Etymotic ER-4 microPro

There are three types of audio aficionados: those who call themselves audiophiles, and spend inordinate amounts of money on exotic separates and upgrades; professionals and engineers who regard these people as misguided fools and buy equipment to do a job

We review the Etymotic ER-4PT MicroPro earphones -- how does the comfort and sound quality live up to other earphones in the same price range?

The ER-4PT, the latest in Etymotic's ER series, is perhaps the most accurate flat response pair or earphones you can buy, and it's worth every penny.

Superb detail makes spending over £300 on a pair of in-ears seem entirely reasonable

The ER-4 MicroPro earphones promised to offer transparent, reference quality music reproduction in a system designed (in particular) for audiophiles, musicians, and those who just want clear sound.

Several years ago, I reviewed Etymotic Research hf5 High-Fidelity earphones. Although being a writer at The Gadgeteer enables me to try/review many earphones

Etymotic ER-4PT MicroPro

Etymotic ER4PT review: High-precision earphones with balanced armature drivers delivering accurate sound.