
Sub A125-M
Compact accurate Subwoofer

Main Features
Power: 225W
Frequency Range: 28Hz – 100Hz
SPL Max: 106dB
100% Analog – No DSP
Flat frequency response
Phase compensated for a better stereo image
Class G Amplifiers
Built in anti-resonance system in a double box cabinet
individually calibrated
Typical listening distance: from 1m
5 years warranty
Handmade in Switzerland
Sub A125-M – The most compact subwoofer of our range
Don’t think of a subwoofer, think of adding an extra low frequency way to your monitor.
Our SUBs are designed and calibrated to seamlessly extend the low-end of any of our loudspeakers and with and overall flat frequency and phase response. The result is remarkable when reproducing low frequency acoustic instruments. The tight, accurate, perfectly controlled bass allows hearing all details down to 28 Hz and even down to 24 Hz with our larger model.
PSI Audio program includes 2 subwoofers / Low Frequency Extensions that excel in accuracy and fit the whole range of PSI Audio monitors:
– Sub A125-M is a compact subwoofer and perfectly fits the A14-M or A17-M. Two units perfectly fit the A21-M. It extends the frequency down to 28 Hz.
– Sub A225-M is a powerful subwoofer and perfectly fits the A21-M and two units perfectly fit A25-M. It extends the frequency down to 24 Hz.
Click on a picture to choose a product from our coherent range of monitors.
Technical Data & Documents
Product | A125-M |
Power RMS | 150 W |
Program Power | 225 W |
Continuous Max SPL @ 1m | 106 dB (single) |
Program Max SPL @ 1m | 111 dB (pair) |
Response at -6dB | 28-90 Hz |
Tolerances | ± 2.0 dB(31 Hz – 65 Hz) |
System | 1-way |
Crossover frequency | 90 Hz |
Woofer dim. Ext. / | ø 258 mm / |
Diaphragm mm | ø 210 mm |
Woofer dim. Ext. / | ø 10.2 in / |
Diaphragm inch | ø 8.3 in |
Dimensions W x H x D mm | 320 x 480 x 380 |
Dimensions W x H x D inch | 12.6 x 18.9 x 14.9 |
Net Weight kg | 20.5 kg |
Net Weight lbs | 45.1 lbs |
Warranty | 5 years |
On special request, we can customize your speaker with any RAL color.
Please ask us directly.
What our users say
The Sub A125-M is so precise and perfectly fits my A17-M. I almost have the impression to have a 3-way system.
Ismael Antico – Soundimension