Brax Matrix ML28 Pro tweeters
Brax Matrix ML28 PRO
Handcrafted 28 mm / 1.1” High-End Tweeter
Brax speakers are reference-grade components for installations where no compromise is acceptable.
Designed and manufactured in Germany by the engineers behind Helix and Match audio, these represent the absolute pinnacle of automotive speaker engineering. This isn’t a casual upgrade from factory speakers – Brax components demand professional installation, proper amplification, and complete system integration.
Each pair of speakers is unique
In order to meet the high-quality requirements of Brax and to reach perfect tonal interaction, each speaker set is hand-selected and paired according to its acoustic parameters. Only after selection, every speaker set receives its unique serial number, which is recorded in a service database.
The exclusive wooden box packaging completes this high-end product and emphasises once again the philosophy of BRAX.
Features
- High-End 28 mm silk dome – provides brilliant, smooth treble with visco-elastic Acronal coating on both sides
- Enhanced coupling volume – dampened with merino wool for low resonance and perfect sound quality
- Innovative inward-flanged design – superior frequency response thanks to improved sound dispersion
- Solid machined stainless steel housing – highly exclusive, extraordinary design with optimum heat dissipation
- High-efficiency neodymium magnet – with 8-port ventilation for ideal linearity of the magnetic flux, ensuring lowest possible distortion
- Inward-facing stainless steel phase plug – prevents unwanted reflections within the coupling volume for focused sound reproduction
- Standardized mounting diameter – matches installation diameter of MATRIX ML50 PRO, GRAPHIC GL2 and GL1 MK2
- 24-carat gold-plated terminals – guarantee maximum conductivity for optimal signal transmission
- Cover grilles included in two exclusive, swappable designs – optimized for perfect sound performance
Technical data
| Power RMS / max. | P | 120 / 170 Watts (highpass > 3,000 Hz at 12 dB/Oct.) |
| Impedance | Z | 4 Ω |
| DC resistance | Re | 3.4 Ω |
| Frequency response | 1,800 – 25,000 Hz | |
| Resonance frequency | Fs | 760 Hz |
| Sensitivity | SPL |
93 dB @ 2.83V / 1m |
| Voice coil diameter | ø | 28 mm / 1.10″ |
| Cone area | Sd | 6.2 cm² |
| Moving mass | Mms | 0.32 g |
| Cone material | Silk dome with a visco-elastic Acronal coating on both sides | |
| Outer diameter | ø | 60 mm / 2.4″ |
| Installation diameter | ø | 52 mm / 2.1″ |
| Installation depth | 25 mm / 1.0″ | |
| Recommended crossover frequencies for the highpass | ||
| Slope |
Minimum crossover frequency | |
| 6 dB/Octave | 3,500 Hz | |
| 12 dB/Octave | > 2,500 Hz | |
| 24 dB/Octave | > 1,800 Hz | |












