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Authorized dealers for Tellurium Q Ultra Blue II Power Cable

  • 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
  • Acoustic Streams — in-store — Lower Drift, England, United Kingdom (website)
  • Alma-Audio — online and in-store — Majadahonda, Comunidad de Madrid, Spain (website)
  • Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
  • Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
  • Art et son — online and in-store — Montréal, Québec, Canada (website)
  • Assai Audio — in-store — Centro, Comunidad de Madrid, Spain (website)
  • Audio Destination — online and in-store — Tiverton, England, United Kingdom (website)
  • Audio Magic — online and in-store — Preston, Victoria, Australia (website)
  • Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)

and 56 more verified dealers

Tellurium Q Ultra Blue II Power Cable #1
Tellurium Q Ultra Blue II Power Cable variant 1
Tellurium Q Ultra Blue II Power Cable variant 2
Tellurium Q Ultra Blue II Power Cable variant 3
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Tellurium Q Ultra Blue II Power Cable variant 7

Tellurium Q Ultra Blue II Power Cable

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With lower noise, sharper focus and clearer timing, the Ultra Blue II brings music into cleaner relief. The Ear Editor heard a bigger lift in clarity and coherence, while platform81 praised its control, tonal realism and transparency. It’s a neatly judged power cable that can make a system sound more organized, expressive and quietly more accomplished.

View at Tellurium Q
Product details3 reviews & sources

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92/100
Rating for Ultra Blue II Power Cable

Deliciously Crispy

Sound Quality

93/100

Build Quality

85/100

Value for Money

95/100

Pros

Lowers the noise floor and improves clarity, making the presentation more coherent.

Adds focus and control, with stronger instrument separation and more precise imaging.

Preserves tonal realism and emotional expression while improving rhythm and timing.

Widely regarded as excellent value for money at its price point.

WATT RECOMMENDS

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Create a free HiFi Hub account to save products to your Wishlist and compare your favorites side by side.

What Reviewers Are Saying

"The Ultra Blue II just made everything sound better and not subtly either."

— The Ear

SOUND QUALITY PERFORMANCE 93/100

Reviewers consistently describe the cable as opening up the music, lowering the noise floor, and making everything sound more coherent and easier to follow. They also praise the added focus, control, transparency, and tonal realism, with clearer instrument separation and more expressive vocals.

Transparency Resolution

96/100

The reviews repeatedly emphasize lower noise, greater clarity, and a more transparent presentation. One reviewer says it 'clarified everything' and made spoken word and music more coherent and digestible, while another heard 'tonal realism and transparency' with more information coming through cleanly.

Tonal Balance Musicality

92/100

Reviewers hear more natural instrumental identity and better tonal distinction, rather than a generic smoothing effect. They mention greater nuance in vocals, firmer bass, and a presentation that lets the music 'shine through' with improved rhythm and timing.

Dynamics

91/100

The cable is described as bringing better control, firmer bass, and more effective musical drive. Reviewers highlight improved timing, stronger focus, and greater impact from percussive details, though the comments are more about grip and liveliness than brute-force power.

Soundstage Imaging

93/100

The image is described as tidier, more separated, and easier to parse, with vocals opened up from the backing music. Reviewers note more distinct placement of instruments and a more emotionally communicative vocal presentation.

Assessments of Build Quality, Usability, and Overall Propositions.

Build Quality

85/100

The reviews focus on sonic changes rather than construction, so there is little direct commentary on build quality. The discussion does indicate a clearly intentional redesign over the original model, but the reports do not provide much detail about materials, durability, or mechanical execution.

Value for Money

95/100

Value is discussed very positively. One review calls it a 'giant killer' and both reviews frame it as tremendous value at its price point, suggesting it competes strongly against pricier alternatives.

Reviews & Sources

Professional reviews and sources for this product's Watt'n Potatoes analysis.

Online Reviews & Mentions

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Manufacturer's Description — Tellurium Q

Ultra Blue II looks pretty much exactly the same as the old Ultra Blue except for the “II” denoting the new generation cable. Plug in a burnt in Ultra Blue II after the old version and you will hear within seconds why we have upgraded this cable. The sound is fuller, more organic and better balanced in the whole range. The top end detail is still the same but everything else has risen to that performance level.


Warm and forgiving for systems with a slight edge or for those who like a more smooth laid back presentation. Blue and Ultra Blue are especially good for AV and home cinema.


Smooth, fine detailed and great resolution while actually reducing apparent harshness. Music is presented as a coherent, organic whole, with a jaw-dropping sense of realism and naturalness.


Totally uncoloured, acting as a wide open channel sounding unforced, vivid and dynamic with phenomenal resolution, transparency and natural tonal colours. All this while sounding extremely analog and coherent, from the exceptional top end extension to bottom with finely detailed, separated bass notes.

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Verified Dealers

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Authorized dealers for Tellurium Q Ultra Blue II Power Cable

  • 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
  • Acoustic Streams — in-store — Lower Drift, England, United Kingdom (website)
  • Alma-Audio — online and in-store — Majadahonda, Comunidad de Madrid, Spain (website)
  • Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
  • Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
  • Art et son — online and in-store — Montréal, Québec, Canada (website)
  • Assai Audio — in-store — Centro, Comunidad de Madrid, Spain (website)
  • Audio Destination — online and in-store — Tiverton, England, United Kingdom (website)
  • Audio Magic — online and in-store — Preston, Victoria, Australia (website)
  • Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)

and 56 more verified dealers

110Hz logo
Acoustic Streams logo
Alma-Audio logo
Alpha High End logo
Analogue Seduction logo
Art et son logo
Assai Audio logo
Audio Destination logo
Audio Magic logo
Audio Magic - EU logo