PSSO QDA-4400 4-Kanaals Versterker

PA amplifier with SMPS, 4 x 1100 W / 4 ohms, 4 x 650 W / 8 ohms

4-channel PA amplifier with class D circuitry
4 x 1100 W/4 ohms
Low weight and height due to integrated switch mode power supply
Reliable power amp with high impulse stability for a wide range of applications (e.g. compact PAs, multi-way PAs, international concerts)
Speaker switch-on delay
3 operating modes can be selected (stereo, parallel or bridged)
4 level controls for precise level adjustment
Input sensitivity adjustable
LED VU meter and LEDs for activated protective circuit (protect), overload (clip), and signal per channel
Complete protection set
Highly efficient front-to-rear air routing
Electronically balanced inputs via XLR mounting jacks, with XLR feed-through outputs
Speaker outputs via lockable Speaker plugs
Rugged steel chassis with aluminum front panel
Power supply:
100-240 V AC, 50/60 Hz

Power consumption:
830 W (1/8 power)

Power output (RMS):


Stereo, parallel at 4 ohms
4 x 1100 W

Stereo, parallel at 8 ohms
4 x 650 W

8 ohms bridged
2 x 2000 W

Frequency range:
20-20000 Hz

Signal-to-Noise ratio:
>100 dB

Total harmonic distortion:
<0.1 %

Damping factor:
>500

Slew rate:
>10 V/µsec

Crosstalk:
>65 dB

Input sensitivity:
0.775 V/1.0 V/1.81 V or 39.3 dB/37 dB/32 dB, switchable

Voltage gain:
39.3 dB

Input impedance:
20 kohms (balanced), 10 kohms (unbalanced)

Input connectors:
4 x XLR

Output connectors:
4 x Speaker, 4 x XLR feed-through output

Circuitry:
Class D

Protection:
Soft start, short circuit, over load, over heat, clip limit, RF and VHF signals

Cooling:
2 temperature-controlled fans, front-to-rear

Controls:
Power switch, level control, mode switch (stereo,parallel,bridged), input sensitivity

LED indicators:
protect, clip, signal, -5 dB, -10 dB, -20 dB (per channel), dB/V mode

Construction:
Steel chassis, aluminum front

Dimensions:
483 x 461 x 91 mm


rack installation with 2 U

Weight: