Check the listing for details. BOSS CS-1 Compression Sustainer 1981 Vintage Guitar pedal Made In Japan ACA. Condition: Used. Listed at 129.99 USD. BOSS CS-1 Compression Sustainer 1981 Vintage Guitar pedal Made In Japan ACA Description This Boss CS-1 was manufactured in November 1981 according to the Boss pedal serial number decoder.Unlike the CS-2 and CS-3, the CS-1 uses a Photocoupler to detect the input level, so you can create a unique sound. We have confirmed the sound output with both ACA100 and 9 volt battery.This Boss CS-1 is Made in Japan. The serial number is 128500. Note: The screw on the output side is broken inside and the foot switch part cannot be removed.broken. But it does not affect the operation or sound. This CS-1 works fine and sounds good.We have many other 1980's BOSS Pedals for sale. Please see our other guitar pedals. Payment eBay Managed Payments. please pay within 3 days. Shipping We will ship by Japan Post (EMS) or FedEx within 3 business days from the date when the order is accepted and settled. A tracking number will be attached. （When we ship by FedEx from Japan, it will arrive in USA, CA and UK in about 3 to 5 business days.） We only ship to the address registered by the buyer on eBay. If the buyer changes the receiving address after placing the order, any additional charges will be paid by the buyer. Terms of Sale 1. We can accept return within 30 days after you receive it. 2. It is customer's responsibility for the return shipping cost. International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.