Q-NEX20.4 combines cutting-edge Class D technology and Switch Mode Power Supply to deliver up to 20,000 W across 4 channels. With a universal power supply featuring PFC (Power Factor Correction), they ensure consistent performance even during power fluctuations, always delivering maximum power. The advanced Power Control Management system intelligently distributes power across channels, allowing a single channel to achieve peak output when needed.
These amplifiers stand out for their superior sound quality, offering high fidelity across the full audio range, exceptional dynamics, and low distortion even at high power levels. Their efficiency exceeds 90%, resulting in minimal heat dissipation, reduced energy consumption, and lower operating costs, making them both economical and environmentally friendly. Compact and lightweight, Q-NEX amplifiers are easy to transport, further enhancing their eco-friendly credentials.
To ensure durability and reliability, Q-NEX amplifiers are equipped with extensive protection features, including safeguards against overheating, short circuits, mismatched loads, and voltage spikes. An ergonomic, up-side-down design minimizes dust accumulation on fans, while removable filters simplify maintenance in any environment.
The Q-NEX system is powered by the CORE2 DSP platform, developed with advanced SHARC technology for 40-bit floating-point resolution and top-tier 24-bit AD/DA converters, ensuring over 110dB dynamic range and impeccable sound quality. Its robust processing capabilities enable sophisticated speaker algorithms, including linear phase FIR filters, along with comprehensive remote control and networking functions.
The DSP section offers extensive tools: each input includes 5-band parametric EQ, 1024-tap FIR filter, programmable compressor/limiter, and up to 600ms delay. Outputs feature crossovers up to 48dB/octave, 10-band PEQ, dynamic EQ, dual limiters, and the same delay range. A flexible routing matrix allows seamless signal assignment between inputs and outputs for maximum configuration versatility.
The PRONET AX software, using a reliable CANBUS network protocol, offers an intuitive interface for remote control via etherCON RJ45 connectors. It allows full access to processing parameters and real-time amplifier status monitoring.
Channels : 4
Total output power : 20000 W
Output Power* (All ch. driven / Single ch.)
2 ohms : 4x5000 W / 1x5000 W
2.67 ohms : 4x5000 W / 1x6700 W
4 ohms : 4x5000 W / 1x6000 W
8 ohms : 4x2500 W / 1x3000 W
4 ohms Bridged : 2x10000 W
8 ohms Bridged : 2x10000 W
Hi-Z 100V : 4x5000 W / 1 x 5000 W
Hi-Z 70V : 4x3500 W / 1 x 3500 W
Max output voltage : 235 V peak
Max output current : 71 A peak
Frequency response : 20 Hz - 20 kHz
Input Sensitivity : +12 dBu (DSP adjustable)
Gain : 32 dB
Input Impedance : 30 Kohm (bal) / 15 Kohm (unbal)
Input Connectors : INPUT: XLR-F LINK: XLR-M
Output Connectors : NL4 Speakon
Network Connectors : 2 x ETHERCON®(NE8FAV)
Signal Processing : CORE2, 40bit floating point SHARC DSP, 24 bit AD/DA conv.
Direct access Controls : Capacitive touch panel - Dial - Terminate
Remote Controls : PRONET AX control software
Cooling : Variable speed DC fan
Protections : Soft-start, Turn-on Turn-off transients, Muting at turn-on, Overheating, DC, RF, Shortcircuit, Open or mismatched loads, Overloaded power supply, Clip Limiting
S/N Ratio : 115 dBA
THD+N : < 0.05 %
Power Supply : 90V - 265V AC, 50Hz-60Hz
1/8 Rated Power : 14 A
Weight Net (kg-Lb) : 9 kg (19.8 lbs)
Dimensions (W x H x D) : 483x89x355 mm (19”x3.5”x14”)
* IEC filtered pink noise signal (40Hz-5kHz, 12dB crest factor)
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Data Sheet
 | Q-NEX_data sheet_2024.pdf | Q_NEX Series Data Sheet |