Stable down to 2 Ohms, DP-4120 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.
| 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 |
All prices are exclusive of GST and freight, which are automatically calculated on order confirmation and/or checkout. Items in stock are generally dispatched within 1-2 working days of order being confirmed. Standard MDR terms and conditions (available below) apply to all orders.