The DI-4.2000 is a digital 4-channel amplifier Made in Germany. The DSP amplifiers developed and manufactured by Fohhn offer high power density and excellent sound. The amplifiers are designed for mobile sound systems and fixed installation. They provide all the essential features and almost limitless connectivity in terms of audio inputs. Whether AES/EBU, Dante or Analogue – they offer maximum flexibility thanks to exchangeable connection modules. Corresponding speaker presets ensure optimum performance and reliability.
Main features
Output power: 4 × 2000 W / 4 ohms / 100 V / 70 V
Can be remotely operated and controlled over Fohhn Net
Extensive DSP, controllable in real time with the Fohhn Audio Soft
Q-SYS Plugin available
Maintains peak power over several seconds
Temperature controlled, low noise fan
Auto Power Save for minimum standby power requirements
Installation size: 2 U / 19"
Light weight, only 9.9 kg
DI-4.2000
High performance system amplifier for mobile and fixed
installation, 4 × 2000 W, 2 U, 19"
Technical data
dimensions (w × h × d) 2 U / 19", 485 × 89 × 425 mm
weight 9.9 kg
amplifier technology Class D
amplifier outputs 4
DSP routing (matrix) 4 × 4
frequency response 20 Hz – 20 kHz
signal/noise ratio >100 dB/A
THD+N 0.15 % (1 kHz, 8 ohms, 3 dB below clipping)
dynamic range >120 dB
password protection yes
auto power save adjustable from 1 s to 12 h, or never active
protective circuit over voltage protection, over current protection, over temperature protection, short-circuit
protection, DC protection, power on delay, soft start and inrush current limit
power supply 100 – 240 V AC 50/60 Hz, universal power supply with Power Factor Correction (PFC)
power consumption Maximum (RMS) 1800 W, idle state 90 W, auto power save 10 W, standby 5 W, power on/off
switch / remote power off 2 W
heat dissipation Maximal 300 W, 1020 BTU/h, 258 kcal/h
temperature range 0 – 40 °C
cooling temperature-controlled fan
output power 4 × 2000 W / 4 ohms / 100 V / 70 V, 4 × 1000 W / 8 ohms (1 kHz, THD+N <1 %)
minimum impedance 4 ohms
input channels 4