| Built-in Effects |              SPX algorithm: 24 programs, PARAMETER control:1, FOOT SW:1 (FX RTN CH on/off) |          
                      | Phantom Power |              +48 V switchable, channels 1 - 4 |          
                      | Digital I/O |              USB: USB Audio Class 2.0 compliant Sampling frequency: max 192 kHz Bit depth: 24-bit |          
                      | Input Channels |              4x mono [mic/line] 2x mono/stereo [mic/line] 2x stereo [line] |          
                      | Output Channels |              2x stereo out 1x monitor out 1x headphone out 2x aux out 2x group out |          
                      | Bus |              Stereo: 1 AUX: 2 GROUP: 2 |          
                      | Pad |              26 dB (mono) |          
                      | HPF |              80 Hz, 12 dB/oct (mono/stereo: MIC only) |          
                      | Compressor |              Threshold: +22 dBu to -8 dBu Ratio: 1:1 to 4:1 Output level: 0 dB to 7 dB Attack time: approx. 25 msec Release time: approx. 300 msec |          
                      | Equalizer |              EQ high gain: +15 dB/-15 dB, Frequency: 10 kHz shelving EQ mid gain: +15 dB/-15 dB, Frequency: 2.5 kHz peaking EQ low gain: +15 dB/-15 dB, Frequency: 100 Hz shelving |          
                      | LED |              Peak LED turns on when post EQ signal reaches 3 dB below clipping |          
                      | Level Metering |              2 x 12-segment LED meter [PEAK, +10, +6, +3, 0, -3, -6, -10, -15, -20, -25, -30 dB] |          
                      | Total Harmonic Distortion |              0.03% @ +14 dBu (20 Hz to 20 kHz), GAIN knob: Min, 0.005% @ +24 dBu (1 kHz), GAIN knob: Min |          
                      | Frequency Response |              +0.5 dB/-1.5 dB (20 Hz to 48 kHz), refer to the nominal output level @ 1 kHz, GAIN knob: Min |          
                      | Equivalent Input Noise |              -128 dBu (mono input channel, Rs: 150 Ω, GAIN knob: max) |          
                      | Residual Output Noise |              -102 dBu (STEREO OUT, STEREO master fader: min) |          
                      | Crosstalk |              -78 dB |          
                      | Power Requirement |              AC 100 - 240 V, 50 / 60 Hz |          
                      | Power Consumption |              22 W |          
                      | Dimensions |              12.1 x 4.6 x 16.6" (308 x 118 x 422 mm) |          
                      | Net Weight |              9.3 lb (4.2 kg) |