They are completely compatible with any keyboard on the market that has a midi in port. Has a volume pedal input, LCD screen for programming, midi out and a power port.The unit comes with a 9v wall wart included and is ready to plug and play out of the box. Just connect a standard five pin midi cable from the pedals to your favorite keyboard, sound module, or laptop software. The pedals are hinged from the rear just like real Hammond organ pedal boards and maintain the radial curve of these pedal boards as well. The playable portion of the pedals is 16 inches long, perfect for heel / toe players as well. Overall dimensions of the pedals are 34in x 21in. Weight is approximately 22 lbs. 34 inches wide x 21 inches long. Case and pedals constructed from solid wood for superior strength and durability. Compatible with any keyboard brand (Nord, Hammond, Korg, Yamaha, Key B, Maudio, Behringer, Numa, etc). Compatible with any computer model running sound software such as VB3, etc. Rear hinged pedals provide authentic hammond pedal feel while still being extremely lightweight and portable. LCD menu includes programming options for midi channel (1 - 16), volume pedal CC. The item "JG3 Tech 24 Note Midi Bass Pedal Foot Controller" is in sale since Monday, March 29, 2021. This item is in the category "Musical Instruments & Gear\Pianos, Keyboards & Organs\Parts & Accessories\Pedals". The seller is "jared9535" and is located in Bergenfield, New Jersey. This item can be shipped worldwide.