We visited Ultimate Ears Pro headquarters in Irvine, CA to learn more about the new Premier IEMs and their design process. We have reviewed a rather extensive list of Ultimate Ears Pro IEMs over the ...

How many speaker drivers do earphones need to deliver great stereo sound? One in each earpiece? Two? Six? The Knowles Corporation has partnered with Ultimate Ears Pro for the release of the UE Premier ...

Ultimate Ears Pro designs its most powerful IEM with Knowles receivers, including supertweeters and dual-diaphragm balanced armatures, to achieve extended treble range and exceptionally crisp audio.

The 21-driver UE PREMIER features a five-way crossover design with 21 drivers per earpiece for unparalleled fidelity and precision. Knowles Corporation has joined forces with Ultimate Ears Pro to ...

Take a deep dive into the world of custom fit in-ear monitors (IEMs) for musicians and audiophiles with Vincent Liu of Ultimate Ears Pro. eCoustics Senior Headphone Editor W. Jennings recently sat ...

Inside every set of wireless earbuds or wired earbuds — sometimes known as in-ear monitors or IEMs — is a driver. It’s effectively a tiny little speaker which produces the sound you hear. Some earbuds ...