🎶 Elevate Your Audio Game—Because You Deserve the Best Sound! Works flawlessly with Android, iOS, and PC—just plug in and enjoy. Enjoy ultra-low distortion and superior audio fidelity with cutting-edge design. Transform your mobile device into a high-end audio powerhouse. Automatically adjusts output for optimal sound based on headphone impedance. Experience audio like never before—stream and unfold MQA content effortlessly. THX Certified MQA Playback 384 kHz PCM The HELMAudio Bolt DAC/AMP is a portable high-end digital-to-analog converter and headphone amplifier that enhances sound quality for mobile devices. It supports MQA playback, ensuring you experience audio at better-than-CD quality. With USB-C to 3.5mm connectivity, it is compatible with Android, iOS, and PC, and features THX certification for superior audio performance.