Biamp Voltera A300.4


Voltera® 4x 300 W Amplifier

  • 300W total, delivered by 4 channels
  • Half-rack size for flexible placement
  • Each channel supports 4 ohm, 8 ohm, 70V, or 100V operation
  • Double the power (up to 300W) available on any channel
  • Includes accessories for rack, under-table, wall, and ceiling mounting


Availability: On backorder


The Voltera A 300.4 stands as a compact four-channel power amplifier, occupying half a rack space while delivering a robust total output of 300 watts. Each of its channels offers versatility, catering to various configurations such as 4 ohm, 8 ohm, 70 V, or 100 V, with individual power delivery of 75 watts per channel. Additionally, power sharing capability permits any channel to deliver up to 150 watts.

Key features:

  • Total output power of 300 watts
  • Four channels for diverse connectivity
  • Versatile output channel design, supporting 100 V, 70 V, 8 ohm, or 4 ohm per channel
  • Each channel capable of driving up to 150 watts, providing twice the symmetric power
  • Halfwidth design with included mounting accessories, enabling single or tandem mounting in 1 RU, or mounting in various locations such as under tables, on walls, behind screens/monitors, in ceilings, and on shelves in credenzas
  • Default 4 dBu input sensitivity for easy integration with any source
  • Manual per-channel configuration options, including mode switches for Lo/Hi-Z, high-pass filter, and gain trim options; gain trim can boost both the gain and power by up to 3dB
  • Thermally controlled internal fan supporting whisper mode for quiet operation
  • Includes Tesira processing blocks for applicable Biamp loudspeakers
  • Auto standby mode for energy efficiency
  • CE marked, UL listed, and RoHS compliant
  • Backed by Biamp Systems’ five-year warranty
  • Fully compliant with the US Trade Agreement Act (TAA)



Power Output.

4x 75 Watts @ 4 Ohms, 4x 75 Watts @ 8 Ohms, 75 Watts @ 100 V


100V Line, 4 Ohms, 8 Ohms

Line Inputs (Balanced)



2 Years

DSP for filters



Product Sheet

A&E Specifications


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