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Wharfedale PRO DP-4065F Mk 2, 4-channel PA-Amplifier with DSP and FIR-Filters [4x650 W (8 Ohms) / 4x1100 W (4 Ohms) / 4x1870 W (2 Ohms) / 2 x 2200 W (8 Ohm Bridged) / 2 x 3740 W (4 Ohm Bridged)]OverviewDP-4065F Mk IIStable down to 2 Ohms and with huge Class D power, the DP-4065F is a 4-channel amplifier from our DP-F Series, combining the power and efficiency of Class D amplification with upgraded DSP functionality for professional live sound and installation applications.Delivering 650 W per channel at 8 Ω, 1100 W at 4 Ω and up to 3740 W bridged at 4 Ω, it offers excellent flexibility and headroom for multi-channel systems. The latest DP-F models include enhanced DSP controller software, increased internal processing capability, an IPS colour display, locking XLR connectors and AES/EBU digital inputs — providing precise system management and superior connectivity.Our DSP Controller software provides powerful functionality for both DP-F and DP-N Series amplifiers. It offers amp grouping, precise EQ and level control, and access to a comprehensive preset library. With built-in SMAART API compatibility, it integrates seamlessly with leading system analysis tools for fast, efficient tuning and optimisation.. Available to download below.Supporting 70 V Hi-Z operation, DP-4065F is well suited for distributed installations as well as compact touring setups. Lightweight, reliable and efficient, it brings next-generation performance and control to the trusted Wharfedale Pro DP platform. DP-F SeriesHuge Class D power in a 1U rack4 discrete amplification channelsInternal DSP and computer controlStable down to 2 Ω. Drive multiple speakers or line array elementsFIR filtering with 512 taps90 V to 260 V AC working voltageEthernet Network Connectors x 270 V / 100 V compatible models TAKE CONTROLHarnessing the power of the internal DSPThe supplied editing software gives a practical overview of all system parameters and DSP features within the DP-F amplifier.It is simple to monitor and edit the DP-F remotely.FIR FILTERSFIR Filtering gives Independent control of magnitude and phase. More detailed equalisation.Optimization of frequency and power response.STABLE DOWN TO 2 OHMSHuge output power and stable down to 2 OhmsThe power output figures of DP-F series are staggering. The rated power outputs are measured at THD = 1%, continuous sinusoidal 1 KHz with each channel working simultaneously. DP-F amps are also stable down to 2 Ohms. This allows for multiple 8 Ω or 16 Ω speakers to be driven with extreme power.ETHERNET X 2Control is via the Ethernet network connectors on the front.With the supplied control software all parameters can be edited and all performance functions can be remotely monitored.BUILD YOUR SYSTEMDP-F and DP-N amps are made for your big line array!With just 3 pcs of DP-4100F or DP-4100N……massive systems can be created.70 V / 100 V READYIn this high impedance system example, the DP-2200F can drive up to 100 pcs of i8T loudspeakers.This configuration can also drive LESS than 100 pcs of i8T. Any number between 2 or 100 !
When switched to 100 V mode, DP-N (F) models have Peak Limiter and RMS Limiters set automatically. Only the HPF needs setting in the EQ section.Important : Before connecting the load to the amplifier, first measure the line impedance with an impedance bridge (a simple low-cost unit is adequate). If the load impedance is too low, the power amplifier will be loaded down and may overheat or distort. It’s a myth that you can connect an unlimited number of speakers to a 100 V or 70 V line. If the load impedance measures it’s lower than the amplifier minimum operative impedance, re-tap all the speakers at the next-lower power tap. This raises the load impedance. Measure again. SPECIFICATIONSAmp Channels4TopologyClass DStable at 2 OhmsYes8Ω4 x 650 W4Ω4 x 1100 W2Ω4 x 1870 W16Ω Bridged2 x 1300 W8Ω Bridged2 x 2200 W4Ω Bridged2 x 3740 WControlDSP Controller Software / Front PanelInput Connectors4 x XLR Socket, AES/EBUOutput Connectors4 x 4 Pole Speaker ConnectorSoftware ControlYesMode SwitchSoftware and Front PanelDSP FeaturesDSP with FIRHi-ZYes70V Hi-Z4 x 1100 WInput Gain/Sensitivity Switch35 dBSlew Rate>50 V / usOutput RMS Voltage (V)72.1 VMaximum input Level21 dBu (8.7 Vrms)Default Gain (Rated power, 1 kHz) (dB)19 dBGain (Rated Power, 1 kHz)35 dBTHD NTypical : 0.05% (10% Rated Power, 8 Ω)Crosstalk≥90 dB (20 Hz-1 kHz, Below Rated Power, 8 Ω)Amplifier Frequency ResponseTypical : 0,-0.5 dB (10% Rated Power, 20 Hz-20 kHz, 8 Ω)Amplifier Input Impedance20 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)ProtectionPower under-voltage protection, Amplifier output DC protection, Thermal Protection, Temperature Power Control, Overload Power ControlMain Power90~260 V AC,50/60 HzIncluded AccessoryAC Cable, User ManualUnpacked - Height (mm)45Unpacked - Width Front (mm)483Unpacked - Width Rear (mm)483Unpacked - Depth (mm)376Packed - Height (mm)125Packed - Width Front (mm)510Packed - Width Rear (mm)510Packed - Depth (mm)565Weight - Nett (kg)9.1Weight - Gross (kg)10.6