MBQuart 6.5" Premium 2-Way Component Speakers
The PS1-216 brings a proper component install to the 70 Series with Magnesium WideSphere tweeters, external Cauer-topology Butterworth crossovers, and a tunable waveguide housing built to handle the dust, vibration, and heat of Australian outback driving.
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Built to sound
right.
The PS1-216 brings a proper component install to the 70 Series with Magnesium WideSphere tweeters, external Cauer-topology Butterworth crossovers, and a tunable waveguide housing built to handle the dust, vibration, and heat of Australian outback driving.
The MBQuart PS1-216 is a 6.5" Premium Series 2-way component system engineered for builds where sound staging and long-term durability matter equally. At its core are 1" Magnesium WideSphere tweeters paired with aerated paper and mica composite cones, delivering a wide, controlled dispersion pattern without the harshness of conventional metal domes. The external passive crossovers use a Cauer-topology Butterworth design, a tight-tolerance network that keeps frequency hand-off clean and consistent across both channels. The aerospace-grade PA66 composite frame, reinforced with 30% glass fibre, is built to resist the flex and resonance that plague lesser enclosures on corrugated tracks. Active frame venting and PTC tweeter protection round out a system that is as practical as it is capable.
Three things that matter.
Cauer-Topology Butterworth Crossover
The external passive crossover network uses a Cauer-topology Butterworth design with tight-tolerance components, delivering a precise 12 dB/octave roll-off for a clean, phase-coherent hand-off between woofer and tweeter.
Tunable Tweeter Waveguide with Removable Phase Lens
The tweeter housing features an adjustable waveguide and a removable phase lens, giving installers genuine control over dispersion angle and high-frequency focus to suit the specific cabin geometry of a 70 Series.
Aerospace-Grade PA66 Composite Frame
The 30% glass-fibre-reinforced PA66 frame resists flex, resonance, and UV degradation, while stainless steel push-insert connectors and active cooling via frame venting ensure reliable long-term performance in harsh conditions.
Full specs.
Model
PS1-216
Speaker Size
6.5"
Configuration
2-Way Component
RMS Power Handling
60 W each / 120 W system
Peak Power Handling
120 W each / 240 W system
Impedance
4 ohms
Sensitivity
88.9 dB
Frequency Response
55 Hz – 22 kHz
Crossover Slope
12 dB/octave
Tweeter
1" Magnesium WideSphere
Cone Material
Aerated paper / mica composite
Frame Material
PA66 composite, 30% glass fibre
Connectors
Stainless steel push-insert
Speaker Height
2.71"
Mounting Cutout
5.59"
Outside Diameter
6.57"
Colour
Black
Grills
Included
Warranty
2 Years
What's included.
Hear the
difference.
Add it to your build, or browse the full MBQuart range to match speakers, components, subs and amplifiers.