PSSO QDA-4400 4-Channel Power Amplifier

Features

• 4-channel PA amplifier with Class-D technology
• Lightweight and low profile due to integrated switch-mode power supply
• Reliable workhorse with high impulse strength for a wide range of applications (e.g., compact PAs, multi-way PAs, concerts)
• 3 selectable operating modes (Stereo, Parallel, or Bridged)
• Level control for each channel
• Adjustable input sensitivity
• Per channel LED VU meter and LEDs for activated protection circuit (Protect) and clipping (Clip)
• Electronically balanced inputs via XLR connectors with XLR loop-through outputs
• Speaker outputs via lockable speaker connectors
• Robust steel chassis with aluminum front panel
• High-efficiency airflow from front to rear
• Device cooling via temperature-controlled fans
• (19") 48.3 cm rack mountable, 2U
• Suitable for applications such as clubs/dance schools, installations, mobile use, mobile DJs/entertainers, restaurants, bars, hotels, rental services, sports centers/gyms
• Power supply: 100-240 V AC, 50/60 Hz
• Total connection value: 830 W at 1/8 power
• Protection class: Class I
• Output power: 4 x 1100 W RMS (4 Ohm), 4 x 650 W RMS (8 Ohm), 2 x 2000 W RMS bridged (8 Ohm)
• Frequency range: 20 - 20,000 Hz
• Signal-to-noise ratio: >100 dB
• Cooling: 2 x temperature-controlled fans, airflow from front to rear
• Impedance: Input: 20 kOhm, balanced; Input: 10 kOhm, unbalanced
• Gain: 39.9 dB
• Chassis color: Black
• Circuitry: Class D
• Rise times: >10 V/µs
• Damping factor: >500
• Crosstalk attenuation: >65 dB
• Controls: Power switch, operating mode selector (Stereo/Parallel/Bridged), volume control per channel, input sensitivity switch
• Protection circuitry: Soft start; Overheating; Overload; Short circuit; Progressive level control; VHF; Limiter
• Status LEDs: Power, Level indication, Clip, Protect
• Connections: Input: Line via 4 x 3-pin XLR; Output: Line via 4 x 3-pin XLR; Output: Speaker via 4 x speaker connectors (W)
• Input sensitivity: 0.775 V; 1.0 V; 1.81 V, switchable; 32 dB; 37 dB; 39.3 dB, switchable
• Chassis design: (19") 48.3 cm rack mountable, 2U
• Dimensions: Width: 48.3 cm; Depth: 46.1 cm; Height: 8.9 cm
• Weight: 9.50 kg