QSC PLD4.2 4-Channel Professional Power Amplifier 4 x 400 Watts at 4 Ohms
4-Channel Professional Power Amplifier 4 x 400 Watts at 4 Ohms
The PLD Series commercial amplifiers from QSC offer unparalleled value and performance to the installer and to your clients, which will lead to happier customers and more repeat business and referrals.
The PLD4.2 features QSC's proprietary Flexible Amplifier Summing Technology™ (FAST), so up to 1,600 watts of total power can be distributed across one to four outputs, with the onboard DSP to optimize each signal according to the needs of the specific situation.
The PLD Series amplifiers use QSC’s third-generation class-D power amp design in combination with a custom power stage utilizing a new output device. In addition, PLD amplifiers employ the proven PowerLight power supply in conjunction with Power Factor Correction (PFC) which aligns the current waveform with the AC mains voltage waveform. PFC enables the PLD Series amplifiers to draw current from the wall in a more efficient and controlled manner resulting in very high power from a single standard AC breaker. Additionally, the PLD Series amplifiers offer multi-stage sleep modes, saving even more energy when possible without sacrificing performance. The result is an exceptionally powerful and flexible platform that offers low weight and high efficiency.
With four channels of amplification plus signal processing in just 2RUs, the PLD series replaces equipment taking up as much as three times the rack-space.
A single PLD Series amplifier is a capable and sophisticated loudspeaker processor. Integration of processing and amplification means that the DSP knows exactly what the amplifier is doing so dynamics processing can be far more accurate and effective. This approach employs both RMS and Peak Limiters that allow the amplifier and loudspeaker to produce more output without being pushed to distortion or destruction.
The on-board DSP offers four channels of crossover filters, parametric EQ/Low-shelf/High-shelf, alignment delay and dynamics processing - everything needed to optimize a loudspeaker system. Additionally when using QSC loudspeakers, PLD amplifiers provide Intrinsic Correction™, a combination of filtering, limiting and loudspeaker know-how that was first developed for QSC's WideLine line-array loudspeakers. Intrinsic Correction compensates for the non-linearity in array and horn design resulting in exceptional performance.
The PLD Series also includes manufacturers' recommended tunings for the most popular passive loudspeakers. A system setup wizard helps you select the right preset, or select one of the 20 configuration templates and create tunings that you can save in the user preset library.
With a dedicated front panel user interface, complete with LED meters and indicators, a 400 x 240 TFT color display, a rotary encoder and navigation buttons, the PLD amplifiers provide an intuitive means to control the system.
Specifications: • Power output (1 kHz sine wave, all channels driven): 400 watts x 4 (8 ohms), 400 watts x 4 (4 ohms), 350 watts x 4 (2 ohms) • Power output (1 kHz sine wave, single channel mode): 1,500 watts x 1 (8 ohms), 1,600 watts x 1 (4 , 2, or 1 ohms) • Distortion (typical): 0.01 - 0.03% 8 ohms, 0.03 - 0.06% 4 ohms • Noise: (unweighted output unmuted): -101 dB; (weighted output muted) -109 dB • Frequency response: 20 Hz - 20 kHz, +0.2 dB, -0.07 dB • Gain (1.2V setting): 38.4 dB • Input impedance: >10k ohms unbalanced or balanced • Maximum RMS input level: 12.28V (+24 dBu @ 3.9V setting), 3.88V (+14 dBu @ 1.2V setting) • Dimensions: 3.5" (2RU) H x 19" W x 12" D • Weight: 18.5 lbs.