HSA-1b receives HEADPHONE.GURU 2021 Writers’ Choice Award
RAAL-requisite Cable Audition Program
Sonic Visions Podcast: Interview with Danny McKinney of RAAL-requisite
Audiophile Style Podcast: Episode 27 RAAL-requisite Interview
Stereophile’s Products of 2020 Headphone Product of the Year

SR1a

True Ribbon Earfield Monitor.

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HSA-1b

Headphone & Speaker Amplifier.

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SR1a Reviews

Unfiltered, in-depth, audiophile reviews.

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