AD Conversion24 bits + AF methodAF method (Adaptive Focus method)* This is a proprietary method from Roland &BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters. DA Conversion24 bitsSampling Frequency44.1 kHzPatches36 (User) + 36 (Preset)PedalsPedal switch x 8Expression pedal x 1Nominal Input LevelGUITAR INPUT: -10 dBuAUX IN: -20 dBuInput ImpedanceGUITAR INPUT: 1 M ohmAUX IN: 27 k ohmsNominal Output LevelGt. AMP OUTPUT L/MONO, R: -10 dBuREC OUT/PHONES: -10 dBuOutput ImpedanceGt. AMP OUTPUT L/MONO, R: 2 k ohmsREC OUT/PHONES: 44 ohmsRecommended Load ImpedanceGt. AMP OUTPUT L/MONO, R: 10 k ohms or greaterREC OUT/PHONES: 16 ohms or greaterConnectorsGUITAR INPUT jack: 1/4-inch phone typeGt. AMP OUTPUT L/MONO, R jack: 1/4-inch phone typeREC OUT/PHONES jack: Stereo miniature phone typeAUX IN jack: Stereo miniature phone typeUSB COMPUTER port: USB type BDC IN jackDisplay7 segments, 2 digits LEDPower SupplyAlkaline battery (AA, LR6) x 6orCarbon-zinc battery (AA, R6) x 6orAC adaptorCurrent Draw200 mAExpected battery life under continuous useAlkaline: Approx. 7 hoursCarbon: Approx. 2 hours* These figures will vary depending on the actual conditions of use. AccessoriesOwner's ManualAlkaline battery (AA, LR6) x 6"Read Me First" LeafletOption (sold separately)AC adaptor: PSA seriesSIZE AND WEIGHTWidth447 mm17-10/16 inchesDepth231 mm9-1/8 inchesHeight70 mm2-13/16 inchesWeight3.6 kg7 lbs. 15 oz. SIZE AND WEIGHT (MAXIMUM HEIGHT)Width447 mm17-10/16 inchesDepth231 mm9-1/8 inchesHeight91 mm3-5/8 inchesWeight3.6 kg7 lbs. 15 oz. Šaljemo Post Express-om Music Trade instruments &moreBeograd: Music TradeJug Bogdanova 14011/ 4084 932 Novi Sad: Music TradeŠafarikova 20021/6616-077