Kiwi Ears x Z Reviews Serene – The Planar That Forgot to Be “Serene” Pros: *Scales really well. *Powerful, deep, and textured bass that still retains speed and control. *Smooth and natural sounding midrange with lifelike vocals and good instrument presence. *Treble is relaxed and fatigue-free easy to listen to for long sessions. *Excellent external ambient sound isolation. Cons: *Requires a powerful amplifier/DAC to really shine; under-powered sources don’t let it show its best. *the cups could be a little larger. (nitpick) Let’s just get this out of the way the Kiwi Ears x Z Reviews Serene might be the least “serene” headphone I’ve ever heard. The name makes you think of something calm, smooth, and relaxing, but the moment you hit play, it hits back. Hard The first thing that jumps out isn’t detail or air or staging it’s the bass, and it comes at you like it’s got something to prove. Big, thick, meaty bass that slaps with authority but still keeps its composure. It’s...