The StompMix 4 Compact Digital Mixer Pedal is built with a powerful 32-bit DSP engine and a compact lightweight stomp box package.The StompMix 4 offers a full featured, highly intuitive four channels Digital Mixer with a colour display.The DSP engine provides a Compressor, Limiter, Mid sweepable EQ, High-Pass Filter, Notch Filter, Phase reverse to each of the 4 inputs.Analog inputs consisted of 2 Class A solid-state Mic pre-amps with +48V Phantom power and two 1/4″ TS line inputs.Two sets of stereo Mix outputs are selectable between a 1/8″ TRS jack and 2 1/4″ TS jacks . 2 Footswitches with assignable functions. 4 Mono inputs: 2x mic (XLR Combo jack), 2x line (1/4" TS jack) 2x Class-A Mic inputs with TRIM and PAD (CHAN 1 and 2) 2 x Main Out: selectable between a 3.5 mm jack or 2 x 1/4" Balanced TRS jack Effects per channel: Noise Gate, Compressor, EQ, Reverb, Delay Independent Reverb effect on each channel 2 notch filter available on each channel High Pass Filter and Phase Reverse on each channel Noise Gate and Compressor on each channel 3 Band EQ with Sweepable MID on each channel Max 1 second Delay with Tap Tempo (assign to one Channel at a time) LCD control Assignable Footswitch functions (MUTE channels, EFX by-pass, Tap Tempo, Scene change etc) Up to 10 individual mixer scenes can be saved and called up using the foot switch Aux sends per channel (pre or post available) 48 V phantom power Shielded against HF interference Current consumption: 400 mA Power supply with a 12 V DC or 9V DC (centre positive tip) Dimensions (W x D x H): 41 x 90 x 50 mm Weight: 816 g Designed & assembled in USA Click Here to download User Manual v1.02 Click Here for Frequent Q&A and Firmware Update Info.