Sennheiser HD 650 with Burson Playmate 2 and V6 Vivid Opamps

Fantastic. Combined with the Playmate 2, it transforms a rather laid back warm HD650 into a beast. The opamps keep the lush and forward mids unchanged, but help tremendously with the bass and highs. Bass is accentuated and becomes more aggressive, more punchy, goes slightly lower even, but it’s never bloated. Highs are more pronounced […]