Eleven Dimensions Media, LLC
  • ABOUT
  • PRODUCTS
    • Auro 3D Audio
    • BOME >
      • BOME Network Pro
      • MIDI Translator Pro
      • BOME Box
    • ESI Audiotechnik >
      • USB Audio Interfaces >
        • UGM192
        • MAYA22 USB
        • MAYA44 USB+
        • U24 XL
        • Gigaport eX
        • U22 XT
        • U22 XT cosMik Set
        • U86 XT
        • U108 PRE
        • U168 XT
        • Dr. DAC nano
      • Network Audio Interfaces >
        • planet22x
      • PCIe Audio Interfaces >
        • MAYA 44 eX
      • Mobile Accessories >
        • cosMik Lav
        • MIDI nTour CX
      • MIDI Interfaces >
        • MIDIMATE eX
        • M4U eX
        • M8U eX
      • Studio Accessories >
        • cosMik uCast
        • cosMik 10
        • eXtra 10
        • MoCo
      • Monitoring Speakers >
        • aktiv 05
        • unik 05+
        • unik 08+
        • aktiv 10s
    • LIVELOOP >
      • LIVELOOP
    • PEACH AUDIO >
      • CUBE 5
    • Ploytec >
      • PL2
      • AROMA
      • ONE.2
    • PSI Audio >
      • STUDIO MONITORS >
        • A14-M V3 Studio
        • A17-M
        • A21-M
        • A23-M
        • A25-M
        • A215-M
        • A214-M
        • A125-M
        • A225-M
      • ACTIVE BASS TRAPS >
        • AVAA C214
        • AVAA C20
        • AVAA TECHNOLOGY
      • Accessories >
        • R&B Router & Bass Management
        • Metal Grill & Brackets
        • Gig Bags
    • reProducer Audio Labs >
      • Epic 4 Nearfield Studio Monitor
      • Epic 5 Nearfield Studio Monitor
      • Epic 55 Midfield Studio Monitor
    • Teknosign >
      • BOX LINE >
        • PEQ – Parametric Equalizer
        • MVC – Vari-Mu Compressor
        • DSMP – Dual Solid State Mic Preamp
        • SSMP – Solid State Mic Preamp
        • RPS – BOX Line Power Supply
        • PPS – 48 Volt Power Supply
        • SAM – Sum Adjust Mini
        • DIA – Dual Active DI Box
        • DIP – Dual Passive DI Box
        • DPS – Dual Mic Splitter
        • HPA – Headphone Amp
        • HUB – High Power USB Hub
        • MNB – Mini AC Line Conditioner (USA)
        • MNB – Mini AC Line Conditioner (EU)
      • Summing Amplifiers >
        • Sum Adjust Classic
      • Automixer
      • Patchbays & Adapters
    • Ultramixer
    • Zynaptiq >
      • Zynaptiq Software Bundles >
        • CREATE Bundle
        • REPAIR Bundle
        • MASTER Bundle
        • ZAP Bundle IV
        • The Mac Audio Apps Bundle >
          • TRIUMPH
          • LOOP EDITOR
          • MYRIAD
          • SPECTRE
      • INTENSITY 2
      • BALANCE >
        • BALANCE - Mobile
      • PUNCH
      • PITCHSHIFT
      • PITCHMAP::Colors
      • ORANGE VOCODER nano
      • ORANGE VOCODER IV
      • ADAPTIVERB
      • WORMHOLE
      • MORPH 3
      • UNMIX::DRUMS
      • UNVEIL
      • UNFILTER
      • UNCHIRP
      • PITCHMAP
      • TIME FACTORY II
  • COMMUNITY
    • Product Reviews
  • BUY
Picture

A225-M

Full-Range Accurate Subwoofer

For Those Who Want More than Just “Some Bass”!

The A225-M is the ideal addition to any PSI Audio monitoring system, granting the same trademark fidelity to the lowest frequencies – precision down to 24 Hz!
BUY NOW
Picture

Main Features

  • Power: 480 W
  • Frequency Range: 24 Hz – 100 Hz
  • Peak max. SPL@1m: 115 dB
  • Typical listening distance: From 1.5 m
  • 100% Analog – No DSP
  • Flat frequency response
  • Coherent to each monitor
  • Class G/H Amplifiers
  • Individually calibrated
  • 5+1 years warranty
  • Handmade in Switzerland
Picture

Power:

480 W
Picture

Frequency Range:

24 Hz – 100 Hz
Picture

Peak Max. SPL@1m:

115 dB
Picture

Listening Distance:

From 1.5 m

The Perfect Low End in Your Studio

Given enough power, going low with a speaker is not too much of a challenge. Reproducing low frequencies with precision, however, is a different matter entirely. The PSI Audio Sub A225-M brings a whole new dimension of accuracy to the low end.

PSI Audio has translated its general approach of unaltered, maximum fidelity reproduction to the bass spectrum, allowing for a riveting experience that will change the way you work. Taking the guesswork out of the bass management, the A225-M grants an accurate representation of what is really going on “down below”. Take control and create a sonic wonderland that reaches throughout the entire spectrum with no insecurities and no need to double-check your work on a different system. Get a subwoofer you can trust.
Picture
"The real trick is to simultaneously provide a pure neutral processed signal and bypass all the obstacles on the road to obtain it.
PSI Audio staff challenged laws of physics and mechanical constraints. Engineers from the company PSI Audio mastered this art."


– Estrada iStudio!
Poland

Add Control On Your Surround Setup Or On Low Frequencies

If you use a surround system or are working with several different speakers, our R&B – Router & Bass management System – could save you a lot of time.

R&B is an 8 in / 8 out transparent matrix that will fit into A225-M and help you selecting the speakers you are working with.

Please note that R&B is an option for the Sub A225-M and is not included as standard.
Picture

A Subwoofer for the Whole Range

The Sub A225-M is the perfect addition to any PSI Audio speaker setup. No matter if you are working with our compact A17-M or the large A25-M, the A225-M will seamlessly integrate with all our monitors. Simply engage the bass roll-off on the satellites and enjoy a full-range system that extends down to 24 Hz with all the linearity in frequency and phase that you are used to from our monitor speakers.
Picture

Technical Data

Item
Value
Potential Peak Power
480 W
Continuous Max SPL @1m
108 dB
Short Term Nax. SPL @1m           
111 dB
Peak Max. SPL @1m
115 dB
Signal to Noise Ratio (S/N)
102 dBA
Bandwidth at -6dB
24-100 Hz
SPL Tolerances
±2.0 dB
Phase Tolerances
± 45 (300 Hz – 500 Hz) deg
System
1 way
Woofer ext. diam.
293 mm / 11.4"
W. diaphragm diam.
213 mm / 8.3"
Dimensions W x H x D
320 x 700 x 500 mm / 12.6 x 27.7 x 19.9 in
Net Weight
35.6 Kgs / 78.4 Lbs
Input Connectors
2 x XLR F2 x XLR M
Warranty
5 (+1) years
Download Tech Datasheet
Download User Manual

Flat Response

Each speaker is individually calibrated in our anechoic chamber and is delivered with its frequency response sheet. A proof of quality.
Picture
Picture

Sub A225-M – Add Low End to Our Whole Range of Studio Monitors

The Sub A225-M is the perfect addition to any PSI Audio speaker setup. No matter if you are working with our compact A17-M or the large A25-M, the A225-M will seamlessly integrate with all our monitors. Simply engage the bass roll-off on the satellites and enjoy a full-range system that extends down to 24 Hz with all the linearity in frequency and phase that you are used to from our monitor speakers.
Picture

A14-M Studio

Picture

A14-M Broadcast

Picture

A17-M

Picture

A21-M

Picture

A23-M

Picture

A25-M

Picture

A215-M

Picture

A214-M

Picture

A125-M

Picture

A225-M

Click on a picture to choose a product from our coherent range of monitors.

Sub A225-M – Who is it For?

Designed to complement our large three-way systems, the A225-M packs a lot of power to support full-range listening without compromise. It can also extend a smaller system, of course, or even mixed setups like in surround applications as the LFE. The A225-M is at home wherever low frequencies need to be monitored reliably, like in mixing, mastering and post-production.
Picture

Handmade in Switzerland

All our products are handcrafted in Switzerland with passion and attention to detail.

Manufacturing by hand allows to match and adjust components so that tolerances cancel each other out instead of building up, as is often the case in industrial production.
Picture

Choose Your Color

Choose between Studio Red, Metal Black, and Pure White. Cabinets are manufactured with great care and attention from the choice of the wood all the way through to the paintwork.
Picture

Options

Picture

Active Bass Traps

Effortlessly remove room modes from your studio
MORE INFO
BUY Now
Get a Demo
Picture
Hi There!
Newsletter
Contact Us
Community
Products
11D Brands
Product Reviews
Where to Buy?


Company
Privacy
About

Resources
Graphics
Technical Support

 © 2025 Eleven Dimensions Media, LLC. All rights reserved.
  • ABOUT
  • PRODUCTS
    • Auro 3D Audio
    • BOME >
      • BOME Network Pro
      • MIDI Translator Pro
      • BOME Box
    • ESI Audiotechnik >
      • USB Audio Interfaces >
        • UGM192
        • MAYA22 USB
        • MAYA44 USB+
        • U24 XL
        • Gigaport eX
        • U22 XT
        • U22 XT cosMik Set
        • U86 XT
        • U108 PRE
        • U168 XT
        • Dr. DAC nano
      • Network Audio Interfaces >
        • planet22x
      • PCIe Audio Interfaces >
        • MAYA 44 eX
      • Mobile Accessories >
        • cosMik Lav
        • MIDI nTour CX
      • MIDI Interfaces >
        • MIDIMATE eX
        • M4U eX
        • M8U eX
      • Studio Accessories >
        • cosMik uCast
        • cosMik 10
        • eXtra 10
        • MoCo
      • Monitoring Speakers >
        • aktiv 05
        • unik 05+
        • unik 08+
        • aktiv 10s
    • LIVELOOP >
      • LIVELOOP
    • PEACH AUDIO >
      • CUBE 5
    • Ploytec >
      • PL2
      • AROMA
      • ONE.2
    • PSI Audio >
      • STUDIO MONITORS >
        • A14-M V3 Studio
        • A17-M
        • A21-M
        • A23-M
        • A25-M
        • A215-M
        • A214-M
        • A125-M
        • A225-M
      • ACTIVE BASS TRAPS >
        • AVAA C214
        • AVAA C20
        • AVAA TECHNOLOGY
      • Accessories >
        • R&B Router & Bass Management
        • Metal Grill & Brackets
        • Gig Bags
    • reProducer Audio Labs >
      • Epic 4 Nearfield Studio Monitor
      • Epic 5 Nearfield Studio Monitor
      • Epic 55 Midfield Studio Monitor
    • Teknosign >
      • BOX LINE >
        • PEQ – Parametric Equalizer
        • MVC – Vari-Mu Compressor
        • DSMP – Dual Solid State Mic Preamp
        • SSMP – Solid State Mic Preamp
        • RPS – BOX Line Power Supply
        • PPS – 48 Volt Power Supply
        • SAM – Sum Adjust Mini
        • DIA – Dual Active DI Box
        • DIP – Dual Passive DI Box
        • DPS – Dual Mic Splitter
        • HPA – Headphone Amp
        • HUB – High Power USB Hub
        • MNB – Mini AC Line Conditioner (USA)
        • MNB – Mini AC Line Conditioner (EU)
      • Summing Amplifiers >
        • Sum Adjust Classic
      • Automixer
      • Patchbays & Adapters
    • Ultramixer
    • Zynaptiq >
      • Zynaptiq Software Bundles >
        • CREATE Bundle
        • REPAIR Bundle
        • MASTER Bundle
        • ZAP Bundle IV
        • The Mac Audio Apps Bundle >
          • TRIUMPH
          • LOOP EDITOR
          • MYRIAD
          • SPECTRE
      • INTENSITY 2
      • BALANCE >
        • BALANCE - Mobile
      • PUNCH
      • PITCHSHIFT
      • PITCHMAP::Colors
      • ORANGE VOCODER nano
      • ORANGE VOCODER IV
      • ADAPTIVERB
      • WORMHOLE
      • MORPH 3
      • UNMIX::DRUMS
      • UNVEIL
      • UNFILTER
      • UNCHIRP
      • PITCHMAP
      • TIME FACTORY II
  • COMMUNITY
    • Product Reviews
  • BUY