PSI Audio A21-M Studio Professional Studio Monitor

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PSI Audio A21-M Studio Professional Studio Monitor


Perfectly accurate mid field monitor
Redefine the way you produce!

It is an astonishing monitor used for the most demanding audio productions, allowing the user to be in full control of the sound image in all regards down to the finest details.


Product Description

The A21-M high power near / mid-field precision monitor covers a broad frequency spectrum, allowing the user to be in full control of their audio production.

Its unique and highly optimised assets make it perfect for near, mid-field and surround sound applications where ultimate precision is required.

The powerful bi-amplified output stages features the unique “AOI” output stages and has a protection circuit, which can be monitored via the red LED on the front panel.
The active crossover, with integrated “CPR”, gives the A21-M unprecedented impulse behavior – with excellent stereo imaging.

The crossover is also optimized for maximum phase coherence, projecting a wide horizontal and vertical ideal listening area.

The electronics are housed in a unit mechanically isolated from the speaker cabinet to avoid resonance at high sound pressure levels.

Designed to work in harmony with the full range of A series monitors the A21-M also makes ideal front speakers in a surround sound setup, or can be developed in to a more powerful system by adding the A225-M sub – thus protecting your investment.


Product Key Features

  • Very high SPL in a compact cabinet.
  • Flat frequency response.
  • Optimised directivity by phase coherency.
  • Class G low temperature amplifier stage.
  • Compatible with industry standard mounting systems.
  • Amplifier unit acoustically uncoupled from speaker cabinet.
  • Protection circuits with overload indicator.
  • Real balanced input.
  • Designed for stereo and multichannel monitoring.
  • Magnetically shielded for use close to video monitors.
  • AOI Technology.
  • ALG Technology.
  • CPR Technology.
  • PSC Technology.
  • 100% Analog – No DSP
  • Perfect stereo image
  • Handmade Tweeter
  • Class G/H Amplifiers
  • Individually calibrated
  • 5+1 years warranty
  • Handmade in Switzerland


Expand the bottom end

While the A21-M already reaches down to 38 Hz, its low end can be extended further by adding one or two subwoofers to the system. An A225-M or a pair of A125-Msubwoofers will unleash the full potential of the A21-M at any listening level, translating its accurate reproduction qualities into the lowest registers.

A21-M – The perfect compact 2-way studio monitor

Sitting comfortably in between typical midfield systems and traditional nearfield monitors, the A21-M packs the punch of the larger speakers while retaining a comfortably compact size. It performs well in both scenarios, making it the perfect solution for studios who require the power of a midfield system without having the space for one.




Additional information

Weight 15 kg
Dimensions 30 × 25 cm

Metal Black, Pure White, Studio Red