The Zoom B3n lets you create your own original sound, no matter the kind of music you play. This bass pedal has countless amp, cabinet, and stompbox effects that you can use on stage or in the studio. Plus, its editing features are simple enough that you can tweak your sound even when you're on the road. Specs Effect types: 67 Number of simultaneous effects : 7 Number of user banks/patches: 150 Sampling frequency: 44.1 kHz A/D conversion: 24-bit with 128x oversampling D/A conversion : 24-bit with 128x oversampling Signal processing : 32-bit Frequency characteristics : 20 – 20 kHz +1 dB, -3 dB (10 k? load) Display: 128 x 32 dot-matrix LCD (x3) INPUTS INPUTS: Standard monaural phone jack Rated input level: -20 dBu* Input impedance (line): 470 k? AUX IN: Stereo mini jack (3.5 mm) Rated input level: -10 dBu* Input impedance (line) : 10 k? OUTPUTS Output R: Standard monaural phone jack Maximum output level: Line +5 dBm* (with output load impedance of 10 k? or more) L/Mono/Phone: Standard stereo phone jack (combined line/headphone) Maximum output level: Line +5 dBm (with output load impedance of 10 k? or more) Headphones 15 mW + 15 mW (into 32 ? load) Equivalent input noise: -119 dBu Noise floor (residual noise) : -100 dBu Control input: Zoom FP02M Power: AC adapter DC9V (center minus plug), 500 mA (ZOOM AD-16) USB: USB MIDI USB Micro-B Dimensions: 181 mm (D) X 234 mm (W) X 58 mm (H) 7.1 in (D) X 9.2 in (W) X 2.2 in (H)