QSC PL-340 POWER AMPLIFIER 2x1250W RMS @4Ω, 2x2000W RMS @2Ω

Power Rating

Stereo Mode:
8Ω EIA 1 kHz 1% THD - 800W
4Ω EIA 1 kHz 1% THD - 1250W
2Ω EIA 1 kHz 1% THD - 2000W


Bridged Mono:
8Ω EIA 1 kHz 1% THD - 2600W
4Ω EIA 1 kHz 1% THD - 4000W

Damping Factor     Not Specified By Manufacturer
Input Sensitivity     26dB Setting - 3.92V
32dB Setting - 1.96V
Input Impedance     > 10kΩ balanced, or unbalanced
Gain     36.4dB
Frequency Response     20Hz to 20kHz, +/- 0.2dB
Signal-to-Noise Ratio     -105dB
Total Harmonic Distortion (THD)     0.02% @ 2Ω
0.005-0.01% @ 4Ω
0.002-0.01% @ 8Ω
Input Connections     Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel)
DataPort: HD-15, input signal in parallel with XLR input connectors
Output Connectors     Output: Neutrik Speakon (ch 1 wired to both channels) and 5-way binding posts
Controls Front Panel     AC Power Switch
Gain Controls, 21 detents, 1 dB steps (each channel)
Controls (Rear)     Input Mode: Bridge (Yellow), Stereo (Green), or Parallel (Orange)
Gain / Sensitivity: 26dB (Orange), 32dB (Green), or 1.2V (Yellow)
High Pass (each channel): 3Hz (Off), 30Hz (Yellow), or 50Hz (Orange)
Clip Limiter (each channel): Off, On (Yellow)
Indicators     Clip Limiter (each channel): Off, On (Yellow)
Camera Resolution     Flow-thru air path and solid aluminum heat sinks
Power Consumption     120V 50/60Hz - 12A
230V 50Hz - 7A
Power Requirements     Not Specified By Manufacturer
Dimensions (WxHxD)     19 x 3.5 x 15.63" (48.3 x 8.9 x 39.7cm)
Weight     33.5 lbs (15.2kg)
Specialties     Parallel Dataport, XLR/M and XLR/F connectors for simple loop-through connectivity

Live performance DSP amplifier. Fully integrated professional speaker processing with FIR Drive technology . Market leading acoustic performance and rock solid reliability. True 2 ohm stability. Intuitive system control software, makes setup and control easy. Rated power: 2 Χ 2200 Watts/2Ω, 2 Χ 1800 Watts/2,6Ω, 2 Χ 1300 Watts/4Ω, 2 Χ 650 Watts/8Ω.

This professional stereo power amplifier, working in class-H mode, provides 2x1600W, at an efficiency of around 85%.
A massive transformer based power supply and hand selected components makes this power rating possible with exceptional audio quality and absolute reliability, even in the 2 Ohm mode.
The output stage is fully protected against over-temperature, short circuit, RFI and equipped with soft start circuit and temperature-controlled fan cooling.
The integral soft clip limiter protects against damage to the connected loudspeakers.
The activity of a protective circuit, signal and limiter is shown for each channel by LEDʼs.

XR Series - Intelligent Power
New Horizons.

A lightweight with enormous power output. Combined with digital signal processing.
That's what we call flexibility! Locally controlled or completely networked.
No matter what the requirements are.
The integrated powerful digital signal processor (DSP) and controller allows
for a troublefree and easy adjustment to any acoustical environment.
Wear-free digital potentiometers, sequential remote power on,
alive contacts for easy supervision, computer controlled monitoring -
 its enless list of useful feature make it the right choice for any installation.
XR - the new definition of Intelligent Power

High Tech SMT Design
Digital Signal Processor
Excellent sound and superior impulse response
Protection Circuits: DC, LF, HF, Thermal, Short Circuit, Current Limiter, 3 ms Muting Delay
PHOENIX / Speakon
High-End Switched Power Supply with Power Factor Correction (not XR4000)
LED Indicators for SIGNAL, CLIP, PROTECT, POWER
Temperature controlled, variable speed low noise fans
Digital wear-free Volume Controls (can be operated manually)
Stereo / Bridged / Parallel Mode
Softstart
Sequential Remote Power On
Alive Contact
Paging Input
Monitor Output
SXL Dataport
Perfect Weight-to-Power ratio
3 Years Warranty

Technical Data:
XR 2500:  2x 1600 W @ 2 Ohm
                2x 1250 W @ 4 Ohm
Class:  H
Frequency Response:20 Hz - 20 kHz (0 / -0.3 dB)
THD:  < 0.02%
Signal-to-Noise Ratio:  < -106 dB
Channel Seperation:  > 85 dB
Input Sensitivity:  +6 dBu
Input Clipping:  22 dBu
Input Impedance:  20 kOhm
Damping Factor:  750 to 1200 @ 4 Ohm
Cooling:  4 Fans (temp. reg. variable speed)
Weight:  9 kg
Dimensions:  2 RU / 483 x 88 x 454 mm(19" x 3.5" x 17.9“)

Number of Channels: 2

Output Power: (per channel)

8 ohms 700W
4 ohms 1350W
2 ohms 2400W


Output Power: (bridged)

8 ohms 2700W
4 ohms 4800W

THD%: (@1dB below max output)

@ 1kHz 20Hz to 20kHz
Gain / Sensitivity:

Gain 26/32/33dB
Sensitivity (for max power) +13/7/6dBu (3.5/1.7/1.5V)

Frequency Response: 20Hz to 20kHz (+/- 0.3dB)


Power Consumption:
Nominal @ 240v into 4 ohms 3.0A
Nominal @ 120v into 4 ohms 6.0A

Dimensions: (2U) (mm)

Amplifier 88(h) x 482(w) x 428(d)
Single Box (UK shipping) 230 x 580 x 560
Double Box (outside UK) 250 x 610 x 600

Weight:

Amplifier 10.2kg
Boxed (shipping weight) 11.9kg

User's Manual