PSSO QDA-6000 MK2 4-Channel Class D Power Amplifier 4 x 1500 W RMS (4 Ohm) SMPS

Live sound engineers and mobile DJs needing serious power for large venues will appreciate the PSSO QDA-6000 MK2. This 4-channel Class D amplifier delivers 4 x 1500 watts RMS at 4 ohms, making it a solid choice for driving multiple speaker cabinets or powering a full-range PA system with headroom to spare. The switched-mode power supply keeps the unit lightweight and efficient, while the 2U rack-mount chassis fits standard equipment racks. Front-panel controls and LED indicators allow quick monitoring and adjustment during a show.

Key specifications

• 4 channels, Class D topology with SMPS for high efficiency and low heat
• Power output: 4 x 1500 W RMS @ 4 ohms, 4 x 800 W RMS @ 8 ohms, 4 x 2000 W RMS @ 2 ohms
• Bridge mode: 2 x 3000 W RMS @ 8 ohms
• Frequency response: 20 Hz – 20 kHz
• Signal-to-noise ratio: >100 dB
• Total harmonic distortion: <0.05%
• Damping factor: >500
• Inputs: XLR balanced, selectable sensitivity (0.775 V / 1.0 V / 1.4 V)
• Outputs: Speaker Twist (Neutrik speakON compatible)
• Protection: overload, short circuit, DC, thermal, soft start
• Cooling: temperature-controlled fan
• Power: 230 V AC, 50 Hz
• Rack size: 2U

Why choose it

The QDA-6000 MK2 combines high output with reliable operation. Its Class D design and SMPS reduce weight and power consumption compared to traditional amplifiers, while the comprehensive protection circuitry guards against common faults. The selectable input sensitivity allows matching with various mixers and processors, and the bridge function provides flexibility for high-power subwoofer applications.

Ideal use cases

• Live sound reinforcement for bands and events
• Mobile DJ setups requiring high power in a compact rack
• Fixed installations in clubs, houses of worship, and auditoriums
• Driving passive PA speakers and subwoofers

Good to know

The amplifier features a temperature-controlled fan that adjusts speed based on internal heat, ensuring quiet operation during low-level passages and maximum cooling under heavy load. The front panel includes LED indicators for signal, clip, protect, and power status, along with level controls for each channel. A user manual is included for setup and operation guidance.