?Effect Types : 46 ?Effect Modules : 8 ?Patch Memory : User 40 + Preset 40, Total 80 ?Sampling Frequency : 96kHz ?A/D Conversion : 24bit, 128times over-sampling ?D/A Conversion : 24bit, 128times over-sampling ?Signal Processing: 32bit ?Frequency Response : 20Hz - 40kHz +1.0dB/-4.0dB (with 10k? load) ?Display : 2 digit 7 segment LED ? Input : 1/4" phone jack(Rated input level : -20dBm, Input impedance : 470k?) ?Output(Line / headphones combined) : 1/4" stereo phone jack(Maximum output level : [LINE]+3dBm, output load impedance 10k? or higher / [headphones]20mW + 20mW, into 32 ohms load) ?Control Input (B1 only): Expression pedal, Foot switch ?Power Requirements : AA size(LR6) battery x 4(Optional), or AC adaptor DC9V/300mA / Center minus type(AD-0006 recommended) ?Battery Life : 12 hours(with alkaline batteries) ?Dimensions : B1 = 155(D) x 136(W) x 52(H) mm, B1X = 155(D) x 234(W) x 52(H) mm ?Weight(without batteries) : B1 = 350g, B1X = 600g ?Optional Accessories (B1 only): FP02(Expression pedal), FS01(Foot switch)