Boss ME-25 Guitar Multi Effects Processor -Powerhouse FX with Stompbox SimplicityThe affordable new ME-25 is packed with powerful BOSS features to make you sound like a pro, yet it¿s as fun and easy to use as a stompbox. The built-in SOUND LIBRARY gives you instant access to dozens of classic and modern effects. Simply choose a category, select a variation, and play. Customize your sound with simple twists of the Drive, Tone, and Volume knobs. With COSM amp models onboard, plus Super Stack and Phrase Loop, the ME-25 is a dream processor for upstart guitarists who want great sound and ease of use.Powerful COSM® amp models onboard, from classic to contemporarySuper simple user-friendly interfaceSOUND LIBRARY provides extensive collection of ready-to-use tones; simply choose a category and select a variationSounds can be instantly edited with the Drive, Tone, and Level knobs and Expression pedalSUPER STACK adds immensely heavy low-end and punchPhrase Loop function with 38 seconds of recording timeFunctions as a USB audio interfaceBuilt-in AUX input for jamming along with external music devices (MP3/CD players, etc.)Runs on six AA batteries or AC adaptorIncludes Cakewalk SONAR 8.5 LE software and dozens of audio loops, rhythms and songs for jamming or practicingFree downloadable Librarian softwarePowerhouse FX with Stompbox SimplicityAD Conversion24-bit + AF method*DA Conversion24-bitSampling Frequency44.1 kHzMemory60Sound Library60Sound Library CategoryCLEAN, CRUNCH, DRIVE, HEAVY, LEAD, EXTREMEEffect TypeCOMP/FX (Compressor/Effect): COMP, T.WAH, AC SIMOD/DS (Overdrive/Distortion): BOOST, OD-1, T-SCREAM,BLUES, DIST, CLASSIC, MODERN, METAL, CORE, FUZZPREAMP: CLEAN, TWIN, TWEED, VO DRIVE, BG LEAD, MS VINTAGE, MS MODERN, 5150 DRIVE, R-FIER, ULTRA METALMODULATION: CHORUS, PHASER, FLANGER, ROTARY, UNI-V, TREMOLO, HARMONIST, OCTAVEDELAY: 1-99ms, 100-990ms, 1000-6000ms, TAPREVERB: ROOM, HALLPEDAL FX (Pedal Effect): WAH, +1 OCTAVE, -1 OCTAVE, FREEZENS (Noise Suppressor)Nominal Input LevelINPUT: -10 dBuAUX IN: -18 dBuInput ImpedanceINPUT: 1M ohmAUX IN: 22k ohmsNominal Output Level-10 dBuOutput Impedance2k ohmsDisplay7 segments, 2 digits LEDPower SupplyDC 9 VDry Batteries (R6/LR6 (AA) type) x 6AC Adaptor (BOSS PSA series: sold separately)Current Draw150 mADuration of continuous use with battery operationAlkaline: 9 hoursCarbon: 3 hours*These figures will vary depending on the actual conditions of use.AccessoriesOwner's Manual, ME-25 DVD-ROM, Sound Library/Memory List (Leaflet), Sound Library Sticker, Dry Batteries (Alkaline: LR6 (AA) type) x6, Roland Service (Information Sheet)OptionsAC Adaptor BOSS PSA seriesSize and WeightWidth300 mm11-13/16 inchesDepth191 mm7-9/16 inchesHeight72 mm2-7/8 inchesWeight1.9 kg4 lbs. 4 oz.Size and Weight ( *when expression pedal is raised up )Width300 mm11-13/16 inchesDepth191 mm7-9/16 inchesHeight93 mm3-11/16 inchesWeight1.9 kg4 lbs. 4 oz.* AF method (Adaptive Focus method) / This is a proprietary method from RolandIn the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.*