38 QSC Audio Products LLC
Application Engineering Team
Application: Stereo bi-amp tops and subs
• Two 4Ω high-power double-woofer bi-amp loudspeakers, stereo
• Two 4Ω high-power double subwoofers, stereo
Equipment
Current draw
120 V / 230 V
Rack
spaces Total watts Weight
Old paradigm
Low-power two-channel amp
Two high-power two-channel
amps
~23 A / ~11.5 A 8 5150 ~165 lb
New paradigm
Two PLD4.5 13.6 A / 6.8 A 2 11200 44 lb
Alternative 4-pole connection
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