- EXTREME METAL,it has three bands powerfully adjustable EQ with sweep Mid-Freq Knob, provides a strong low Frequency, a clear and transparent high frequency, and penetrating main rhythm Tone, or sharp wide accompaniment tone.
- Material:Aluminium alloy with stoving vanish.
- (2012-01-05) JOYO.JF-17 by Joyo
- (2012-06-24) metal by oshiyama1965
- (2012-10-31) Julio Skimy - Everlong ( Joyo Pocket Metal vs Joyo Extreme Metal ) by skimy90
- (2013-01-19) Joyo JF-17 Extreme Metal by KDM Pedals
- (2013-01-25) Joyo JF-17 Extreme Metal by musicexpresscanada
- (2013-10-25) Joyo JF-17 Extreme Metal Guitar-Effekt-Pedal fra DanGuitar.dk by DG - DanGuitar
- (2015-02-04) Joyo Quickies - Extreme Metal - Series 1 by EytschPi42
- (2016-06-24) JOYO Extreme Metal GIVEAWAY CONTEST (worldwide) by Joyo
No forum threads about this effect yet.