Audio amplifier

"Zenith 2500 is a 2-channel 1250 W @ 4 Ohm professional audio amplifier, with switching power supply, built in a 2-rack-unit metal enclosure. It has balanced inputs in XLR3 format and outputs with XLN4 connectors. It has selectors for input sensitivity and operating mode. It also has protection systems against short circuit, temperature, DC, VHF and constant high frequency signal. The front panel has a power switch, independent volume controls for each channel, and power, signal, clip and protection indicators.",


  • Stereo / Bridge / Parallel modes.
  • Volume control and level meter.
  • Signal, clip and protection indicator LEDs.
  • 2 19-inch rack units.

Technical Data

ModelZENITH 2500
TypeClass D. Switching source
No. Chanels2
W/Ch @ 8 Ohm700 W
W/Ch @ 4 Ohm1250 W
W Bridge @ 8 Ohm2500 W
Frequency Range20 Hz - 20 KHz
THD+N<0.15 %
S/N Rate>100 dB
Damping Factor>500
Gain39.7 dB
Input Impedance20 KOhm (balanced) / 10 KOhm (unbalanced)
Input Sensitvity0.775 V / 1 V / 32 dB
ConnectionsPower: Powercon; Signal: XLR3 for input and output; AMP: NL4
ProtectionsSoft start, VHF, DC, Overload, Clip, Limiting, Short-circuit, Over-temperature, Progressive volume
RefrigerationFans Air flow from front to rear
Power supplyAC 100-240 V, 50/60 Hz
Consumption1100 W
Dimensions483 x 88 x 305.5 mm
Weight8 Kg