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  2. Author Archives: Marcus Carlsen

Marcus Carlsen

Marcus Carlsen is an avid audiophile with a deep passion for hi-fi systems, high-end headphones, and premium speakers. Marcus constantly explores the latest audio technologies and equipment, from precision-engineered speakers to the finest headphones.

Latest stories

  • iFi’s 3-gram UP Play Max bypasses a source device’s native Bluetooth limitations, offering an extensive codec selection alongside gaming, call and sharing features.
    in Hi-fi

    iFi UP Play Max Unlocks More Bluetooth Codecs Over USB-C

    2026-09-24, 9:34 pm

  • Sony WH-1000XM4C Revives the Legendary XM4 With Bluetooth 6.0 and Replaceable Battery
    in Headphones

    Sony WH-1000XM4C Revives the Legendary XM4 With Bluetooth 6.0 and Replaceable Battery

    2026-09-24, 8:54 pm

  • The Sonos Ace Ultra is positioned as a flagship wireless headphone update, with direct integration into the home audio ecosystem as its defining feature.
    in Headphones

    Sonos Ace Ultra Focuses on Home Audio Integration

    2026-09-24, 8:44 pm

  • Noble’s $700 closed-back wireless flagship combines dynamic and planar drivers with ANC, high-resolution USB audio and unusually broad headset functionality.
    in Headphones

    Noble FoKus Apollo Pro Review: Hybrid Ambition Goes Wireless

    2026-09-23, 1:39 pm

  • The compact HiBy FD3 II combines dual CS4302 conversion, high-resolution USB playback, Bluetooth reception and switchable Class A or Class AB headphone amplification.
    in DAC

    HiBy FD3 II Adds Dual CS4302 DACs and Class A Power to the Desktop

    2026-09-21, 7:57 pm

  • Marshall Milton ANC combines a compact on-ear design with adaptive noise cancellation, Bluetooth 6.0, LDAC, impressive battery life and a distinctly energetic sound. With up to 80 hours of playback, replaceable components and classic Marshall styling, it offers a compelling alternative to bulkier premium wireless headphones.
    in Headphones

    Marshall Milton ANC Review: Serious ANC Headphones in a Compact On-Ear Design

    2026-09-20, 7:05 pm

  • Voxativ Streamer Combines Dual ESS DACs With High-Resolution Playback
    in Streaming

    Voxativ Streamer Combines Dual ESS DACs With High-Resolution Playback

    2026-09-20, 9:29 am

  • FiiO FT15 Brings an 800nm Diamond-Coated Diaphragm to Planar Headphones
    in Headphones

    FiiO FT15 Brings an 800nm Diamond-Coated Diaphragm to Planar Headphones

    2026-09-20, 9:02 am

  • The HA-1A Mk3 puts a fully tube-based Class A circuit, custom transformers and EL84 valves into Cayin’s most compact HA-series design.
    in Amplifiers

    Cayin HA-1A Mk3: Impressive Compact Class A Tube Headphone Amp

    2026-09-16, 6:53 am

  • Four fitted feet and an IR remote transform Naim’s rack-focused streaming amplifier into a more practical option for shelves and living-room furniture.
    in Amplifiers

    Naim’s CI-Uniti 102 Steps Out of the Rack With a New Accessory Kit

    2026-09-15, 7:47 pm

  • Noble Audio Osprey Review: Boutique Ambition in an Accessible TWS
    in Headphones

    Noble Audio Osprey Review: Boutique Ambition in an Accessible TWS

    2026-09-08, 8:35 pm

  • The Onkyo Creator GX-AiO 50, 100 and 150 combine stereo drivers, an independently amplified subwoofer and broad wired connectivity in a choice of two finishes.
    in Speakers

    Onkyo Creator GX-AiO Range Brings 2.1 Sound to Three All-in-One Systems

    2026-09-07, 9:36 pm

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History of HiFi

All History →
From Braun’s wall-mounted audio to Bang & Olufsen’s BeoCenter and Marantz’s miniature separates, compact systems changed how hi-fi could fit into everyday life.
History of HiFi

When Hi-Fi Changed Shape: The Design History of Compact Music Systems

From Braun’s wall-mounted audio to Bang & Olufsen’s BeoCenter and Marantz’s miniature separates, compact systems changed how hi-fi could fit into everyday life. More

Read the story →
How the CD transport became a high-end component in its own right—and what its rise reveals about digital audio, engineering and the changing role of physical media.
History of HiFi

When the CD Transport Became a High-End Luxury Machine

How the CD transport became a high-end component in its own right—and what its rise reveals about digital audio, engineering and the changing role…

Read the story →
Eight costly headphones reveal how dynamic, planar magnetic and electrostatic designs turned personal listening into a serious high-end discipline.
History of HiFi

When Headphones Became Complete High-End Systems

Eight costly headphones reveal how dynamic, planar magnetic and electrostatic designs turned personal listening into a serious high-end discipline. More

Read the story →
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Choosing home-cinema equipment starts with the system architecture, not the longest specification list. This guide distinguishes compact receivers,…

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Latest opinions

BK Steve
Might seem like a stripped down system, but the important parts are there. Has an AM tun…
Pioneer VSX-835: Wallet-Friendly AV Receiver with 4K Ultra…
Ben Jones
Thank you for the review. It would be good to know the power into 8ohms, the price and a…
Spec RSA-EX1000: Integrated amplifier made in Japan
David Ali
What is the price?
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Johnny
it can happen with every service-providing hifi brand. history teaching us that sony was…
Sony Is Pulling the Plug on Streaming for Some of Its Most…
Brian
I just bought this soundbar and for general TV watching I am very disappointed. Mainly b…
Yamaha SR-B30A: A simple and effective soundbar
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STEREOINDEX

In the spotlight

Canton unveils the new Vento speaker series featuring curved MDF cabinets, ceramic tweeters, ATB drivers, Dolby Atmos support, and refined audiophile sound across multiple models.

Canton Vento: A Speaker Family Built Around Form and Flexibility

The updated Canton Vento range brings a consistent combination of curved cabinet construction, ceramic high-frequency technology, ATB diaphragms,…

Read article →
Musical Fidelity M6S DAC

Musical Fidelity M6S DAC: A Versatile Digital System Hub

Whizzer W1S Over-Ear Headphones Combine Retro Design with Modern ANC

Whizzer W1S Brings Modern Endurance to a Retro Design

ATH-CKS50TW2

Audio-Technica ATH-CKS50TW2 Puts Practical Intelligence First

HiFiMan Arya Unveiled

HiFiMan Arya Unveiled Puts Openness at the Center

FiiO M23

FiiO M23 Brings Desktop Flexibility to a Portable Player

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