Controls 4 x Push-Activated Rotary Knob (Add, Delete, Library, and Menu) 4 x Push Button (Memory Down, Memory Up, Scroll Left, and Scroll Right) 1 x Footswitch Presets 100 Sampling Rate 44.1 kHz A/D Conversion 24-Bit (128 x Oversampling) Audio D/A Converter 24-Bit (128 x Oversampling) DSP 32-Bit Frequency Response 20 Hz to 20 kHz (±0.5 dB, 10-Kilohm Load) Input Impedance 470 Kilohms Maximum Output Level +7.2 dBu Signal-to-Noise Ratio 122 dB Noise Floor -100 dBu Display Panel Type LCD Resolution 160 x 128 Touchscreen No Inputs / Outputs USB I/O 1 x USB-C 2.0 Female Input Audio I/O 1x 1/4" TS Hi-Z/Instrument Input 2x 1/4" TS Hi-Z/Instrument Output (1 Stereo Pair) Wireless Mobile App Compatible Yes, Adapter Required (Not Included): iOS Only App Name: Handy Guitar Lab Functionality: Adjust Settings, Firmware Update Power Power Source AC Adapter with Power Brick, Battery Battery Type 2x AA DC Input Power 9 VDC at 500 mA Operating Current 500 mA Physical Color White Material of Construction Metal Dimensions 5.2 x 3.1 x 2.4" / 13.3 x 7.9 x 6.1 cm Weight 12.5 oz / 353 g (Without Batteries) 14.1 oz / 400 g (With Batteries) Packaging Info Package Weight 0.97 lb Box Dimensions (LxWxH) 3.5 x 2.7 x 2.4"