Who effector with a triangle pattern design, adjustable Depth and Effect, equipped with Guitar/Bass switch. - Brand: IBANEZ - Output Terminal: Dry Out - Adjustment Knobs: Depth, Effect - Switches: Guitar, Bass - Input Terminals: 2 jacks - Power Supply Terminal: DC 9V, 9V square battery - LED Indicator: Red - Design: Triangle Pattern Thank you for viewing. I purchased this about 40 years ago and used it until about 30 years ago, then stored it in an effector case. I checked the operation, and there was no scratchy noise. Regarding the exterior, the markings on the BASS/Guitar effect switch are scratched. The purple part of the IBANEZ WH10 marking on the foot pedal is peeling off. There are some traces of use on the back. There are scratches all over, as shown in the images. The adjustable range of the wah effect knobs is also interesting. Depending on my mood, I would sometimes use it with the guitar in the BASS position. I prefer MORLEY pedals, so I mainly use those. Changing the battery is a hassle, as you have to remove the four screws on the back and take off the back panel. This is a secretly popular wah-wah, so how about it for those who are particular? Thank you. Type...Electric Guitar Manufacturer...Ibanez