Check the listing for details. Electro-Harmonix EHX Intelligent Harmonizer. Condition: Used. Listed at 200.00 USD. This pedal is in like new condition used a handful then put away. This Electro-Harmonix EHX Intelligent Harmonizer is a versatile and high-quality shifter pedal that is perfect for any guitarist looking to expand their sound. Made by a trusted brand, this digital pedal has a range of features that make it a great addition to any effects pedal collection. It is suitable for use with a variety of guitar types, from acoustic to electric, and is ideal for creating unique sounds. The pedal has a range of customizable settings, including a built-in harmony engine that allows users to create complex harmonies and intervals. It is important to note that this product contains a chemical that is known to the State of California to cause cancer, so please take caution when using it. Overall, the Electro-Harmonix EHX Intelligent Harmonizer is a powerful and reliable tool that can help musicians achieve innovative and inspiring sounds.