Over the past year or so, I heard 3 iterations of extensive HD650 mods from Jupiter Audio Research: the "JAR-650," aka "J-Mod." A month ago I received the finalized J-Mod that is the subject of this review, plus a stock HD650 for comparison. I'm late getting to the Sennheiser HD650 party. It's...

Modded Akai X50 compared to another MDH9000 clone (stock)

Inexpensive closed-back, 32 ohm Chinese headphones