Wharfedale Professional 4-Channel Class-D Power Amplifier

The Wharfedale Pro DP-4120 is a premium 4-channel Class-D power amplifier featuring a powerful 96 kHz / 24-bit DSP engine for precise system control. Designed for touring, rental, and high-end fixed installations, the DP-4120 delivers up to 12,000 watts total output with exceptional clarity, headroom, and efficiency. Its onboard DSP provides advanced tools including crossover, parametric EQ, limiter, delay, and phase adjustment — all accessible from the front-panel LCD or via Ethernet network control. Built for durability and performance, it’s ideal for driving full-range loudspeakers, subwoofers, and line array systems.

Key Features:

• 4-channel Class-D amplifier with integrated DSP control
• Massive output power: 4 × 3000 W @ 4 Ω / 4 × 1800 W @ 8 Ω
• Bridge mode capable for ultra-high output configurations
• 96 kHz / 24-bit DSP processor with crossover, EQ, limiter, delay, and gain control
• Front-panel LCD display with rotary encoder for quick setup
• Ethernet network connectivity for remote control and monitoring
• Balanced XLR inputs and link outputs
• Speakon NL4 outputs for secure speaker connections
• Comprehensive protection: short circuit, DC, clip, thermal, and overload
• Lightweight, high-efficiency 2U chassis with variable-speed cooling fans
• Perfect for large venues, line arrays, and subwoofer systems

Specifications:

• Amplifier Type: Class-D, 4-channel with DSP
• Power Output:
  • 4 × 1800 W @ 8 Ω
  • 4 × 3000 W @ 4 Ω
  • 2 × 6000 W @ 8 Ω bridged
• Frequency Response: 20 Hz – 20 kHz (±0.3 dB)
• THD: < 0.05%
• Signal-to-Noise Ratio: > 110 dB
• Damping Factor: > 400
• DSP Processor: 96 kHz / 24-bit (48-bit accumulator)
• DSP Functions: Parametric EQ, crossover, limiter, delay, polarity, mute, gain
• Input Connectors: 4 × XLR balanced + 4 × link outputs
• Output Connectors: 4 × Speakon NL4
• Cooling: Dual variable-speed fans with front-to-rear airflow
• Protection: DC, clip, thermal, overload, short circuit