Features: 1.A total of 55 models, up to nine can be used simultaneously 2.19 classic amp and pedal models with A/B channel switching 3.Vintage 3-band passive EQ for every amp model 4.Parametric EQ with extra middle frequency sweep control for pedals 5.12 cabinet models provide two different modes for guitar amplifier or mixer/PA input 6.Built-in drum machine with CD quality PCM sounds 7.Up to 20 seconds phrase loop with sound on sound 8.The AUX IN jack makes it easy to practice along with MP3, CDs and other inputs 9.The expression pedal lets you adjust the volume or effects parameters in real time 10.A total of 72 presets: 36 factory + 36 user presets. The A/B switch allows you to use up to 144 presets 11.Latest TS/AC (True Simulation of Analog Circuits) Technology duplicates the distortion and tone shape of tube and vintage effect pedals Sepcification: *Preset memory: User settings: 4Preset (A-D) x 9 (1-9) groups = 36*Factory setting : 4 Preset (A-D) x 9 (1-9) groups = 36 Total 72 presets (up to 144 presets with AMP A/B switch) *THD+N :Display: 160 x 128 TFT LCD *Jacks: INPUT, LEFT(MONO), RIGHT, HEADPHONES, AUX IN, EXT.PEDAL, DC IN *Input： -10dBv @ 3.3kΩ *Output: -10dBv (Output load impedance of 10kΩ or more) *AUX In: -10dBV @ 10k or more *Headphones: 20mW + 20mW (into 32Ω load) *Power: 9V DC, 500mA Package included: 1 x NUX MFX-10 Multi-Effects Processor 1 x Power Adapter 1 x Owner"s Manual