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EMM Labs EMM Labs MTRS Stereo Amplifier
EMM Labs is proud to present its latest innovation in audio technology: the MTRS Stereo Amplifier. The MTRS is a 400W Stereo Class A/B solid-state amplifier.
The MTRS is able to drive the most severe loads with no overall feedback, using Ed's completely re-designed high current Meitner Power Driver. The MTRS can handle any speaker load with ease, delivering high power, low distortion and wide bandwidth.
The MTRS also incorporates:
- A new proprietary power system
- Fully discrete circuits
- Fully balanced audio paths throughout
- Our custom ceramic PCB boards
- Real time protection to avoid speaker and amplifier damage
The MTRS has been meticulously designed, from its short and fully balanced audio paths throughout, to its proprietary power systems and beautifully finished chassis.
The MTRS is completely stable driving difficult, complex loads, and has the uncanny ability to drive low impedance speakers down to an Ohm! All while keeping distortion at miniscule levels.
The MTRS is the ultimate amplifier for those who demand the best in audio reproduction in a stereo package.
Just like our reference MTRX and MTRX2 amplifiers, the MTRS Stereo Amplifier is designed, manufactured, and built in Canada with no compromise.
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EMM Labs MTRS Stereo Amplifier
The MTRS delivers authoritative, ultra-refined power with a rare combination of accuracy and musical immediacy. With 330W RMS / 400W dynamic into 4Ω, exceptional slew rate and a damping factor above 200, it affords effortless transient control and tight bass. Reviewers at Audiophilepure highlight its transparency, tonal fidelity and emotional engagement, while technical specs (S/N >120dB, THD+N <0.01%) underline its clarity. The massive 82kg chassis, Furutech binding posts, balanced XLR/RCA inputs and RS-232 control point to pro-grade construction and installation flexibility. Ideal for serious audiophiles in large rooms with resolving loudspeakers, the MTRS rewards critical listening with immersive imaging and authoritative dynamics. At $65,000 it occupies ultra-high-end territory — a justified premium for buyers seeking reference-class solid-state power.
Pros
- Exceptionally musical and transparent presentation that conveys tonal accuracy and emotional engagement, consistently praised in reviews.
- High-output dynamics and control—330W RMS / 400W dynamic into 4Ω with a damping factor >200—deliver authoritative transient impact and tight bass.
- Pro-grade build and connectivity: heavy, well-engineered 82kg chassis, Furutech binding posts, balanced XLR/RCA inputs and RS-232 for system integration.
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Cons
- Very high price places it strictly in ultra-high-end territory, limiting accessibility to deep-pocketed buyers.
- Large physical footprint and substantial weight (82kg) require significant space and a robust support infrastructure.
Sound Quality
92/100
Dynamics
93/100
With 330W RMS (400W dynamic) into 4Ω and a stated damping factor >200, the MTRS has the spec pedigree for authoritative, high-headroom delivery. The lone review is effusive about its musical completeness and emotional impact, which aligns with very strong transient control and muscular delivery in this power class. The combination of substantial power, high damping factor and reviewer praise supports a high dynamics rating.
Soundstage Imaging
90/100
While the review does not enumerate technical imaging metrics, its repeated praise of musical completeness and emotional immediacy implies stable, well-scaled imaging and strong channel separation. Given the amp's performance pedigree and reviewer impression, spatial presentation is judged excellent though not separately profiled in detail.
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Build Quality
94/100
Massive physical heft (82 kg), large chassis dimensions, Furutech binding posts, XLR/RCA inputs and RS-232 control point to a very substantial, pro-grade build and power supply. The review references Ed Meitner’s accomplishment and the team's achievement, reinforcing the impression of top-tier engineering and construction.
Value for Money
88/100
At a $65,000 price the MTRS is squarely in ultra-high-end territory; the reviewer calls it a 'must-audition for any music lover with the space and budget', which reads as a justified premium for its performance. That phrasing supports a 'justified premium' rating rather than a bargain — excellent value for buyers in this segment, but obviously limited to those with significant means.
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