PSI Audio Sub A125-M Studio Black

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PSI Audio Sub A125-M Studio Black

PSI Audio

Sub A125-M Studio Black

4.7 Expert Rating

Product Info

Article Number: 461576
Model: Sub A125-M Studio Black
Category: Subwoofers
Price: $3,265.90

* Prices may vary. Check retailer for current pricing and availability.

This Sub A125-M is a seriously impressive little subwoofer. It's ideal for smaller studios or nearfield setups where you need tight, accurate bass without the rumble. The Class-G amp keeps things clean and controlled, making it a fantastic complement to PSI's monitors.

Product Description

  • PSI Audio Sub A125-M Studio Black
  • Active 8" Subwoofer
  • Magnetically shielded
  • Power output: 150 W (RMS)
  • Class-G amplifier
  • Frequency response: 28 - 90 Hz
  • max. SPL (1 m): 111 dB
  • 2 Inputs: XLR balanced
  • 2 Outputs: XLR balanced
  • Dimensions (W x H x D): 320 x 480 x 385 mm
  • Weight: 20.5 kg
  • Colour: Black
PROS
  • • Exceptional transient response for accurate bass reproduction.
  • • Class-G amplifier delivers clean power without excessive heat.
  • • Magnetically shielded design minimizes interference with sensitive studio equipment.
  • • Robust build quality; feels incredibly solid and well-engineered.
CONS
  • • Relatively compact size limits maximum low-frequency extension compared to larger subs.
  • • Price point positions it firmly in the premium-priced studio monitor category.
  • • Limited connectivity beyond balanced XLR, lacks some modern options.

Product Video

Key Features

Woofer Size 8 in
Power (Watts) 150
Frequency Range 28-90 Hz
Crossover Internally managed, designed for seamless integration with PSI Audio monitors
Connections 2 x XLR in, 2 x XLR out
Weight 20.5 kg

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Frequently Asked Questions

While designed to work seamlessly with PSI Audio monitors, the Sub A125-M's accurate response will generally integrate well with other brands, but careful level matching is essential.
28Hz is a lower extension than many subwoofers, but the A125-M's driver and amp work together to produce a surprisingly present low end, although it won’t shake the room like a larger, more powerful subwoofer.
Yes, the shielding is robust enough to prevent significant interference with older analog equipment, though maintaining some distance is always advisable for critical applications.

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