The PowerLightâ„¢ 3 Series is designed for the most demanding live audio users, whether in touring rigs or fixed installations. The most requested features of the PowerLight 2 series have been upgraded to deliver " the ultimate analog amplifier" , while the QSC Dataport ensures full compatibility with advanced digital processing and QSControl.netâ„¢ . Three models range in power from 1250 watts to 4000 watts per channel at two ohms, all in two-rack space chassis that are only 15.6" ( 40 cm) deep and 22 lbs ( 10 kg) .

FEATURES :
* PowerLight switchmode power supply for highest efficiency and improved audio performance
* Flow-thru air path and solid aluminum heat sinks for maximum cooling
* DataPort supports remote computer control and/ or external DSP-4 modules
* Detented gain controls with 1 dB steps for precise calibration
* Removable knobs with lock-out security plate to prevent unauthorized tampering
* User defeatable clip limiters and selectable low-frequency filter per channel ( 3 Hz, 30 Hz, or 50 Hz)
* Three selectable input gains ( 26 dB, 32 dB, or 1.2 V)
* Front and rear panel LEDs indicate status of switch settings at a glance
* Parallel Dataport, XLR/ M and XLR/ F connectors for simple loop-through connectivity
* Neutrik Speakon® and " Touch Proof" binding post outputs
* Neutrik Powercon® power cable remains secure on the road
* Class D output circuit re-doubles the output power with even lower losses and minimal increase in average AC power, dramatically reducing power distribution demands compared to older high power amplifiers