For many guitarists the OCD pedal is the best overdrive ever made. This OCD version has the same tone but then for a different price. This OCD gives you that good solid rock sound often used to set the base sound of your music. Can be used for solos as well although often a Tube Screamer style pedal is thrown in. It reacts very well to the potentiometer of your guitar. It is easy to roll in or out some extra gain while plying.
The LP/HP switch is for Low Peak / High Peak. LP sounds a bit smoother while HP has a bit more bite. Try it and you will hear the difference.
This limited version (No Fulltone) is based on version 1.7. Here some explanation about the version numbers:
Version 1.1 = Version 1
Version 1.2 = Version 2 (See the other OCD on my site)
Version 1.3 = Version 3
Version 1.4 = Version 4
Version 1.5 = Version 4 (Updated)
Version 1.6 = Version 4 (Updated)
Version 1.7 = Version 4 (Updated)
Besides the rock-solid sound it has also a rock-solid look.