EC-20 Four Channel Digital Power Amplifier

Technical Specifications

Output Power

• 8Ω: 4 × 300W
• 4Ω: 4 × 600W
• 2Ω: 4 x 850W

Performance

• Frequency Response: 20Hz–20kHz (±0.5dB @ 1W / 8Ω)
• Total Harmonic Distortion (THD): 0.02% @ 1kHz / 8Ω
• Signal-to-Noise Ratio (A-Weighted): ≥ 105dB
• Damping Factor: ≥ 250
• Crosstalk: ≥ 75dB
• Slew Rate: 17V/µs

Input

• Input Sensitivity: 0.775V / 1.0V
• Input Impedance:
• 20KΩ (Balanced)
• 10KΩ (Unbalanced)

Protection Features

• DC Protection
• Short Circuit Protection
• Over-Temperature Protection
• Power On/Off Mute (Anti-Shock)

Indicators / Display

• LED Indicators for:
• Signal
• Power
• Clip/Distortion
• Protection

Cooling System

• Dual high-speed fans
• Tunnel-type airflow
• Rear-to-front ventilation design