QSC RMX4050A Amplifier

Description

Compact size — up to 2500 watts in two rack spaces
 or 5000 watts in three rack spaces
High-current toroidal transformers
for greater 2-ohm power and low noise
Independent user-defeatable
clip limiters reduce distortion
Selectable low-frequency filters 
30 Hz or 50 Hz) protect speakers and increase headroom
The 4000-watt RMX4050a 
 operates on a standard 15 amp plug (120V)