SENNHEISER IE 40 PRO In-ear Monitors
The IEM market is becoming as saturated as a sturgeon tank in a caviar farm []. It’s teeming with generic models pitched at teenage commuters, audiophiles, touring musicians and everyone in between. Interestingly, Sennheiser has appealed directly to stage musicians with its IE 40 Pros. For those already jamming with ears, does this single dynamic driver design improve on
