PLD Series Amplifiers 21 
Application Guide—Portable PA Rev. E, Apr. 2015
Application: Stereo passive tops and subs
•  Two 8Ω medium-power single-woofer passive tops, stereo 
•  Two 8Ω medium-power single subwoofers, stereo
Equipment
Current draw 
120 V / 230 V
Rack 
spaces Total watts Weight
Old paradigm
Two medium-power 
two-channel amps
~8 A / ~4 A 4 1200 ~80 lb
New paradigm
PLD4.2 4.6 A / 2.3 A 2 2000 18.5 lb