The FiiO Q15 offers audio enthusiasts a high level of sound quality by combining state-of-the-art technology with a clear focus on top performance. The versatility of the device is evident in its two power supply modes: when using the desktop mode for stationary operation, the Q15 draws the necessary power through its separate USB-C port, allowing it to achieve particularly high performance. When the phone mode is used for on-the-go, the integrated battery comes into play, and the mobile device's battery is not drained. At the heart of the Q15 is the Qualcomm QCC5125 Bluetooth chip, which supports wireless audio transmission in the highest quality with Hi-Res codecs such as AAC, aptX HD, or LDAC. Additionally, the Q15 offers a variety of input and output options through its USB, Bluetooth, and coaxial decoding capabilities—both wired and wireless. The sophisticated 10-band equalizer allows users a wide range of customization options and can be used in both Bluetooth mode and USB DAC mode. The impressive performance of the Q15 is reflected in its high output power of 1600 mW, which effortlessly drives almost all in-ear headphones and over-ear headphones. The FiiO Q15 is not just a device, but a well-thought-out audio solution that provides an authentic and immersive listening experience. Carefully constructed audio circuits, shielded digital and analog partitions, 7 digital filters, and high-quality components such as two AKM DAC chips and an XMOS XU316 USB chip generate an authentic and captivating sound quality. Overall, the FiiO Q15 presents itself as a portable and stationary audio marvel that perfectly combines technology and design. This companion for audiophiles impresses with top performance, versatility, and style, elevating the audio experience to a new level.