Stable down to 2 Ohms, the Wharfedale Pro DP-4120 Amplifier is a 4-channel amplifier from our DP Series, designed for professional live sound and fixed installations where power, flexibility and efficiency are essential. Delivering 1200 W per channel at 8 Ω, 2040 W at 4 Ω, and up to 6936 W bridged at 4 Ω, the DP-4120 offers impressive output across multiple configurations. Its advanced Class D topology and switch-mode power supply ensure maximum efficiency, low distortion and dependable performance under heavy load. Supporting both 70 V and 100 V Hi-Z operation, it’s ideal for large distributed systems or complex multi-zone installations. Despite its impressive power output, DP-4120 remains lightweight and compact for easy transport and integration. Reliable, efficient and versatile, it’s a professional-grade amplifier built for real-world demands. Specification Value Amp Channels 4 Topology Class D Stable at 2 Ohms Yes 8Ω 4 x 1200 W 4Ω 4 x 2040 W 2Ω 4 x 3468 W 16Ω Bridged 2 x 2400 W 8Ω Bridged 2 x 4080 W 4Ω Bridged 2 x 6936 W Input Connectors 4 x XLR Socket Output Connectors 4 x 4 Pole Speaker Connector Mode Switch Mono / Bridge / Clip Hi-Z Yes 100V Hi-Z 4 x 2500 W 70V Hi-Z 4 x 2400 W Slew Rate >50 V / us Output RMS Voltage (V) 100 V Maximum input Level 21 dBu (8.7 Vrms) Default Gain (Rated power, 1 kHz) (dB) 35 dB Gain (Rated Power, 1 kHz) 41 / 38 / 35 / 32 dB THD N Typical : 0.05% (10% Rated Power, 8 Ω) Crosstalk ≥90 dB (20 Hz-1 kHz, Below Rated Power, 8 Ω) Amplifier Frequency Response Typical : 0,-0.5 dB (10% Rated Power, 20 Hz-20 kHz, 8 Ω) Amplifier Input Impedance 20 kΩ (Balanced), 10 kΩ (Unbalanced) Damping Factor ≥1000 (20 Hz-200 Hz, 8 Ω) SNR ≥105 dB (Default Gain, A Weighted, 20 Hz-20 kHz, 8 Ω) Protection Power under-voltage protection, Amplifier output DC protection, Thermal Protection, Temperature Power Control, Overload Power Control Main Power 90~260 V AC,50/60 Hz Included Accessory User Manual Unpacked – Height (mm) 45 Unpacked – Width Front (mm) 483 Unpacked – Width Rear (mm) 483 Unpacked – Depth (mm) 465 Packed – Height (mm) 135 Packed – Width Front (mm) 585 Packed – Width Rear (mm) 585 Packed – Depth (mm) 585 Weight – Nett (Kg) 12.2 Weight – Gross (Kg) 14.9 DP-4120 – Wharfedale Pro
