GFI System Cabzeus
They say:
Cabzeus is an algorithm-based, speaker cabinet miking simulator system. Connected directly to your gear, this device enables you to obtain the sound of a miked-guitar amp cabinet without the hassle of miking your cabinets. Extending this basic function, we’ve built into Cabzeus a plethora of unique and powerful features that goes beyond simple speaker simulations.
Specifications:
Input impedance: 1 MOhm.
Output impedance: 300 Ohm.
Sampling rate: 48 KHz.
DAC / ADC resolution: 24 bits.
Current consumption: ~150 mA.
Weight: 0.6 Kg (1.2 lbs).
Dimensions: 12 (L) x 9 (W) x 5.5 (H) cm
Power source requirement: 9VDC (negative center). Power supply is not included.