The JD1 TC from FiiO is an excellent entry into the world of HiFi earphones, offering the top-notch sound quality of a trusted brand at an affordable price. The professionally tuned sound is uncolored and detailed, with rich bass and a fantastic soundstage, allowing you to fully immerse yourself in your music. The fixed cable with controls and microphone enables convenient use of the earphones. The middle button is used to answer/end calls and play/pause music. The upper and lower buttons adjust the volume. The earphone cable with the USB-C connector is particularly practical for smartphones that no longer have a 3.5 mm jack. Additionally, the control on the cable allows you to choose from five equalizer settings to optimize the sound signature to your liking. The FiiO development team equipped the JD1 TC with a dynamic 10 mm LCP driver (Liquid Crystal Polymer). Due to its lightweight and high stiffness, this driver is capable of delivering rich and powerful bass that brings instruments like drums to life. Thanks to the careful tuning by the development team, the driver is also very detailed and low in distortion, generating a clear and natural sound. The cavities in the sound chambers further enhance the bass and reduce pressure on the eardrum, allowing for particularly comfortable and fatigue-free listening. The housing of the JD1 TC is made from a stable yet lightweight magnesium alloy, produced through die-casting and hand-polished. The result is an attractive appearance with a luxurious touch. Weighing only 7 grams per earphone, the JD1 TC is very light, making it barely noticeable and providing high comfort even during long listening sessions.