The Tanchjim Ola Bass in-ear monitors offer a remarkable level of design quality and sound reproduction at an affordable price. Each IEM (In-Ear Monitor) is equipped with a 10mm diameter dynamic driver. The diaphragm utilizes a composite material typically found in high-end models. The DMT4 dynamic driver enables these earphones to deliver excellent responsiveness, delicate high frequencies, and deep bass. Additionally, this model is equipped with a small control box on its cable, which includes a microphone, making it easy to answer calls.