iFi GO bar Kensei Portable DAC/amp SEARCHANISE_IGNORE and the AMP-23R follows this

and the AMP-23R follows this tradition

As you would expect

WH-XB910N captures more of the ambient sound around you

1* User manual

iFi GO bar Kensei Portable DAC/amp SEARCHANISE_IGNORE and the AMP-23R follows thisThe worlds first ultraportable DAC with K2HD Technology Merging artistry and Japanese swordsmanship with cutting edge audio technology, the GO Bar Kensei is the worlds first ultraportable DAC with K2HD technology to bring listeners closer to the original recordings of their favourite music. Key Features at a Glance Featuring JVC's 'K2 HD Technology,' it enhances audio by extending bits, expanding bandwidth, and correcting waveforms, ultimately