2 X 4000W @4ohm Power Amplifier with Touch Screen

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MDA2-4000PS is a highly flexible, powerful and intelligent 2-Channel power amplifier delivering up to a total of 2x4000W @ 8 ohms, or able to drive 70V/100V Constant Voltage Lines. Designed to meet the most demanding portable and fixed installation sound systems, it provides a full set of value added features such as high output power, efficient cooling system, on board DSP and USB/Ethernet for monitoring and control via PC software.

MDA2-4000PS includes a highly efficient Switch Mode Power Supply, which provides power to the output stages. The 2 output stages use the well-proven Class D module-full bandwith PWM modulator obtaining ultra low distortion, high efficiency and also equipped with a full set of circuit protections. Furthermore the Clip/Limiter function provides output monitoring to prevent speaker damage with gentle gain reduction at clip threshold, in addition to the efficient heat dissipation system and Over-Heat protection which themselves ensure uncompromised reliability.

MDA2-4000PS is more than just an amplifier. It is also a capable and sophisticated loudspeaker processor, thanks to its powerful MARANI® DSP running 96 kHz / 24 bit [ 96 bits precision for the internal intermediate processes] and high performance 24bit AD/DA Converters. It offers 2 channels of slope up to 48dB/Oct IIR HP/LP crossover filters, or up to 512 taps FIR filters[FIR coefficients can be imported as .txt file from external application] , RMS compressor, parametric Eqs , alignment delay and white/pink noise internal generator, everything needed to optimize a loudspeaker system.

Moreover, MDA2-4000PS allows a 12dB headroom process. User can also set the parameters, select input source, load presets, etc with the extraordinary touchscreen LCD in front panel. Apart from regular analog and digital source input, DANTE™ is also optional.

More Models available: 2x1500W@8ohm, 2x2500W@4ohm,3x1000W@4/8ohm,4x1000W@4/8ohm

Contact details

Marani Proaudio Srl

Via Vittorio Veneto N. 11
42022 Boretto RE


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Top-grade DSP Engine

12 band parametric equalization per input channel
4 band parametric equalization per output channel
Each band can be switched to Bell, Low/High Shelving variable Q
Warm Backup is available, by setting source priority  and activating "Autoswitch" function in PC Sw
FIR or IIR Filters for X-Over:
The X-Over can be implemented both by FIR filters or IIR HP/LP, selectable in the dedicated PC software
FIR: Crossover filter can be created by the user selecting from 256 up to 512 taps, the FIR type and the Out Band attenuation
        FIR Coefficients can be imported as .txt file from external applications
IIR: Crossover filter with slopes from 6 ~ 48 dB/Octave, including Butterworth, Bessel, Linkwitz-Riley and customized topologies
Each output channel is equipped with a precious Peak Limiter with selectable ratio, attack/release time
Adjustable Delay time up to 500.998ms for input channel, and 340.998ms for output channel
Each input channel includes a Pink/White noise internal generator, noise gate function, RMS compressor with variable knee, and powerful 12-band PEQ

Direct PC/Network Connection & Control

Front panel USB connector for direct PC communications
Ethernet interface for system setup, monitoring and control via manageable remote PC software
Front panel interactive touchscreen LCD display for parametric setting, input source selection, preset loading and so on
Simultaneous control up to 32 units via PC software
50 Preset Selection

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