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Positive Feedback, April 2020 – Fidelizer Etherstream and the Sbooster BOTW P&P ECO MKII 12-13V

"As for the Sbooster's contribution to Ethernet music… WOW!… This is no joke."


Hifi Live Magazine, Spain, April 2020 – Lumïn U1 Mini and the Sbooster Lumïn Connection Kit and the Sbooster BOTW P&P ECO MKII 12-13V

"Durante la elaboración presente artículo la modificación de la fuente de alimentación conmutada original por una fuente de alimentación lineal de la firma holandesa sBooster resultó reveladora y supuso una mejora en la calidad global del sonido relevante.

No me cabe duda de que el tándem compuesto por el transporte de red Lumin U1 mini, junto con la fuente de alimentación lineal externa sBooster BOTW ECO MKII son capaces de competir con productos equivalentes que le duplique en precio sin dificultades, ¡un chollo! Tanto es que no he tenido ninguna duda en incorporarlo como nueva referencia a mi sistema.

Mi más sincera recomendación."

"During the preparation of this article, the modification of the original switched power supply by a linear power supply from the Dutch firm sBooster was revealing and led to an improvement in the overall quality of the relevant sound.

I have no doubt that the tandem composed of the Lumin U1 mini network transport, together with the external linear power supply sBooster BOTW ECO MKII are capable of competing with equivalent products that double you in price without difficulties, a bargain! So much so that I have had no hesitation in incorporating it as a new reference to my system.

My most sincere recommendation."

Spanish: https://hifilivemagazine.com/lumin-u1-mini-2/

English Google translate: https://tinyurl.com/hifilive-u1-mini

Fidelity Magazine 48, Germany, March/April 2020 – hard copy and online available – BOTW P&P ECO MKII, "Big is beautiful"

Fidelity Musik und Hifi - 48

Sbooster Big is Beautiful


Hifistatement, Germany, February 2020 – Melco S100 and the Sbooster BOTW P&P ECO MKII 12-13V

"Und das merkt man: In Kombination mit einem SBooster zählt das S100 zum Besten, was ich je gehört habe. Für die damit mögliche Verbesserung ist der Preis – wir bewegen uns in High-End-Gefilden – ausgesprochen kundenfreundlich."

"​And you can tell: In combination with an SBooster, the S100 is one of the best I have ever heard. For the possible improvement, the price - we operate in high-end areas - is extremely customer-friendly. "

German: https://www.hifistatement.net/tests/item/2719-melco-s100?start=0
English Google translate: 

The Ear, UK, January 2020 - Melco N100 and the Sbooster BOTW P&P ECO MKII 12-13V

"There are plenty of aftermarket power supplies on the market but the Sbooster models are well made, sensibly priced and provide an alround benefit to the components I’ve tried them with, an upgrade that it would be hard to achieve without upgrading to a more expensive server in this instance."


Positive Feedback, USA, November 2019, BOTW P&P ECO MKII review and Dave and Carol Clark's Brutus Awards for 2019

"Cleaner and stable power equals cleaner and stable music. Stable in the sense of getting what is there without anything much in the way. Our music just sounds better.

Highly recommended."




Quote, The Netherlands, November 2019, Music Server 432 EVO Master and Triple Output PSU. 432 EVO Master with Sbooster Triple Output PSU

Hifistatement, Germany, July 2019 – Melco D100 & PP1 and the BOTW P&P ECO MKII 12-13V and the new BOTW 24VAC

"Wer nur mit dem besten zufrieden ist, kommt um dessen Stromversorgung mit dem SBooster nicht herum. Beim ersten Wechselstrom SBooster, dem für den Lukaschek, ist es noch viel klarer: Er bringt denn PP1 auf ein deutlich höheres klangliches Niveau."

"If you are only satisfied with the best, there is no way around to power up with the SBooster. With the first AC SBooster, the one for the Lukaschek, it's even clearer: it brings PP1 to a much higher sound level."

German: https://www.hifistatement.net/tests/item/2578-sbooster-botw-power-precision-eco-mkii-zum-zweiten

English Google translate: https://tinyurl.com/Hifistatement-Sbooster-x2

Upscale Audio, USA, May 2019 – Video of the BOTW P&P ECO MKII

Find out why Kevin says, "I don't know if I've ever seen a product that is going to make such a difference for so many people". Power supplies make all the difference in audio, and the Sbooster offers a massive upgrade to a huge range of products.


Art’s excellence blog, The Netherlands, March 2019 – Chord M-Scaler & Hugo TT2

Dutch: https://blog.artsexcellence.nl/chord-hugo-m-scaler-en-hugo-tt-2-review/

The blog is also available as PDF in Engish on the art's excellence website.

Art’s excellence blog, The Netherlands November 2018, BOTW P&P ECO MKII & Qutest

Dutch: https://blog.artsexcellence.nl/sbooster-botw-eco-mkii-review/

The blog is available as PDF in Engish on the art's excellence website.

HVT, The Netherlands, October 2018 – Mytek Brooklyn DAC & RME ADI-2

Dutch: https://www.hvt.nl/recensie/sbooster-botw-pp-eco-mkii/

Reviews MKI:

Hifi-Pig, reviewer Dan Worth tested the BOTW P&P ECO on the Audiobyte Hydra Z, the 12-13V on the Mytek Brooklyn DAC and the 15-16V on the Auralic Aries.

"Sbooster Best of Two Worlds Power & Precision ECO (BOTW) Power Supplies cost €300 each and are replacements for the all too common wall-warts that seem to be de rigeur with many audio products. Dan Worth feels the power."

"All in all I’d highly recommend the BOTW P&P ECO BOTW Power Supply, its a sure way to obtain increased performance from any product with a less than bespoke off-board PSU."



Build Quality: Not the prettiest, I’d prefer all wires to be on ones side, sturdy and electrically safe none-the-less

Sound Quality: Fantastically noticeable increase in resolution, bass density and back silence

Value For Money: Absolute no brainier


Excellent flexibility it’s a range of output plug sizes

Large range of 11 output voltages

Very noticeable upgrade over stock power supplies

Great musical and audiophile qualities

Great value for money


Realistically none, but I’d like a detachable DC Cable"

Thanks Dan and Hifi Pig for this excellent review!

Here you can find the review: https://hifipig.com/sbooster-best-of-two-worlds-power-precision-eco-botw-power-supplies/

At CanJam Europe, Berlin 2017, we ran into reviewer John Darko from the online audio magazine Digital Audio Review which resulted in this cool report including a short interview about our showcase!

Thanks John!

Check it out on: https://www.digitalaudioreview.net/…/getting-high-on-my-own…/

"From the floor of Berlin’s nHow hotel, Wiebren Draaijer and Karin Hoks of The Netherlands’ Sbooster demonstrated the potency of their linear power supplies by substituting an entire system’s worth of SMPS wall-warts – from a NAS, a router, an AURALiC streamer, an M2Tech DAC and an iFi Audio headphone amplifier – with five of their own Best of Two Worlds Power & Precision ECO (BOTW P&P ECO)"

"The humble A/B demo lets us know that a better-sounding Brooklyn DAC and a better-sounding ultraRendu streamer are both possible from a higher quality power supply. Well played, Sbooster."


The Ear: how to... Sbooster BOTW P&P Eco PSU upgrade

by Jason Kennedy, June 2017 

"The power supply is the heart of any audio component, it pumps electrons rather than blood but without it amplification and processing can’t happen. One of the biggest differences between components is the quality of the power supply, certain companies make a very good living by offering power supply upgrades that bring sound quality benefits to their products. Other companies, usually those trying to keep costs under control use relatively basic power supplies and many of these are switching types. If your wall-wart supply doesn’t weigh much you can be sure it’s switcher, and while perfectly capable of delivering the required voltage to a device they also produce high frequency noise that gets overlaid on the AC and undermines not only the potential of the device that they supply but also everything else in the system too, because the noise goes back into the AC network. By replacing these supplies with a linear alternative you not only improve the chances of the powered component but of the whole system."

"For certain components the BOTW P&P Eco can be augmented with an SBooster Ultra which provides extra filtering and is designed to remove any residual noise that gets past the BOTW device. I added it in between the supply and the Aries and found it tightened up the focus, cleaning the highs a little more and delivering a slightly leaner more precise sound. This apparently also needs more burn-in but going back to the regular supply from the BOTW and Ultra combo is shocking enough already, it really sounds blurred and crude by comparison

The SBooster strikes me as a good value upgrade to any switch mode DC power supplied component you have in the system, it really does provide the ‘best of two worlds’ by delivering clean current to the hardware and not polluting the mains with high frequency noise. If you are really keen to get the best from a streaming system it would be worth putting these on the router and NAS drive, such things have the most basic supplies and replacing them with something cleaner is quite a major upgrade if you have a high resolution system. One of the main differences between an audiophile server and a NAS drive is the quality of power supply so it’s not such an extravagance if you’re aiming high. The SBooster BOTW P&P Eco is a useful weapon in the armoury against noise in the modern hi-fi system, one which lets you hear a lot more of the music and a lot less of the grunge."


Sbooster BOTW P&P ECO review in the Standard Candle  "Getting the measure of the Universe"

by Andrew Harrison, april 2017


"Clean power is the lifeblood of good audio reproduction."

"In 100 words or less

The Sbooster BOTW P&P ECO is a well-made and versatile unit that brings instant dividends to a system using commodity power plugs. With both D-A convertors I tried, it tamed the sound conspicuously, taking out some of the ‘digital’ glare that even the best DACs for the money will still show. It can also serve good duty as a power supply of ancillary non-hi-fi components, with subtle improvements in system sound available by nipping the source of external RFI in the bud."

Positive Feedback November 2016 review on the Lumin D1 in combination with the Sbooster BOTW P&P ECO 12-13.2V:

"With the Sbooster doing the driving, instruments
and voices gained in solidity and threedimensionality.
Soundstage depth cues improved
markedly, as did my ability to discern the
placement of instruments and voices within the
recorded stage. This newfound solidity had the net
effect of heightening the sense of overall musical
realism and involvement


"... the littlest Lumin comes very highly
recommended, especially when paired with the
affordable Sbooster PSU upgrade. They are my
new digital reference components!

Positive Feedback Writers' Choice


HiFi Choice - Sbooster review

A very nice review of our 15-16V BOTW P&P ECO power supply has been published in the 2016 June edition of HI-FI Choice Magazine (p. 111 Choice EXTRAS). The power supply was tested on an Alpha Design Labs GT40a USB.

Quote: “… making this a worthy upgrade for many externally powered audio devices.”



 TEST: Mytek Brooklyn mit SBooster BOTW


Der Brooklyn überzeugt nicht nur als D/A-Wandler. Man sollte seinen hervorragenden Kopfhörerverstärker und seine Fähigkeiten als Vorstufe keinesfalls unterschätzen. Selbst wenn die Phonostufe über Mittelmaß nicht hinauskommt, ändert das nichts am schon sensationellen Preis/Klang-Verhältnis des Mytek. Darüber hinaus lässt sich der Brooklyn mit einen SBooster-Netzteil und einer USB-Bridge von Bryston oder Audiobyte noch in deutlich höhere Sphären treiben. Ein Glücksfall!


 TEST:Auralic Aries Mini, SBooster BOTW und Tidal Streaming


Der Auralic Aries Mini ist der ideale Einstieg ins Streaming. Der Wandler mit Sabre-9018-Chip klingt wirklich überzeugend, die Inbetriebnahme und Bedienung ist dank Lightning DS geradezu vorbildlich einfach, und mit dem SBooster BOTW P&P Eco inklusive SBooster Ultra macht der Mini auch in High-End-Ketten eine hervorragende Figur. Das alles für 500 respektive 800 Euro: verboten gut, verboten günstig!


Dave Clark's review of the Auralic Aries and our 15-16V BOTW P&P ECO

A small quote:

"Well compared to what I hear with the Aries via its own power supply, the SBooster really BOOSTS things in a very, very good way. Yeah, this thing works. The hype is legit."

Thanks Dave!


Post 76 Our second review in Chinese! Check it out here.

feverSound Chinese review Sbooster BOTW P&P ECO 9-10V

Our first Chinese review! From our Hong Kong/China distributor, Hong Zheng Electronics (HK) Company, we received this conclusion of the review in English:

Sbooster makes you feel safe with many safety marks clearly shown on its back. The price is competitive. But it’s definitely worth the price with all the exquisite component parts inside. In comparison with the typical linear power supply, the most unique features and the strengths of Sbooster are “dynamic” and “highs and lows extension” in its sound. It makes a big difference and you will know it immediately when you hear it!

Review Sbooster BOTW ECO voedingen

Alpha Audio heeft BOTW P&P ECO voedingen getest op de Auralic Aries Femto music streamer, Musical Fidelity MX DACSony PHA-3AC dac/hoofdtelefoonversterker en een Netgear switch



De Sbooster is een uitstekende upgrade voor menig d/a-converter, streamer of wellicht laptop, nuc of voorversterkertje. De mogelijkheden zijn legio. En dat voor een erg interessante prijs: 250 euro. Menig kabel kost meer dan dat!

Lees hier op de Facebookpagina van art's excellence de conclusie van hun testen van de Arcam irDAC en de Chord 2Qute met onze 12-13.2V BOTW P&P ECO en 12V Sbooster Ultra. 



Bij de Arcam irDAC gaf de Sbooster een opmerkelijke toename van transparantie in het laag, de ruimtelijke afbeelding werd groter en de detailweergave kreeg een hogere mate van verfijning. Bij de Chord 2Qute DAC was het verschil zelfs nog groter. Ook hier viel de veel betere doortekening van het laag op, maar waar ik echt van omviel was de betere timing en de toename van rust, vloeiendheid en ruimtelijke weergave. Het Sbooster Ultra filter (dat los verkrijgbaar is omdat het niet in combinatie met elk apparaat kan worden gebruikt) gaf bij de Chord 2Qute een extra verfijning die mij bijna ‘analoog’ in de oren klonk.

Lees hier het volledige artikel van Max Delissen.


Alpha-Audio ReviewsReview van de Musical Fidelity MX-Dac met een 5V-6V BOTW P&P ECO


De MX-DAC schiet met scherp en zeker in de juiste opstelling - dus met Sbooster voeding - speelt hij de sterren van de hemel. U moet dat extraatje er helaas wel bij aanschaffen. Maar dat maakt de belevenis er niet minder om.

Met de DSD ondersteuning is het een goede investering. Zeker als je in deze prijsklasse naar de alternatieven kijken. De MX-DAC is zonder twijfel een heel mooie, verantwoorde, muzikale toevoeging voor je systeem.


HifiStatement Review Test: Auralic Aries und SBooster BOTW P&P eco


Der Auralic Aries gefällt uneingeschränkt, musikalisch wie auch von seinen Anschlussmöglichkeiten. Gegenüber meiner Computer-Alternative machte der Streamer klanglich die bessere Figur. Richtig aufgeblüht und noch näher an der Wahrheit spielt er mit dem Netzteil-Set von SBooster. Gemeinsam bilden sie eine überzeugende Einheit zu der noch der optimale DA-Wandler kombiniert werden darf.


Reviews BOTWS-products


Novo-Musica review

Einsnull magazine oktober 2010

Sbooster, enjoy more music.............