My personal favourite headphones. I measure all my future headphones to this pair.   Tight bottom end, punchy, great clarity in the highs.

I was hesitant buying these closed cans. I've read everything from floaty bass to decimated vocals. However I've learned that you can only believe what you experience yourself.   I was also bit hesitant with these cans because their frequency response curve was a bit amped over my baseline AKG K701 / Sennheiser HD598. However, I wanted to find a closed can that was close to the HD598 with a bit accentuated bottom end. What you'll find is these cans have an odd signature in the curve.   What I found is these cans produce a large clean...

I decided to ditch my Shure E105 because they were just all midrange and even though a tight bass the bass had no presence.   Enter the Monster HP In-Ear Speaker. Yeah Monster is big on calling them speaker not headphone.   What struck me immediately was the clarity and punch. These definitely have punch and depending on the type of music you listen to it can be very easy to get enveloped in such richness. Take for example the track Monte Gargano by the Truckfighters, wow. Super kick drum and just full sound and while they are stoner/fuzz...

This is my first tube amp for headphone listening, and is also my first piece of kit for my listening upgrade. That being said, the Valhalla sounds great with my lackluster headphone output  from my iPhone and using the less talked about V-Moda Crossfade LP headphones.   As you can see, the Valhalla is going to compliment almost you put to it. I noticed an immediate stage and sound improvement and this while using lossless (FLAC) through the amped headphone output. I truly look forward to using the amp with at a minimum line-out / digital output...