BOSS 50th Anniversary Limited edition DS-1-B50A SD-1-B50A BD-2-B50A SET. In commemoration of the 50 year anniversary of the establishment of the BOSS brand in 2023, we released three special models with metallic coating and silver screws and commemorative emblems. The unit is provided with a 4-digit special serial and is housed in a box with a commemorative emblem. The picture is a sample. The serial number is different for each individual. Each model is limited to 7000 units worldwide. The serial number of each model is not necessarily a serial number. It debuted in 1978 as the first distortion of BOSS. This model can be said to be the origin of BOSS compact. It can be used in a wide range of ways, from sweet and mild soft distortion to hard distortion with high edge. This is truly the king of distorted sound! With so many models on the scene, there’s a reason why he’s always been the top model. Controls: level, tone, distortion. Current Consumption: 9V DC 4mA. Dimensions/Weight: 70 W x 55 H x 125 Dmm, 400 g. The subtle nuances of the picking, the sweet and mild distortion, and the expressive power of the tone control keep many guitarists captivated. Controls: LEVEL, TONE, GAIN. Size (WxHxD): 7.0 x 5.5 x 12.5 cm. A standard overdrive that can delicately express the nuances of picking! Can be used as a bluesy sound, distortion sound, or even gain booster. You can easily create the driving sounds you hear in rock and alt-music. A model that pursues a bluesy tone. The volume of the guitar allows for a variety of expressions from clean to crunch. Booster style is also standard. The high gain sound with sustain is also OK. International Buyers – Please Note. Thank you for your understanding.