T+A HA200 Headphone Amps and I found the Sophia

and I found the Sophia Electric KT88-ST to be the best match for the CS-600X

a quality metal headband

Note: a compatible electrostatic energizer is required and sold separately

making it an ideal material for the isolation platform

T+A HA200 Headphone Amps and I found the SophiaT+A's dedicated reference headphone amplifier, the HA 200 is a no compromise amplification system designed to be the ideal partner for the Solitaire P, combining an analog amplifier, digital input stage, and DAC in a single chassis built to the standards of T+A's reference electronics. Made in Germany. Type and Technology Desktop reference headphone amplifier with integrated DAC and digital input stage. Fully discrete analog amplifier section with