Upgrade your amp: https://www.underwoodhifi.com/products/lsa-amplifiers The LSA Warp One has gotten excellent reviews, and there’s one FS on Agon for a silly cheap price or the sweet tube amp. ALSO, Underwood HiFi sells the Audio GD dac pre/headphone https://www.underwoodhifi.com/products/audio-gd
R28 (2022 version) Balanced remote preamp with resistor ladder DAC & 9.5wpc headphone amp
$1499.00