Cheri cb-50 bass combination amp. Made in Korea and very mobile. vintage FIFTY watt bass combo amp. solid state, but appears alot like tube. When both connected in it runs both at low gain output, works terrific and has actually hi and low gain inputs that. it additionally has a 1/4 inch mic. input with a separate mic. quantity control. yes, 3 1/4 inch inputs. plus 1/4 inch line out and head phone result jacks $90. advertisement took out when sold.