Class H-Power Amplifier


  • 4 channels
  • 4 x 1670W @ 4 Ω



4 x 1670 Watt @ 4 ohm / 4 x 1220 Watt @ 8 ohm / 2 x 4000 Watt @ 8 ohm Bridge

1850 W


Frequency response, 4 Ohm load 20kHz, 4 Ohms, +/- 1dB

8 kg (17.63 pounds)

The Tecnare PA Series of power amplifier represent a new era in affordable, high quality performance and reliability with the latest power amplifications technologies. The line consists of five models in a uniform, rugged 2U chassis, the sound quality and durability of class H designs with the innovation of the latest power devices available.

The two models of four channels in the series are the PA4.450 band PA4.1500.

PA4.1500 is a 4 channel power amplifier that delivers up to 4 x 1670 W RMS @ 4  (2×4000 W RMS bridged @ 8 ), weighing just 8 kg.

It features independent gain knobs, signal clip and fault LEDs, stereo XLR input, 1.4 V to 0.775 V input sensitivity switch, mono – parallel – bridge switch, speakON® outputs.

Moreover, it is protected against shorts and open circuits. Thanks to its high efficient heat sinks and high speed DC fans, the PA4.1500 can withstand the hardest heat conditions ensuring great reliability.







  • Easy to configure in stereo / mono / bridge modes
  • Two unit 19″ rack.
  • Front panel signal / clip / protect LED indicators
  • Extensive protective circuits ensure high reliability and operating safety
  • XLR-3 input connectors / SPEAKON® NL4 output connectors


  • Small and medium size PA systems
  • Disco, club and DJ sound
  • TECNARE systems
  • Public Spaces
  • Mobile and fixed installation














Number of Channels     4
Power Output, all channels driven (RMS) 4 x 1670 Watt @ 4 ohm / 4 x 1220 Watt @ 8 ohm / 2 x 4000 Watt @ 8 ohm Bridge
Audio Performance  
Voltage Gain 37.8 dB
Frequency response, 4 Ohm load <20Hz to >20kHz, 4 Ohms, +/- 1dB
Interchannel crosstalk, worst case combination better than ‐75dBr at 1kHz and ‐58dBr at 20kHz
Total harmonic distortion, THD <0.5%, 20Hz-20kHz
Power Supply  
Operation voltage 180-250 V (50/60 Hz)
Power consumption 1850 W
Audio Input Analog: 4x female NeutrikTM XLR-3
Amplifiers output 4x Neutrik SpeakonTM NL4 connectors
Protection Protection against short circuits, no-load, on/off muting, RF interference.
Ventilation Flow-through ventilation front to back
Enclosure  Standard 19” 2U (88mm), 331mm (13.03”)
Net Weight  8 kg (17.63 pounds)




Small and medium size PA systems


Disco, club and DJ sound


Public Spaces


Mobile and fixed installation


PA 4.450