Blastking D20K-4S 20,000 Watt 4 DSP Channel Class-D Smart Power Amplifier

Unleash the full potential of your audio with the Axial Pro Smart Series Power Amplifier, a powerhouse combining 4 channels of exceptional amplification with a built-in, full-featured digital signal processor (DSP).

The Axial Pro Smart Series Power Amplifier integrates a reliable power supply, Class-D design, high efficiency, and unique variable speed cooling system for uncompromised performance and operational cost savings.

Whether you're a musician, DJ, audio installer, or venue owner, this series delivers crystal-clear, precisely tailored sound for any application.

FEATURES

• Lightweight Class D Power Amplifier
• DSP functions: Mute, Polarity, Gain, EQ, Xover & Limiter
• 48KHz Sampling Frequency
• 48-BIT DSP Fixed Points
• 24-BIT A/D and D/A Converter
• Frequency Response ± 0.25 dB, 20Hz – 20KHz
• Distortion < 0.1%
• +10 dBu Balanced Input
• >110 dB Signal to Noise Ratio
• NEUTRIK XLR and Speakon
• LCD Display
• USB, RS-485 and Ethernet
• High Efficiency Cooling System

SPECIFICATIONS

DSP

• Input: 4 Channels
• Output: 4 Channels
• PC Com Port: 1 USB Com Port on front panel, 1 USB Com Port on the back panel, 2 RS485 Com Ports and 1 Ethernet Network connection RJ-45
• Processor: 48KHz Sampling frequency, 48-bit Fixed-Point DSP, 24-bit A/D and D/A converter
• Dynamic range: >110dB
• Frequency Response: ±0.25dB, 20Hz - 20KHz
• Distortion: < 0.01%, 20Hz - 20KHz @ +10dBu balanced input
• Signal to noise ratio: >110dB
• Crossover filter: Each output channel can be independently set as LPF, HPF and APF. The parameters can be adjusted. Filter type: Butterworth, Bessel, Linkwitz-Riley. The Crossover Frequency: 20Hz - 20KHz, Slope: 12, 18, 24 or 48 dB/octave
• EQ: Bandwidth: 0.2 to 36 oct, Frequency: 20Hz - 20KHz, Gain: -24dB to +12dB, step:0.2 dB
• Delay: 0ms to 115ms
• Store Settings: 20 user programs dynamic storage

Amplifier

• Output Power
  • 8Ω Stereo Power 4 × 2100 Watts
  • 4Ω Stereo Power 4 × 4000 Watts
  • 8Ω Bridge Mono Power 2 × 80000 Watts
• Frequency Response: 20Hz - 20kHz ±0.5dB
• THD+N (Rated power, 4Ω/KHz)%: 0.10%
• Signal Noise Ratio (dB): 110dB
• Input Impedance: 20KΩ Balanced / 10kΩ Unbalanced
• Output Connectors: Speakon Connectors (NEUTRIK)
• Power Source: 100-120VAC 50-60Hz

Dimension (WxHxD): 19”x3.5”x14.7” (483x88x377 mm)
Weight: 28.7 lbs (13 Kg)