Wharfedale Power Amplifier DP series 4065 – Slave Engine
Wharfedale Pro DP-4065 Four-Channel Class D Power Amplifier
The Wharfedale Pro DP-4065 is a lightweight, high-power, four-channel Class D power amplifier designed for professional live sound reinforcement and fixed installations. Featuring an advanced switch-mode power supply and efficient Class D topology, it delivers high output power with low distortion while remaining stable down to 2 ohms. With stereo, bridge, and mono operating modes, the DP-4065 offers flexible configuration for touring rigs, professional sound systems, and complex installation environments. Its compact 1U rack-mount design provides powerful amplification while saving valuable rack space.
Description
The Wharfedale Pro DP-4065 is a lightweight, high-power, four-channel Class D power amplifier designed for professional live sound reinforcement and fixed installations. Featuring an advanced switch-mode power supply and efficient Class D topology, it delivers high output power with low distortion while remaining stable down to 2 ohms. With stereo, bridge, and mono operating modes, the DP-4065 offers flexible configuration for touring rigs, professional sound systems, and complex installation environments. Its compact 1U rack-mount design provides powerful amplification while saving valuable rack space.
Key features
Four-Channel Configuration
Provides four discrete amplifier channels for powering multiple speakers or sound system components.
Class D Amplifier Topology
Uses an efficient Class D design to deliver high output power with low distortion.
Advanced Switch-Mode Power Supply
Features an advanced switch-mode power supply designed to support efficient, high-power performance.
High Power Output
Delivers 4 × 650W at 8 ohms and 4 × 1100W at 4 ohms in stereo operation, with high-power bridged output options.
Multiple Operating Modes
Supports stereo, bridge, and mono modes for flexible system configuration.
2-Ohm Stability
Designed to remain stable down to 2 ohms.
Advanced Protection Circuitry
Includes thermal, over-current, output DC, and short-circuit protection, as well as power on/off muting.
Variable-Speed Cooling Fans
Ultra-quiet variable-speed fans help maintain operating temperature while keeping noise low when the amplifier is not under heavy load.
Professional XLR Inputs
Features balanced female XLR inputs with a maximum input level of +22dBu for integration with professional audio equipment.
speakON-Compatible Outputs
Provides speakON-compatible speaker output connections.
Compact 1U Rack Design
Its 1U rack-mount format provides high-power amplification in a compact installation or touring-rack footprint.
Front-Panel Monitoring
Power, protect, signal, and limiter indicators help sound engineers monitor amplifier operation.
Flexible Gain Control
Features four front-panel channel gain knobs and selectable input sensitivity settings.
Why choose the WHARFEDALE-PRO-DP-4065?
- Professional Live Sound ReinforcementIts four channels, high power output, and flexible operating modes make it suitable for professional live sound systems.
- Fixed Sound InstallationsThe compact rack-mount design, flexible configuration options, and protection circuitry support permanent audio installations.
- Touring Sound SystemsIts lightweight construction and high output power make it suitable for portable touring rigs.
- Subwoofer AmplificationIts bridged operating mode provides up to 2 × 2200W at 8 ohms for high-power speaker applications, including compatible subwoofer systems.
- Multi-Speaker SystemsThe four-channel configuration allows multiple speakers or system zones to be powered from a single amplifier.
Technical specifications
- Model
- DP-4065
- Amplifier Type
- Four-channel power amplifier
- Amplifier Topology
- Class D
- Power Output - Stereo (8Ω)
- 4 × 650W
- Power Output - Stereo (4Ω)
- 4 × 1100W
- Power Output - Bridged Mono (16Ω)
- 2 × 1300W
- Power Output - Bridged Mono (8Ω)
- 2 × 2200W
- Minimum Load Stability
- Stable down to 2 ohms
- Input Sensitivity
- Selectable 38 / 35 / 32 / 29dB
- Balanced XLR Input Impedance
- 20KΩ
- Maximum Input Level
- +22dBu (9.7Vrms)
- Voltage Gain
- 38dB
- Slew Rate
- >50V/μs
- Crosstalk
- <-90dB
- Signal-to-Noise Ratio
- >107dB
- Distortion (1W)
- <0.02%
- Frequency Response (±1dB @ 8Ω)
- 20Hz–20kHz
- Frequency Response (±3dB @ 8Ω)
- 20Hz–30kHz
- Damping Factor
- >5000
- Signal Inputs
- Female XLR jacks
- Speaker Outputs
- speakON-compatible connectors
- Front-Panel Controls
- AC switch and 4 channel gain knobs
- Rear-Panel Controls
- Parallel, Stereo and Bridge mode switch; Limiter switch
- Protection Circuits
- Thermal, over-current, output DC, and output short-circuit protection
- Indicators
- Power, Protect, Signal, Limiter
- Cooling System
- Variable-speed fans
- AC Power Supply
- 90–260VAC, 50–60Hz
- Dimensions (H × W × D)
- 44 × 485 × 370mm
- Net Weight
- 9.18kg
- Gross Weight
- 11.26kg
- Rack Size
- 1U