Maximum Power Output50 W (25 W + 25 W)Nominal Input Level (1 kHz)MIC/INSTRUMENT INPUT: -50/-10 dBu MIC/GUITAR INPUT: -10 dBu LINE IN: -10 dBu AUDIO IN (i-CUBE LINK): -10 dBu AUX IN/STEREO LINK IN: -10 dBuNominal Output Level (1 kHz)LINE OUT (L/MONO, R)/STEREO LINK OUT (L, R): -10 dBuSpeakersWoofer: 20 cm (8 inches) x 2 Tweeter: 5 cm (2 inches) x 2ControlsPOWER switch BATTERY CHECK/MUTE button OUTPUT POWER switch (ECO, NORMAL, MAX) [MIC/INSTRUMENT] SELECT switch (MIC, INST) VOLUME knob BASS knob MIDDLE knob TREBLE knob REVERB knob [MIC/GUITAR] TUNER button TYPE switch (A-GUITAR, ACOUSTIC SIM, CLEAN, CRUNCH, LEAD, MIC) VOLUME knob BASS knob MIDDLE knob TREBLE knob CHORUS/DELAY knob (CHORUS, DELAY) REVERB knob [AUDIO IN] VOLUME knob [LINE IN] VOLUME knob BATTERY CHECK/MUTE button STEREO LINK/LINE OUT switchIndicatorsPOWER BATTERY BATTERY CHECK/MUTE TUNERConnectors[MIC/INSTRUMENT] INPUT jack: Combo type (XLR type, 1/4-inch TRS phone), balanced FOOT SW (REVERB) jack: 1/4-inch TRS phone type [MIC/GUITAR] INPUT jack: Combo type (XLR type, 1/4-inch TRS phone), unbalanced FOOT SW (TIP: CHORUS/DELAY, RING: REVERB) jack: 1/4-inch TRS phone type [AUDIO IN] STEREO AUDIO IN (i-CUBE LINK) jack: 4-pole miniature phone type [LINE IN] STEREO LINE IN (L/MONO, R) jacks: 1/4-inch phone type AUX IN/STEREO LINK IN jack: 1/4-inch phone type LINE OUT (L/MONO, R)/STEREO LINK OUT (L, R) jacks: 1/4-inch phone type PHONES jack: Stereo 1/4-inch phone type DC IN jackPower SupplyAC adaptor (DC 13 V) Alkaline battery (AA, LR6) x 8 Rechargeable Ni-MH battery (AA, HR6) x 8Current Draw730 mAExpected battery life under continuous use[OUTPUT POWER switch: MAX (Maximum power output: 50 W)] Alkaline battery: Approximately 4 hours Rechargeable Ni-MH battery: Approximately 5 hours (*1) [OUTPUT POWER switch: NORMAL (Maximum power output: 25 W)] Alkaline battery: Approximately 8 hours Rechargeable Ni-MH battery: Approximately 10 hours (*1) [OUTPUT POWER switch: ECO (Maximum power output: 10 W)] Alkaline battery: Approximately 16 hours Rechargeable Ni-MH battery: Approximately 20 hours (*1) *1 When using batteries having a capacity of 2,450 mAh. * These can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.AccessoriesOwner's manual AC adaptor Power cord Mini cable (4-pole miniature phone type)Options (sold separately)Carrying Case: CB-CS2 Footswitch (BOSS FS-5U, BOSS FS-6, BOSS FS-7) Speaker Stand: ST-A95SIZE AND WEIGHTWidth490 mm 19-5/16 inchesDepth341 mm 13-7/16 inchesHeight305 mm 12-1/16 inchesWeight7.4 kg 16 lbs. 6 oz.