Dan Clark Audio Expanse Open-Back Planar Magnetic Headphones

Vanish into the music: effortless detail, true-to-life tone, and all‑day comfort

If you crave reference-grade resolution without fatigue, holographic imaging without artificial treble glare, and a flagship that disappears on your head, Expanse was built for you. Dan Clark Audio’s open‑back statement pairs a fourth‑generation planar driver with the Acoustic Metamaterial Tuning System (AMTS) to deliver ultra‑low distortion, exquisite micro‑detail, and a natural, unforced presentation—so you hear more of the music and less of the headphone. At just 418 g with a self‑adjusting strap and vegan-suede/leather pads, Expanse invites marathon listening sessions that end only when you say so.

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Why Audiophiles Choose This Product

• • Primary Benefit: Nuanced, reference‑leaning sound with a tastefully full mid‑bass, smooth treble, wide stage, and pinpoint imaging—revealing without edge, musical without bloat. Multiple reviewers note ~neutral tonality with a slight 100–200 Hz lift for punch.
• • Technical Benefit: AMTS metamaterial acoustic network plus DCA’s 4th‑gen V‑Planar driver and TrueFlow V2 motor reduce standing waves, smooth HF response, and drive down distortion for “effortless” detail. THD is specified <0.03% (20–20 kHz at 94 dB).
• • Practical Benefit: 418 g, self‑adjusting suspension, quilted strap, and folding gimbals for a compact case—rare real‑world convenience in a true flagship.
• • Compatibility Benefit: Pure wired analog via the detachable VIVO cable, with your choice of terminations (3.5 mm, 6.35 mm, 2.5 mm balanced, 4.4 mm balanced, or 4‑pin XLR). Earcup side uses robust 4‑pin Hirose connectors favored across the DCA lineup.
• • Unique Benefit: One of the few top‑tier open‑backs combining metamaterial HF control, a large 76×51 mm planar driver, and a travel‑friendly folding chassis—so you can take reference sound anywhere.

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What’s Included

• • Expanse open‑back planar magnetic headphones
  Driver: 76 × 51 mm single‑ended planar magnetic; AMTS; TrueFlow V2.
• • VIVO cable
  Factory‑selectable termination at purchase: 3.5 mm, 6.35 mm, 2.5 mm balanced, 4.4 mm balanced, or 4‑pin XLR; 4‑pin Hirose connectors at the cups.
• • Compact zippered carrying case
• • Certificate of authenticity
• • User documentation

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Technical Specifications

Specification	Value	Notes
Product Type	Wired	Analog only, detachable VIVO cable; earcups use 4‑pin Hirose connectors.
Driver	76 × 51 mm single‑ended planar magnetic	Large diaphragm for dynamics and low distortion.
Acoustic System	AMTS + TrueFlow V2	Metamaterial network tames HF standing waves; improved airflow and motor uniformity.
THD	< 0.03% (20–20 kHz @ 94 dB)	Ultra‑low distortion for clean transients.
Driver Matching	0.25 dB (20–10 kHz, weighted)	Precise imaging and balance.
Impedance	~23 Ω (nominal)	Community and pro‑reviewer measured/quoted value.
Sensitivity	~86–87 dB/mW	Planar with low sensitivity; allows generous headroom from quality sources.
Headband	Nickel‑Titanium (Nitinol) + self‑adjusting strap	Even load distribution; no click sliders to fiddle with.
Baffle / Pads	Carbon‑fiber baffle; synthetic suede/leather pads	Soft feel, stable seal.
Weight	418 g (without cable)	Among the lightest modern flagships for extended comfort.

Notes on connectivity and use:

• Expanse is a wired, open‑back headphone. Choose the VIVO termination that matches your playback chain; balanced options are available from the factory.

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Professional Recognition

• • Awards

  • Headfonia Best Headphone – High‑End (2022).
  • Headphone.Guru Product of the Year honors (2022 editorial awards, open‑back category).

• • Reviews (highlights)

  • Headfonics and Headfonia both report a neutral/reference tuning with a tasteful mid‑bass lift and exceptional comfort and build.
  • Moon Audio’s technical overview explains how AMTS integrates waveguides and resonators to maintain top‑end clarity without harshness.

• • Heritage
  Founded by engineer Dan Clark (formerly MrSpeakers, rebranded 2019), the company builds its headphones in San Diego and holds multiple patents, including AMTS and multi‑layer damping.

• • Innovation and Patents
  Inline Acoustic Metamaterial Tuning System (patent pending 17/849,432); US Patent 10,178,459 (multi‑layer damping); US Design Patent D855,579 (teardrop design/hingeless headband).

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How It Sounds

• Signature: Neutral‑to‑natural with a touch of mid‑bass warmth, exceptionally smooth and grain‑free highs, and a wide, precisely organized stage. This is “effortless” detail retrieval that stays inviting over long sessions.
• Dynamics and imaging: The 4th‑gen motor and TrueFlow V2 enhance macrodynamic swings and micro‑contrast, while tight left/right matching locks images in place.
• Treble behavior: AMTS mitigates the HF standing waves that often cause glare, maintaining resolution without fatigue.

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Comfort and Build

• Self‑adjusting suspension strap—no sliders to set—plus soft composite pads keep clamp light yet stable. The nitinol/titanium frame is strong and springy but barely noticeable on the head.
• Folding gimbals and a compact hard case make it easy to store or travel with a bona fide flagship.

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The Bottom Line

Expanse is for listeners who want reference‑class resolution, uncolored tone, and real‑world wearability in one design. The metamaterial‑assisted treble and large, low‑distortion planar driver deliver clarity that invites longer sessions, while the feather‑light chassis and folding gimbals bring day‑to‑day practicality. If your goal is to stop thinking about the headphone and simply hear the performance, Expanse makes good on that promise.

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Notes on research and verification

• Official specifications, features, and in‑box items are confirmed from Dan Clark Audio’s product page; selectable VIVO terminations are listed at checkout. Weight and materials are also manufacturer‑stated.
• Impedance and sensitivity are reported by multiple professional reviews; DCA does not publish these values on the product page, so figures are provided as approximate.
• Awards are verified from Headfonia and Headphone.Guru’s year‑end lists.

Product type confirmation

Headphones (open‑back, wired planar magnetic).

Connectivity notes for buyers

This is a wired headphone; choose your preferred termination when ordering. Balanced cables are available from the factory; earcup connectors are 4‑pin Hirose.

Comfort assurance

418 g, self‑adjusting strap, and supple pads are engineered for extended listening comfort.