The jf 307 clean glass amp simulator is taken from the 3rd generation of joyo pedals, the ironman series
Create a classic vintage californian / american sound
Controls: tone control drive / gain mid boost control output powered by a 9v dc adapter (not included) true bypass input impedance:1m output impedance:10k running current 25ma
Supplied with 2 x 3m self adhesive rubber & velcro pad to fix your fx pedals.
Dimensions : 7.3cm long 4.3cm wide 5 cm tall. weight : 220g