HULK SERIES

HK4000 – Professional Power Amplifier

Power Output

• 1250W × 2 @ 8Ω (Stereo)
• 2000W × 2 @ 4Ω (Stereo)
• 2850W × 2 @ 2Ω (Stereo)
• 2500W @ 8Ω (Bridge)
• 4000W @ 4Ω (Bridge)

Audio Performance

• Frequency Response: 20Hz – 20kHz
• THD: <0.05% (20Hz–20kHz)
• Input Sensitivity: 0.775V / 1.0V / 1.4V
• Slew Rate: 42V/µs
• Damping Factor: 1000
• Signal-to-Noise Ratio: >97dB

Cooling System

• Tunnel-cooled heat-sink architecture for maximum, consistent airflow
• Variable-speed DC fans for efficient thermal management

Protection Features

Engineered with high-grade protection circuitry, including:

• DC Protection
• Short Circuit Protection
• Over-Temperature Protection
• Overload / Clip Limit Protection

Ensures stable performance even with difficult speaker loads and tough power conditions.

Technology

• Class-H design for low distortion, excellent thermal stability & high efficiency
• Built for professional PA, rental, touring & heavy-duty audio applications
• Delivers clean, powerful output with outstanding reliability