Shaping the ERX: An EVO Form Factor
For Etymotic, the goal of the EVO shell (and now, the ERX shell) was for a more fluid design with living elements based in nature. The in-concha shape lends itself to the typical Etymotic deep insertion design, while allowing for a lower profile when worn. This helps in situations when worn on stage, or under a helmet, for example. Additionally, routing the cable over the ear helps reduce cable microphonics. The shell itself is injection molded stainless steel and is incredibly robust. It has a pleasant heft to it that can be felt when held in one’s hand, yet all but disappears when worn in the ear.
Tuning the ERX: A Blended ER4XR and EVO Sound
The sonic signature of the ERX is inspired by the ER4XR, but its execution is an amalgamation of the ERX and the EVO. Tonally, it leans towards accuracy, with a slight emphasis at lower frequencies that add just enough weight to the lower frequencies, without encroaching on the upper bass/lower midrange. Vocals are...