a premium Dual Cavity, Dual Magnetic Single Dynamic Driver IEM featuring the advanced DMT5 architecture for high energy efficiency and minimal distortion. It delivers smooth & precise sound across a wide frequency range, perfect for all music lovers and gamers. This IEM also possesses a distinct HRTF-tuned Virtual 7.1/5.1 surround sound feature, accessible through the TANCHJIM application. Users can customize their listening experience with Three interchangeable nozzle types (L/S/D) that adjust bass and treble response. Crafted with an aluminum alloy body and sapphire glass faceplate, FOLA offers exceptional durability and comfort with air pressure balancing eartips. Versatile connectivity options include interchangeable 3.5mm single-ended, 4.4mm balanced and DSP Type-C terminations, making it compatible with various devices and enhancing sound quality. This combination of innovation, customization, and premium build makes Tanchjim Fola a standout choice for those seeking clear, detailed and immersive audio experience wherever they go.