4-channel PA power amplifier with 5 kW output. The QDA-4400 PA amplifier delivers maximum power with low weight and a compact design, made possible by its Class D architecture. Together with a modern switching power supply, it achieves a nominal output of up to 5 kW while weighing less than 10 kg. This makes the amplifier particularly attractive for mobile applications, allowing for flexible use in stereo, parallel, or bridged operation. The amplifier and speakers are optimally protected by a comprehensive protection circuit package.

Amplifier with switching power supply, 4 x 1100 W / 4 Ohm, 4 x 650 W / 8 Ohm.

• 4-channel PA amplifier in Class D technology
• 4 x 1100 W / 4 Ohm
• Low weight and compact design due to integrated switching power supply
• Reliable operating unit with high impulse stability for a wide range of applications (e.g., compact PAs, multi-way PAs, international concerts)
• 3 adjustable operating modes (Stereo, Parallel, or Bridge)
• 4 volume controls
• Adjustable input sensitivity
• LED VU meters per channel and LEDs for activated protection circuit (Protect), overload (Clip), and signal
• Speaker turn-on delay
• Complete protection circuit package
• Electronically balanced inputs via XLR chassis connectors with XLR pass-through outputs
• Speaker outputs via lockable speaker sockets
• Robust steel housing with aluminum front panel
• Front-to-back ventilation
• The device is cooled by 2 temperature-controlled fans
• (19") 48.3 cm rack mountable, 2 U.