CX models with SPX digital multi effect Whether you have a mixing applications that involves only a few channels, or up to 32 inputs with substantial signal routing versatility, Yamaha's MG-series offers a console that will give you the capacity, control, and performance you deserve. All models are remarkably compact and lightweight for superior handling and portability, but absolutely no compromises have been made in terms of features, performance, or durability. The MG mixers offer an extraordinary blend of technology: some inherited from professional Yamaha mixing consoles you're likely to see in distinguished halls throughout the world, and some developed specifically to deliver optimum performance in the MG-console format. In either case these performance-packed mixers are founded on a world-spanning network of human and technological resources that crystallize to deliver features that really matter, and sound that is undeniably superior MG82CX MG124CX MG166CX Mic/Line inputs 4 6 10 Line inputs 2 mono + 4 stereo 4 mono + 4 stereo 8 mono + 4 stereo Mixer input channels 8 12 16 Group busses - 2 4 AUX busses 1 (Effect send) 2 (Incl. 1x Effect send) 3 (Incl. 1x Effect send) Main busses Stereo Stereo Stereo Total harmonic distortion (THD+N) Less than 0.1%, 20Hz-20kHz Frequency response 0, +1, -3dB , 20Hz-20kHz Hum and noise level Equivalent input noise (EIN): -128dBu Residual output noise: -100dBu Equivalent input noise (EIN): -128dBu Residual output noise: -98dBu Crosstalk (1kHz) -70dB Power supply adaptor PA-10 AC adaptor (AC38VCT, 0.62A) 100V, 120V, 220V, 230V or 240V; 50/60Hz PA-20 AC adaptor (AC35VCT, 0.94A) 100V, 120V, 220V, 230V or 240V; 50/60Hz PA-30 AC adaptor (AC35VCT, 1.4A) 100V, 120V, 220V, 230V or 240V; 50/60Hz Power consumption 21W 30W 35W Dimensions (W x H x D, mm) 256.6 x 62.2 x 302.5 346.2 x 86.1 x 436.6 478 x 105 x 496 Net weight 1.6kg 3.2kg 5.5kg Accessories Owners manual, AC adaptor - Hum and noise level are measured with a 6dB/octave filter @12.7kHz; equivalent to a 20kHz filter with infinite dB/octave attenuation.