The Sony XBA-4 is a premium in-ear monitor that features a hybrid driver system, combining a balanced armature driver and a dynamic driver for rich sound reproduction. It is designed to deliver a well-rounded audio experience with quality bass, clear mids, and detailed highs. The XBA-4 is equipped with an ergonomic design to ensure comfort during extended listening sessions. The build quality is substantial with a focus on durability and aesthetics, often incorporating metal elements in its housing. Additionally, the XBA-4 includes replaceable cables, which offers versatility in connectivity and can improve longevity. It provides a comfortable fit with multiple ear tip sizes included in the package. Its sensitivity is typically rated around 106 dB/mW, which translates to efficient performance even with portable devices. The impedance is relatively low, variously found to be around 16 ohms, making it compatible with a range of audio sources including smartphones and portable players. Overall, the XBA-4 aims at audiophiles looking for detailed and dynamic sound in a compact form factor.
