MRG800B wireless system equipped with True Diversity function, displaying signal strength on an LED meter. Rack-mount set of a wireless receiver and tuner for bass. - Equipment Name: Wireless Receiver MAXON MRG800B - Equipment Name: Digital Tuner KORG DT-1PRO - Equipment Name: 2U Rack Case Thank you for viewing. I used these items until a few years ago, and I am selling them to organize my equipment. Each piece of equipment has been tested for power and functionality. Includes a meter and one receiver antenna, but the antenna has been repaired, so please consider it as a bonus. There is no paper manual, but I can provide it in a data format if you wish. Please check the condition of the exterior in the images. Please confirm the condition of the product in the photos and purchase only if you understand. Please refrain from purchasing if you are sensitive or seek perfection. 《Notes》 No operational warranty (refunds/returns) are provided. Due to the nature of used goods, the condition at the time of operation check may differ from the condition upon delivery. Also, due to a brief, simple check, there may be oversights or defects. In any case, the current condition takes precedence, and we will guarantee against damage or loss due to shipping accidents. To prevent swapping, we record the shipping process and keep track of part numbers. Negotiations such as price reductions are welcome, but critical comments or extreme price negotiations will be deleted. Thank you for your understanding.