Reviewers Mono & Stereo

Mono&Stereo: Silver III Speaker Cable

As this review makes clear, the Silver III represents a significant step forward, offering more than just noticeable improvements across multiple aspects of performance.

“Unlike many high-end audio cables, regardless of price, the Silver III does not struggle with the balance between accuracy and musicality; instead, it fuses them into a seamless harmonic entirety.

Tellurium Q’s presence and recognition are driven primarily by the impact of its products, which, regardless of range, always set a challenging benchmark for others to meet – demonstrating comprehensive cleverness and thoughtfulness.

When research and design create real-world impact, great high-end audio cables are distinguished from mediocre ones, and under Geoff Merrigan’s direction, Tellurium Q has gradually and consistently set itself apart in the vast and saturated audio cabling market.

For what they represent on so many levels – challenging conventions, but especially for their performance and highly enticing musicality – I am more than happy to grant Tellurium Q a 2026 Mono & Stereo Best Buy Product award.”

– Matej Isak, Mono&Stereo

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Tellurium Q2026-06-24T11:39:29+01:00Tags: Silver Speaker Cable, Silver XLR Cable|

Mono & Stereo: Statement Power Cable

“Tellurium Q Statement cables managed to forge extreme transparency with the unprecedented organic flow….
With any high-end audio cable, one can be too quickly trickled into the phenomena of an initial emotional impression impact. This is still sadly associated with too many high-end audio cables on the market. In reality, this tricky-exuberant effect starts to echo off almost as instantly as it was introduced in the first place. Tellurium Q Statements differs by far in this regard. There is no after effect, no aural morphing, no big waving of emotional impressions. Just a steadily verisimilitude!

Tellurium Q Statements deliver the authority, sonic VR alike holographic nature, captivating relief soundstage structure, pinpointed three-dimensionality and finely micro/macro dynamics.

All that in the absence of the sonic smear, subtle distortion and with the high definition amount of acoustical focus points!? Yes Tellurium Q Statements truly deliver an extreme resolution without introducing the clinical and analytical momentum too often associated even with the most exotic top tiers…
Their stand out, extraordinary performance are more than worthy of the 2019 Editor Choice Award!”

– Matej Isak, Mono & Stereo

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Tellurium Q2026-02-05T19:09:31+00:00Tags: Statement Power Cable|

Mono & Stereo: Statement XLR Cable

“Tellurium Q cables have found their way onto the market and into the homes of some of the world’s most discerning customers for several reasons. First and foremost, they take music to realms that were not possible at their price point.

The Statement II version has a subliminal potency that punctures deeper into the realms of music, unfolding new details and bringing everything down to an impressive level of quietness and transparency. Added to this is a newfound dynamic scope that allows the music to unfurl with greater dynamism from the quietest passages to the thundering crescendos. The Tellurium Q Statement MK2 delivers a level of micro- and macro-dynamics that far exceeds what I expected for this upgrade.

There’s currently no shortage of high-quality, high-performance audio cables, and Tellurium Q delivers one of the most enticing options in terms of performance and price with the new, updated MK2 versions of the Statement cable line.”

– Matej Isak, Mono and Stereo

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Tellurium Q2026-01-30T14:11:50+00:00Tags: Statement XLR Cable|

Mono & Stereo: Statement XLR Cable, RCA

“Tellurium Q Statements are no usual cable affair and if I’ve called the Silver Diamonds an Emotional Tour de Force what are then the Tellurium Q Statements!? Well, they certainly transcend any typical labeling and this time I’m elevating them on the throne, that they clearly deserve. Their stand out, extraordinary performance can only be recognized with the 2018 Editor Choice Award!”

– Matej Isak, Mono & Stereo

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Tellurium Q2026-02-04T12:21:29+00:00Tags: Statement Digital RCA Cable, Statement RCA Cable, Statement XLR Cable|

Mono & Stereo: Statement Speaker Cable

“Tellurium Q cables have found their way onto the market and into the homes of some of the world’s most discerning customers for several reasons. First and foremost, they take music to realms that were not possible at their price point.

The Statement II version has a subliminal potency that punctures deeper into the realms of music, unfolding new details and bringing everything down to an impressive level of quietness and transparency. Added to this is a newfound dynamic scope that allows the music to unfurl with greater dynamism from the quietest passages to the thundering crescendos. The Tellurium Q Statement MK2 delivers a level of micro- and macro-dynamics that far exceeds what I expected for this upgrade.

There’s currently no shortage of high-quality, high-performance audio cables, and Tellurium Q delivers one of the most enticing options in terms of performance and price with the new, updated MK2 versions of the Statement cable line.”

– Matej Isak, Mono and Stereo

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Tellurium Q2026-01-22T10:03:52+00:00Tags: Statement Speaker Cable|

Mono & Stereo: Statement Speaker Cable, RCA, XLR

“Tellurium Q Statement cables managed to forge extreme transparency with the unprecedented organic flow…
With any high-end audio cable, one can be too quickly trickled into the phenomena of an initial emotional impression impact. This is still sadly associated with too many high-end audio cables on the market. In reality, this tricky-exuberant effect starts to echo off almost as instantly as it was introduced in the first place. Tellurium Q Statements differs by far in this regard. There is no after effect, no aural morphing, no big waving of emotional impressions. Just a steadily verisimilitude!

Tellurium Q Statements deliver the authority, sonic VR alike holographic nature, captivating relief soundstage structure, pinpointed three-dimensionality and finely micro/macro dynamics.

All that in the absence of the sonic smear, subtle distortion and with the high definition amount of acoustical focus points!? Yes Tellurium Q Statements truly deliver an extreme resolution without introducing the clinical and analytical momentum too often associated even with the most exotic top tiers…

Their stand out, extraordinary performance are more than worthy of the 2019 Editor Choice Award!”

– Matej Isak, Mono & Stereo

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Tellurium Q2026-02-04T12:19:13+00:00Tags: Statement Digital RCA Cable, Statement RCA Cable, Statement Speaker Cable, Statement XLR Cable|

Mono & Stereo: Silver Diamond USB

“Within the realm of USB audio cable performance, the Silver Diamond USB cable quickly established itself as a new reference by which all others will be measured.”

– Mono & Stereo

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Tellurium Q2025-11-04T15:04:16+00:00Tags: Silver Diamond USB Cable|

Mono & Stereo: Ultra Silver XLR

“Compared with the original Ultra Silver, the Ultra Silver II revealed another layer of complexity to the already well-established and intricate reproduction of the recording.

…the Ultra Silver II creates an emotion-driven experience unlike many of its peers…. the Tellurium Q Ultra Silver II doesn’t need much explanation when inserted into an audio system, as its impact is instantly recognizable, even to an untrained ear…

There’s something extraordinary, a familiar cohesiveness that runs throughout the Tellurium Q portfolio. The music comes together naturally, without restriction on flow or hindrance to its rawness…

In context, the Tellurium Q Ultra Silver II cables are exceptionally brilliant for the money, entirely focused on the singular joy of connecting with the music. They enable a rare, engaging experience that draws the listener into a state-of-the-art, high-resolution, fatigue-free interaction with the source material.”

– Mono & Stereo

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Tellurium Q2026-02-10T10:34:54+00:00Tags: Ultra Silver Speaker Cable, Ultra Silver XLR Cable|

Mono & Stereo: Black Diamond XLR

“When I first decided to write to you about your Black Diamond Cables (bi-wired speaker and XLR interconnect) I had accumulated about 100 hours of listening time, but held off because the sound quality kept on improving. Even now after about 300 hours, it’s amazing and hard to believe, the sound keeps improving getting richer, lusher and more resolute as the hours accumulate.

My B&W 802D’s have never been happier, responding much faster than ever before!

I would like to thank you and the design team in Langport for doing such a great job developing the Black Diamond series of cables. Your attention to detail and pushing the state-of-the-art is greatly appreciated!

Good cables do matter!!!!

Thank you”

– Jim Rooney, Boston, Massachusetts, USA

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Tellurium Q2026-02-06T11:24:30+00:00Tags: Black Diamond XLR Cable|

Mono & Stereo: Black Diamond XLR

“If there is such a thing as a completely neutral interconnect, then the Tellurium Q Black Diamond probably fits this description like no other cable.”

– Matej Isak, Mono and Stereo

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Tellurium Q2025-11-03T12:42:11+00:00Tags: Black Diamond XLR Cable|