Mackie’s SRM550 is a 1600W system power paired with custom transducers that deliver gig-level volumes with room to spare. It features a 12″ high-output LF driver and 1.4″ titanium dome compression driver, as well as Mackie’s signature “Built-Like-A-Tank” construction. It is an all-wood, internally-braced cabinet that delivers unmatched road worthiness. A rugged 18-gauge steel grille and fine-textured, sleek black cabinet finish further enhance its safety features.
 
Mackie’s SRM550 Features:
Low-Frequency Section
-Woofer Diameter: 12″
-Voice Coil Diameter: 2.6″
-Diaphragm Material: Paper
-Magnet Material: Ferrite
Power Amplifiers
-System Power Amplification
-Rated Power: 800W RMS, 1600W peak
Low Frequency Power Amplifier
-Rated Power: 400W RMS, 800W peak
-Rated THD: < 1%
-Cooling: Convection
-Design: Class D
-High Frequency Power Amplifier
-Rated Power: 400W RMS, 800W peak
-Rated THD: < 1%
-Cooling: Convection
-Design: Class D