Introduction

64 Audio is near-synonymous with world-class in-ear monitors routinely used by the who’s who of music, including Beyonce, Jay-Z, John Mayer, IU, Bon Jovi, and many others for monitoring music live on stage—you know, the thing that IEMs were originally intended for. You can head over to the brand’s social media pages and see multiple instances of music artists with their 64 Audio IEMs being showcased almost daily. Seeing your favorite music artist use a company’s product helps with sales as well, including to the growing audiophile market that wants to now own the same set. Helping further is the part where 64 Audio IEMs have being generally received well across its product line, ranging from $499-$3599. To date, they have all contained multiple drivers, including in its custom-fit IEM lineup. That changes now with the introduction of the brand new 64 Audio Solo.

We have covered several 64 Audio IEMs to date, beginning with the detail monster that is the 18-driver U18t going to the Volür which introduced true isobaric dual dynamic driver bass which continues to be a standard today. A few weeks ago, 64 Audio discontinued the Duo, a set that was made during COVID restrictions with working from home in mind, being semi-open to strike a cohesive balance between music enjoyment and awareness of your external environment. It was part of a special subset of 64 Audio products, along with the Trió and Fourté, in using dedicated acoustic chambers for each individual driver and the complete patented tia (tubeless in-ear audio) driver system. The Solo joins this collection, but also shakes things up in a few ways. For one, as the name suggests, it uses a single full-range driver—a 14.2 mm planar magnetic driver that may seem similar to the many 14.x mm drivers we have seen used by various brands over the last two years. But pretty much every single implementation to date has had issues taming the driver and making the most of the listening experience. You will notice common complaints about shouty vocals and fatiguing treble there, for example. The 64 Audio Solo uses two Helmholtz resonators to help tune the driver to the brand’s standards, and also uses other tech including Apex and LID (more on this in due time) to promise a sound signature that will be a step up from the norm. Thanks to 64 Audio for providing a review sample to TechPowerUp and let’s begin with a look at the product specifications in the table below.

Specifications

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