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Average Price: $2,699

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Based on price data from 1 merchant for "PSI Audio Sub A125-M". Prices shown reflect NEW condition. Tracking began Apr 19, 2026.

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Description

Unleash the full potential of your studio setup with the PSI Audio Sub A125-M. This compact yet powerful studio subwoofer is engineered to perfectly complement your existing PSI Audio monitors, seamlessly extending their bandwidth for a richer and more immersive audio experience. With its Adaptive Output Impedance (AOI) Technology, this subwoofer precisely tunes the damping rate for each frequency, ensuring pristine sound clarity and minimal distortion.

The Sub A125-M features a robust 225W Class-G amplifier, driving a 10-inch woofer that delivers a frequency response from 28 to 90 Hz, and max SPL of 111 dB. The innovative double-box MDF enclosure is designed with a built-in anti-resonance system, keeping vibrations at bay for an uncolored and artifact-free performance. Whether you're mixing stereo or multi-channel surround sound, the Sub A125-M has you covered with its balanced XLR inputs and outputs, and adjustable controls for tailoring the low-frequency response to your room's unique acoustics.

Additionally, the Compensated Phase Response (CPR) Technology ensures a consistent phase response, delivering a constant group delay that’s meticulously managed through analog processing. This means every note and nuance is captured with exceptional accuracy, making it an indispensable tool for professional audio engineers and music producers who demand the best.

Key Features:

  • 225W Class-G amplifier with 10" woofer
  • Frequency response: 28 - 90 Hz
  • Max SPL (1 m): 111 dB
  • Adaptive Output Impedance (AOI) Technology
  • Compensated Phase Response (CPR) Technology
  • Magnetically shielded design
  • True balanced XLR inputs and outputs
  • Built-in anti-resonance system in double-box MDF enclosure
  • Compatible with all PSI Audio monitors
  • Level/input sensitivity and "Roll-Off" control for room calibration

Owner's manual

PSI Audio Sub A125-M User Manual

Product specs

Available since February 2018
Components 1x 8"
Power 150 W
Frequency range 28 Hz – 90 Hz
Conectors 2x XLR
Measurements 320 x 480 x 385
Weight 20,5 kg

FAQs

What is the frequency range of the PSI Audio Sub A125-M?

The PSI Audio Sub A125-M has a frequency range of 28 Hz to 90 Hz, providing deep bass extension suitable for studio monitoring applications.

How powerful is the PSI Audio Sub A125-M subwoofer?

The PSI Audio Sub A125-M is equipped with a 150 W amplifier, offering ample power for accurate low-frequency reproduction in studio environments.

What are the connectivity options for the PSI Audio Sub A125-M?

The PSI Audio Sub A125-M features two XLR connectors, allowing for balanced input and output connections to integrate seamlessly into professional studio setups.

Is the PSI Audio Sub A125-M suitable for small studio spaces?

With its compact dimensions of 320 x 480 x 385 mm and a weight of 20.5 kg, the PSI Audio Sub A125-M is well-suited for small to medium-sized studio environments.

What size is the driver in the PSI Audio Sub A125-M subwoofer?

The PSI Audio Sub A125-M is equipped with a single 8-inch driver, designed to deliver precise and controlled low-frequency performance.

Reviews

Critic Reviews

PSI Audio: A17-M Monitors & A125-M Subwoofer | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.

tapeop.com

PSI Audio's A125-M subwoofer delivers an impressive balance of tight, controlled bass without sacrificing depth, transforming the listening experience into something quite remarkable. Its ability to smoothly integrate with the A17-M monitors showcases a thoughtful design that outperforms many competitors, particularly in revealing even the minutiae of poorly mixed tracks. However, this transparency can be a double-edged sword, as it may expose flaws in lesser recordings. While the craftsmanship and analog approach are commendable, a cautious buyer should consider their investment carefully, as the price point is significant. Ultimately, for those serious about audio fidelity, the A125-M is a worthy contender, although it may not suit everyone’s budget or taste in sound.

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