User Reviews

Published LessLoss Reviews Now Number Over 697

Firewall Module

Date Added: 06/23/2024 by Mac Finney, Baltimore, Maryland USA
Stellar Firewalls for Loudspeakers are otherworldly!

I won’t apologize for sounding like a LessLoss fanboy! The Power Base, Speaker Base, Stellar Power Cables, 640x Entropic Power Modules, Standard Firewalls for Loudspeakers and Entropic Speaker Cable & jumpers I have in my setup combine synergistically to produce the most heavenly sound!

However, a recent upgrade from Standard Firewalls to the brand new Stellar edition have transformed my system from dreamy to otherworldly! Speakers vanish into blackness. Poof! Walls disappear. Poof! Music floats free & easy. Soundstage wide, tall & deep. More space around musicians & instruments. Their locations well defined. I’m able to see & hear behind each note played. Very holographic!

It’s as if I traded my very nice seats as an observer to become an active participant on stage in the making of music. The emotional attachment is intoxicating!

The LessLoss trade up program is both generous & easy. 2 stereo pairs of Standard Firewalls, 4 individual Firewalls per speaker, became Stellars configured in series, 2 red & 2 black per speaker. After 100hrs of run in time, this upgrade, combined with the other excellent LessLoss products in my system, represents a dramatic leap forward. I’ve never felt closer to the music than I do now!

Bravo Louis & LessLoss!
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C-MARC bulk wire and cable

Date Added: 05/21/2024 by Jens Thorsen
Read the review here (PDF file).
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BlackGround Power Base

Date Added: 04/18/2024 by Zoltan
I ordered this "box" with trepidation. Over the years, I have spent a lot of time and energy trying to get the right power cables to my devices. After reading the reviews I had rather high expectations and was afraid of being disappointed.

But the very first second blew away all my doubts. I didn't have to look for the difference as it slaps me in the my face immediately.
However, I also read that it is worth the wait, because the effect would mature over time.

I've been using it for over a week now and I think it was one of the best investments I made. Not only one tiny detail of the sound picture has improved.
Everything has become much more precise, tighter, but at the same time the music has not lost its sensuality, it has also brought out its emotion and passion.
The presence of a stage has become more noticeable and deeper. The experience is more immersive than ever.
Yesterday I sat listening to music for hours with a grin on my face, without getting tired.
I think I have arrived. I've wanted to come here for years.

Congratulations and thank you.
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C-MARC Stellar Power Cable

Date Added: 03/25/2024 by Michael Ross
I’ve had the the latest group of 4 C-MARC Stellar power cables for over a month now. Upgraded them all about 6 weeks ago. (Now, all my cables are the high end Stellar C-MARCs). Just thought I’d drop you my brief impressions after careful listening. 1) I’m delighted! 2) The thing that stands out is the sense of "being there”. Was it the old RCA records would advertise themselves as having “Living Presence”? That’s what I now have! A significant upgrade! I’m sure that if I were to go back to mu old cables (which I sent back to you) I’d immediately notice the difference! For the worst! Everything just seems more real, more live, and richer. Listening to the orchestral Debussy, for example, is a real treat! The textures are are richer, cleaner, and more detailed.

Michael Ross, Southfield Michigan
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C-MARC Stellar Power Cable

Date Added: 03/25/2024 by Ken Sternberg
Everything I have liked about your Entropic Classic power cords is improved, particularly the lowered noise floor after the groaning ended upon completion of the prolonged struggle in close quarters removing all six Classics and replacing them with the Stellars ;-)

I agree with the user review comments of your other customers.
I could hear the improvements immediately.

Music first listened to …

“The Great Ray Charles” Atlantic SD-1259

The Ray Charles/Quincy Jones track “Undecided” is “rockin”.
There’s terrific drive I had not heard previously, & there’s great pace, fast transients, and the ambience/reverb of the double bass accompanying everyone is more noticeable. The tenor & baritone saxes, and muted and open trumpet are really live sounding, dynamic, with just beautiful tone.

A old standby recording that I’ve always gone back to listen to is Ben Webster’s “At The Renaissance”, when accessing system changes.

Here are a few observations I made in the first moments after installing the Stellars:

I think these power cords are bringing more presence & details into focus… the lows deeper, with spacial information definitely more discernible -
The audience clapping during “Georgia On My Mind” sounds like it in a different place than the musicians. Chattering of the players is heard better now.
The music’s more visceral, with quieter background.
Rowles’ piano tone is spot on.
Butler’s drum skins’ tone, and the irregular “off” or “accent” beats of his sticks on the cymbals, are just better. Jim Hall’s guitar’s bell tones float lightly above everything.

Good move, definitely, especially if things are going to get better from here on in!

I’m excited about hosting our Philadelphia Audio Group this September, and I will certainly encourage anyone interested in why everything is sounding so good to check out your website - particularly the video you recommend, and the “Best Steps Forward” article.

All the best!
-Ken Sternberg
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C-MARC Stellar Power Cable

Date Added: 03/03/2024 by Sven Palvig
At last, my four LessLoss Stellar Entropic cables were delivered.
I have waited impatiently with the silver lining of practicing patience.
It takes 30 hours to produce a LessLoss Stellar Entropic cable of two meters. However, the cables are completely raw, and they have to be adapted through playing music, but that is part of the experience: Experiencing how the cables evolve with music - what a pleasure!
New details emerge from familiar music. Amazing!
I am thrilled and amazed at how it can improve the sound. This is astounding to me!
I had absolutely amazing sound before, but with these power cables both the cheap Prime and their top cable Stellar Entropic, just so much has happened! There's simply more to it all!
The music is opened up even more. Now, it’s real music. To the ear it’s real, live music.
LessLoss produces less noise. Less noise means a better chance for the devices to deliver exactly what they were built for. It’s a win-win. LessLoss means less loss. Less lost music! It makes you listen to the music more carefully. For example, listening to the Danish song “Den Lige Vej” with Kim Larsen sounds like the singer is right there in front of you singing live. Even the smallest mouth movements are now heard much better and more naturally.
I have also tested the cables with choral music: Himmelrand SACD from 2L. Great recording! With my old system, I could more or less pinpoint the individual singers, and I still can. But now, I can hear them standing up and singing naturally. The choir is singing here at its natural height, wide and deep.
Sounds in the background appear as well. Low sounds from drums far back, don’t drown out anymore. I hear the different touches of the drums. It is excellent! With a singer like Mari Boine Persen in "Eg veit i himmerik ei borg", you hear how her voice is graduated with detail, getting weaker and weaker until it’s silent.
You experience the silence in the room. This is huge! It is transformative! Silence in the music means more calmness, and the music becomes far more stress relieving.
Music can be wild, and Stellar Entropic allows it to be! With Stellar Entropic, there is dynamism, it’s terrific! With Stellar Entropic, there is silence in the music! When brass cymbals are struck, they sound metallic, as they should be! The treble is so clean and detailed! With drums, you hear the drum skin and the bang!
You experience things in the background where people are talking.
With Stellar Entropic, you can experience more of what LessLoss Prime provides. It’s what Bindbreaker also does, just far more!
Thank you for reading my experiences so far! I’ve had help with the translation to English, so please excuse any typos. There’s probably lots that I’ve forgotten to write here, so I may add more when I experience these cables further.
Thanks to Renè and Henrik for introducing me to LessLoss cables! My system has moved from awesome sound to even more lively and natural sound. With more wildness, dynamics and silence! These cables opened up the music so that my room appears bigger and deeper!
Sven Palvig, Denmark
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Echo's End

Date Added: 02/08/2024 by Rick Jacobsohn, sound engineer and producer, New York City
I am simply blown away by how incredible the Echo's End Reference Supreme DAC sounds in my studio. The sound is extremely natural, and detailed without ever sounding harsh or fatiguing. The sound stage is wider, deeper, more precise and more immersive than any converter I've heard in my space. But for me, the most important factor is how easily I can hear even the smallest change in a mix, even at very low levels, allowing me to make faster and more confident decisions. Any tool that helps me do my job better and faster stays in the chain, this converter is never leaving! And it sounds good at any sample rate, from 16 bit 44.1 kHz all the way up to DSD 2x.

Rick Jacobsohn

New York based engineer and producer Rick Jacobsohn has established a multifaceted career in the recording studio and live performance venues. Recent commercial projects include work with many notable artists including Carlos Simon, Kevin Puts, Marin Alsop, The Baltimore Symphony Orchestra, Du Yun, and Claire Chase. He is the original sound designer for Osvaldo Golijov's Ainadamar, Mason Bates The (R)evolution of Steve Jobs, and Karim Suylaman’s UnHoly Wars. Since 2007, Rick has been the producer and engineer for The Baltimore Symphony Orchestra. From 2016 through 2022, he also produced and engineered a portion of The Philadelphia Orchestra’s weekly broadcasts on WRTI as well as their entire 2020 Digital Stage season. In addition Rick has mixed live sound on numerous productions for orchestras including Boston, Chicago, Philadelphia, and Atlanta Symphonies as well as AMOC, The Atlanta Opera, The Calgary Opera, Lyric Opera of Kansas City, Opera Philadelphia, San Francisco Opera, The Santa Fe Opera, and The Seattle Opera. As an educator, he has led Peabody Conservatory students in the production of two commercial albums and has presented lectures at Ithaca College and Indiana University. At Santa Fe Opera, Indiana University, and Bravo Vail, he has led student and apprentice teams through the process of sound design for opera. Rick holds a Bachelor's Degree in Music from Ithaca College and a Master’s Degree in Sound Recording from McGill University.
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C-MARC Stellar Power Cable

Date Added: 02/07/2024 by Maarten
Crispy, full, clear, well-balanced and a tremendous pronunciation. These words first came up to me, after using the C-Marc Stellar. In combination with the 640k firewall.
My Naim NSC222 really performs better, brighter and cleaner.
Naim has an external power source NPX 300. I tried this for a week.
To be honest, the Stellar and the 640k together are in the same league as the NPX of 7.000 euro.
A no-brainer in my opinion.
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C-MARC Stellar Power Cable

Date Added: 02/06/2024 by Joshua J. Wright
The stellar PCs in this review were purchased as upgrades from the Classic ENTROPIC PROCESS PCs.(which are amazing PCs in their own right) The first thing I noticed about the Stellar PCs was how the low level detail was magnified with more weight and density than before. It is like installing an aural magnifying glass making it easier to hear details and dimensionality. Since this effect is produced in such a natural fashion, the end result is total immersion and involvement without any distracting over emphasis in any of the frequency extremes. This greater magnification in both macro and micro domaines creates a more expansive and 3 dimensional sound field. There is a greater sense of unforced ease while at the same time exposing more musical information. Low level listening is more satisfying while turning up the volume becomes even more rewarding. Each listening session becomes a never ending journey, extending itself for no other reason than the pure joy of musical connection and discovery. Prior to the addition of the Stellar PCs the sound was what I thought to be amazing, but has now taken on a what could be described as a more mature and insightful nature. The Stellar power cords are in a word, EXTRAORDINARY!!! Despite thinking the sound of my system had already reached its pinnacle, I was happily proved wrong once again.


Be prepared to tolerate a full 7 days of break in before having the full experience. It is more than worth the Wait. Once you hear it you will be spoiled for life.
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C-MARC Stellar Power Cable

Date Added: 01/31/2024 by Michael Ross
I recently ordered and received 4 top line C-Marc power cables. To complete my entire power cable system. After about a month of listening, I can report-good things! In a nutshell, the sound is truer to life. Like the old RCA records statement on all its record jackets- "Living Presence". It has greater depth, great room resonance, and a more 'you are there' feeling to it. Just so exhilarating to an audiophile!
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LessLoss History From the Very Beginnings

LessLoss started its business on Audiogon in late 2007. Within the first couple of month, word about LessLoss spread like wildfire among Audiogon members. Here is the feedback received from our clients during our first year of operation. This is from even before we had our own website.

Louis is one of the best in the business, truly professional and very fast production and delivery. I am very satisfied by your superb service. Many thanks.

Positive by Buyer Sebastian (135) on 07-29-2008

Excellent transaction with Lessloss on dynamic filtering power cord. Good communications & fast shipping. A+++++

Positive by Buyer Sennett (45) on 07-03-08

Bought 3 pc's from Liudas in Jan/08. Outstanding product as advertised. Performance is everything and more than I expected. Kudos to Lessloss cable for a great product. Very highly recommended...A+++

Positive by Buyer Phillykid (33) on 06-19-08