Orange Crush20 Practice Amplifier While it may sport a modest footprint, the Orange Crush20 boasts an all new high gain 4 stage preamp design that provides a versatile array of rich tones and powerful delivery that defies the limits of size.  This practice amp has everything that other practice amplifiers lack- responsive overdrive, detailed saturation and powerful analogue circuits as well as the new CabSim headphone output that puts the sound of a 4x12 cabinet right in your ear. • A completely new revision to the exceedingly popular Original Orange Crush Pro models • High gain preamp design for responsive overdrive and highly detailed levels of saturation • Analogue Circuits for tones which react similarly to their larger counterparts • All New CabSim feature provides all the strength of a 4x12 cabinet through a dedicated headphone output • Twin Channel • Footswitchable Channels • Distinctive Orange Tolex Exterior