Download esi waveterminal x sound card driver 6. 01 for. Esi waveterminal l user manual page 9 / 54 also for. 1. Introduction to waveterminal x. I got a Waveterminal X soundcard wich works just fine for me, But now I bought a mic and the sound recorded in Cooledit is way too soft. Installation of the driver for ESI PCI/PCIe Audio Interfaces such as L, Waveterminal M and.