AudioBox iOne | To record great-sounding music, you need outstanding preamps and digital converters. And to hear what you’re doing, you need a headphone amp that keeps up with the rest of the design. The AudioBox iOne delivers it all! We’re famous for our award-winning microphone preamplifiers, and we’ve equipped the AudioBox iOne with a new, sweet-sounding mic preamp that will capture your voice in all its glory. Clean, clear, 24-bit, 96 kHz digital converters and an ultra-loud, crystal-clear headphone output ensures you hear every detail.