Little bear B4-X with Burson V5i Opamp upgrade

Opamp applied to: Little Bear B4-X Headphone: Hifiman HE4XX Pre- vs Post- opamp: High end tamed while maintaining most if not all of its dynamics. Instruments separation seems to be improved. Tonality remains somewhat the same which it’s a plus. In my case, the biggest improvement is when paired my upgraded B4-X with my iPhone […]
