Wharfedale Pro DP-4120

Suitable for professional live sound reinforcement or fixed installations, the top of the range 4-channel DP-4120 delivers extreme power from a light weight design. Its advanced switch mode power supply and super-efficient Class D topology delivers high power with low distortion. With 4 discrete channels and multiple operating modes its simple to configure into the most complex of installations or touring rigs.

Key Features

Top of the DP series lineup
Super light weight – Only 12.3kg
4 channel configuration
Ultra-quiet variable speed fans
Advanced protection circuitry
Power Output 8Ω : 4 x 1200w
4 Ohm 4 x 2040 Watts
2 Ohm 4 x 3468 Watts

16 Ohm Bridged 2 x 2400 Watts
8 Ohm Bridged 2 x 4080 Watts
4 Ohm Bridged 2 x 6936 Watts
100 V Hi-Z : 4 x 2500 Watts
70 V Hi-Z : 4 x 2400 Watts
2 x 4080w@8Ω BTL.
Class D topology

DP SERIES

LIGHT ON WEIGHT. HEAVY ON POWER

Powerful Class D multi-channel amplifiers – stable down to 2 ohms…..

STABLE DOWN TO 2 OHMS

Stable down to 2 Ohms (*except DP-4030) and with huge power output.

The power output figures of DP series are staggering. The rated power outputs are measured at THD = 1%, continuous sinusoidal 1 KHz with each channel working simultaneously.

This allows for multiple 8 Ω or 16 Ω speakers to be driven with extreme power.

Power Factor Correction

Lets make it easy…. and call it PFC instead!

PFC, combined with the Switching mode power supplies inside DP series amps, increases the amplifier efficiency and regulates to ensure smooth power delivery even with huge fluctuations in the AC supply.

In the real world, it makes a big difference to amplifier performance and stability.

PROTECTION

Internally, a full suite of protection circuitry includes thermal, over-current, DC, short circuit protect and power on/off mute. This level of protection ensures long term system reliability and peace of mind should the worst ever happen. Front panel LEDs also keep the sound engineer well informed with fault, peak and signal LEDs. The variable speed fans keep the amplifier rack quiet when not in use – and cool while its running at high volume.

MODES AND SWITCHES

The DP Series feature stereo, bridge and mono modes. Use in bridge mode with an individual high-powered subwoofer or use a single DP to power your whole sound system equally. Mono mode saves external cabling by splitting a single input to feed both channels of the amplifier. In addition, gains can easily be controlled by the rear panel gain switch. This allows for installation into almost any rig or venue. The DP-4120 features XLR inputs with a maximum input level of +22dBu allowing for integration with any typical professional audio system.

DESIGN

The 1U design allows for powerful systems to be configured in extremely confined spaces. In the tour rack or in the amp room, DP delivers reliable power from a small box. Lightweight, powerful and portable. Its that simple!

SPECIFICATIONS

Model Name	DP-4120
Power Output
Stereo power output 8Ω x 2	4 x 1200w
4Ω x 2	4 x 2040w
Bridged mono output 16Ω	2 x 2400w
Bridged mono output 8Ω	2 x 4080w
Input sensitivity & Impedance
Sensitivity	selectable 41/38/35/32dB
Balanced XLR input	20KΩ
Max input level	22dBu (9.7Vrms)
Voltage gain	41dB
Slew rate	>50V / μs
Crosstalk	<-90dB
S/N	>110dB
Distortion (1W)	<0.02%
Frequency response
+/-1dB @ 8Ω	20Hz – 20kHz
+/-3dB @ 8Ω	20Hz – 30kHz
Damping factor	>5000
Topology	Class D
Connectors
Signal input	Female XLR jacks
Power output	speakON compatible
Controls
Front panel	AC Switch, 4 x channel gain knobs
Rear panel	Parallel, Stereo & Bridge mode switch, Limiter switch
Protections	Thermal, Over-current, Output DC, Output short protect.
Indicators	Power, Protect, Signal, Limiter
Cooling	Variable speed fan
AC Power	90 ~ 260VAC, 50 ~ 60Hz
Dimensions	44 * 485 * 465mm
Weight (Net)	12.3kg
Weight (Gross)	14.9kg

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