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Home > All Products > Electronics > Professional Amplifier > K20 compact power amplifier

AUDIOPEAK Amplifier – Key Features

  • Global Adaptive Wide Voltage: Operates from 90V to 264V, ensuring reliable performance under variable power conditions.

  • Class D Amplifier with PFC: High-efficiency amplification with Power Factor Correction for energy-optimized operation.

  • Digital Gain Control: Precise digital gain reduction for accurate sound management.

  • Advanced Cooling System: Temperature-controlled, continuous variable-speed fan with front-to-back airflow.

  • Temperature Monitoring: Forecast and historical temperature display via LCD for proactive thermal management.

  • Comprehensive Protection: Safeguards against overheating, AC/DC faults, short circuits, overload, clipping, and long-term amplifier stress.

  • LCD Matrix Interactive Display: Clear, intuitive interface for real-time monitoring.

  • User-Friendly Front Panel Menu: Easy access to settings and system control.

  • Security: Optional password protection to lock settings and prevent unauthorized changes.


Channel-Specific Features:

  • Built-in, disableable clipping limiter per channel

  • Gate functionality that can be disabled

  • User-selectable gain/sensitivity

  • Adjustable maximum output power per channel

  • Selectable maximum power supply current consumption


Specifications:

  • Maximum Output Power (EIAJ Test Standard):

    • Stereo: 2×2700W/8Ω, 2×5200W/4Ω, 2×9000W/2Ω

    • Bridge: 10000W/8Ω, 18000W/4Ω

  • Working Voltage: 90V–264V

  • Gain Options: 26dB / 29dB / 32dB / 35dB

  • Input Sensitivity: 7.37V / 5.22V / 3.68V / 2.62V

  • Frequency Response: 20Hz–20kHz (±0.5dB) @1W, 8Ω

  • S/N Ratio: >110dBA (20Hz–20kHz, A-weighted)

  • Crosstalk Isolation: >66dB @1kHz

  • THD+N: <0.3% (1W to full power)

  • DIM100: <0.3% (1W to full power)

  • Input Impedance: 10kΩ balanced

  • Conversion Rate: 50V/μs @8Ω, input filter bypassed

  • Damping Factor: >5000 @20–200Hz

  • Dimensions (L×H×W): 483mm × 44.5mm × 475mm

  • Weight: 13.5kg