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Ex Machina Quasar MKII 3-Way Active Studio Monitor - Pair

3-way active studio monitor suited to near-mid to midfield applications with improved coaxial driver and DSP board
MFR# Ex Machina Quasar MKII Pair

Product Description

The Ex Machina Quasar MKII is an ideal choice for nearfield through mains monitoring in all but the largest rooms. Like its younger brother, Quasar features custom SEAS drivers custom designed cutting edge diaphragm materials designed in collaboration with Composite Sound featuring their Metamodal TX mid range and tweeter diaphragms, acoustically inert, sealed Valchromat cabinets, Hypex Ncore amps and AKM AK5572EN & AK4493EQ conversion, and dedicated 5th generation SHARC DSP per speaker deploying higher computing headroom and our improved proprietary calibration technology. And, like all Ex Machina monitors, it offers an ultra-wide sweet spot, linear phase and magnitude response, vanishingly low distortion and superb transient response, for effortless clarity and highly detailed insight into your mixes. But with twice as many subs, and nearly twice as much power as Pulsar, you can add ridiculous low frequency extension and earth shattering output to that list as well. Hyper accurate tools? Massive sounding client pleasers? With Quasar, you get both.

Building off the success of the first generation of the Pulsar and Quasar models, Ex Machina have been working diligently to optimize the current design and improve on a few design elements.


Newly optimized joinery has allowed Ex Machina to shrink the overall depth of the cabinets by nearly 2" without sacrificing internal volume while simultaneously improving the stiffness of the cabinets. The new smaller amp plates also have convective cooling slots, smaller over footprint, improved fastening for reduced plate resonance, and an improved finish and machining quality.


After countless hours of R&D, Ex Machine MKII monitors debut their 2nd generation flagship coaxial driver featuring the first commercially deployed Composite Sound Metamodal TX diaphragms. Born from the same space aged Textreme material as first generation midranges, these new diaphragms feature a revolutionary new construction Technology, which allows us to optimize the fiber layout diaphragm to diaphragm to actively control resonant modes and dispersion characteristics as well as stiffness. Additionally, we also leveraged this technology into the new design and construction of a brand new tweeter diaphragm. Relative to the first generation tweeters, these new tweeters remain perfect pistons almost 10 kHz higher in frequency and control breakup so exceptionally well that we now average roughly 0.1% THD in the all important 2 kHz - 10 kHz band. As an added bonus, while we still caution you to never touch the tweeter diaphragms as impact damage will void the warranty, these new tweeters are quite mechanically robust and an accidental touch is far less likely to cause damage.


Ex Machina 2nd generation DSP boards feature improvements in every aspect. Flagship discrete AKM AK5572EN and AK4493EQ AD/DA chips and commensurately optimized clocking and analog circuitry improves the S/N ratio to 123 dBa. Dedicated low power AMTEL processors and new power regulation code ensure safe shutdown behavior under a wide range of fault conditions. 5th generation SHARC+ AD21565 DSP’s provide four times the available computing power.


Ex Machina take full advantage of the newly available computing headroom and brand new multimillion dollar facility (featuring Brooklyn’s only hemi-anechoic chamber) to further improve their proprietary calibration algorithms. Both Pulsar & Quasar can now maintain phase linearity to ±15° all the way down to 20 Hz and ±5° from 80 Hz to 30 kHz, they will cleanly reproduce a square wave even at the crossover frequencies and can even produce single cycle tone bursts (as generated using an Audio Precision 555b Analyzer)


  • Suited for most near and mid-field monitoring setups
  • Out of this world imaging
  • Tight, focused, foundation-shaking low-end
  • Coaxial 3-way design
  • Tight and focused low-end
  • Optimized joinery for lower overall depth without sacrificing internal volume
  • Cutting edge materials science
  • Proprietary DSP correction of both phase and magnitude linearity
  • Ultra-low distortion

Product Specifications

Condition New
Width 11.3 in
Depth 13.6 in
Height 29.2 in
Unit Weight 77 lb
Monitor Application Mid-Field, Near-Field
Driver Sizes 7” midrange, 1” tweeter Custom SEAS/Ex Machina/Composite Sound Metamodal TX mid/high coaxial; two 9” Custom Aluminum SEAS Extreme Series Architecture Subwoofers
Number of Speakers Pair
Amp Wattage LF: 500W RMS; MF: 125W RMS; HF: 75W RMS
Frequency Range 29 Hz - 32 kHz ±1 dB
Max. SPL 114 dB @1m

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