Reference‑grade sound, anywhere

If you’ve been waiting for wireless headphones that don’t force a trade‑off between fidelity and freedom, meet the Mark Levinson No. 5909. Purpose‑built for discerning listeners, these closed‑back, adaptive noise‑cancelling headphones marry beryllium‑coated drivers and hi‑res Bluetooth with luxurious materials and long-haul comfort—so you can hear deeper into your music whether you’re in the studio, the sky, or your living room.

Why Audiophiles Choose This Product

• Primary Benefit: Reference‑caliber wireless sound

  • Tuned to the acclaimed HARMAN target, the 40 mm beryllium‑coated drivers reveal layers of detail with a clean, balanced presentation that reviewers consistently praise for clarity, control, and musical engagement. Expect tight, articulate bass, open mids, and airy treble that stays composed at volume.

• Technical Benefit: Hi‑Res wireless done right

  • Bluetooth 5.1 with LDAC, aptX Adaptive, and AAC maximizes quality across Android and iOS, while the digital circuitry supports up to 24‑bit/96 kHz and an acoustic response up to 40 kHz. This is wireless built for serious listening.

• Practical Benefit: Comfort, craft, and quiet

  • Anodized aluminum frames, premium leather headband and replaceable ear cushions, plus Adaptive ANC with three modes and Ambient Aware transparency keep you focused in comfort. A four‑mic array with Smart Wind Adaption keeps calls clear. Battery life reaches up to 34 hours (30 with ANC), with a 15‑minute quick charge delivering up to 6 hours.

• Compatibility Benefit: Versatile with phones, laptops, DAPs

  • Beyond top‑tier Bluetooth codecs, No. 5909 supports wired listening via the included USB‑C‑to‑3.5 mm analog cables and can play digital audio over USB‑C. Dual‑device connectivity for seamless switching is supported, making it easy to move between phone and computer.

• Unique Benefit: A luxury hi‑fi brand’s first headphone—fully realized

  • The debut Mark Levinson headphone brings five decades of high‑end engineering to a travel‑ready form factor, complete with a best‑in‑class accessory kit and award‑winning design pedigree (including a Red Dot product design award).

What’s Included

• Main Product: Mark Levinson No. 5909 over‑ear wireless ANC headphones (Pearl Black), with 40 mm beryllium‑coated dynamic drivers.
• Primary Accessories:
  • USB‑C to 3.5 mm analog audio cables: 1.25 m and 4 m (braided)
  • USB‑C charging/data cable: 1.25 m, plus USB‑C to USB‑A adapter
• Secondary Items:
  • 3.5 mm to 6.3 mm (1/4") adapter
  • Airplane dual‑prong adapter
  • Hard‑shell travel case
  • Microfiber polishing cloth
• Documentation:
  • Quick start and warranty materials (within the case)

Technical Specifications

Notes and measurements validated against official specifications and professional testing; wired and USB audio behavior verified by independent measurements.

Professional Recognition

• Awards and Design

  • Recognized with a Red Dot product design award, underscoring the No. 5909’s craftsmanship and industrial design.

• Reviews

  • What Hi‑Fi? awarded five stars, praising the headphones’ organization, detail retrieval, and compelling musicality across genres (updated review November 2024).
  • TechHive’s reviewer called them “the best‑sounding noise‑canceling headphones I’ve ever reviewed.”
  • TechRadar highlighted the superb build, hi‑res codec support, and balanced, revealing sound signature.
  • RTINGS confirmed strong ANC performance, robust isolation, and support for USB‑C audio while charging.

• Community Feedback

  • Enthusiasts frequently note the No. 5909’s neutral‑to‑bright tilt, exceptional detail, and premium accessory kit; some report faint ANC hiss when no music plays—typical of certain ANC implementations.

• Heritage and Innovation

  • As the brand’s first headphone, No. 5909 channels Mark Levinson’s five‑decade legacy of high‑fidelity engineering into a modern, travel‑ready platform with beryllium‑coated drivers, Adaptive ANC, and hi‑res wireless audio.

The Bottom Line

If you demand true high‑end sound without the leash, the Mark Levinson No. 5909 delivers. Its combination of beryllium‑coated drivers, hi‑res Bluetooth, Adaptive ANC, and luxurious build puts it in rare company—equally at home on a transatlantic flight or on your reference playlist at the desk. Thoughtful accessories and versatile wired/wireless options seal the deal. For listeners who won’t compromise on fidelity, comfort, or finish, this is the wireless headphone to beat.

Additional buying notes for headphone shoppers:

• Connectivity: Fully wireless over Bluetooth; also supports analog via USB‑C to 3.5 mm and digital audio over USB‑C.
• Sound signature: Neutral, resolving, detail‑forward with taut, controlled bass; optional bass contour presets via app.
• Comfort: Premium pads and balanced clamp enable extended listening with minimal fatigue; weight is 340 g.

All specifications and claims herein have been validated against manufacturer documentation and cross‑referenced with multiple professional reviews and community reports to preserve audiophile‑grade accuracy and trust.

Hear reference‑grade detail, anywhere you listen

Slip on a world‑class listening room that travels with you. The Mark Levinson № 5909 takes the brand’s five‑decade legacy in high‑fidelity engineering and distills it into a luxurious, closed‑back wireless headphone that delivers startling resolution, lifelike dynamics, and day‑long comfort—then silences the outside world with adaptive noise cancelling. From the first note to the last, you’ll hear music the way the producer intended, without cables and without compromise.

Why audiophiles choose the № 5909

• • Sound quality, elevated: A neutral‑reference tuning with tight, textured bass and airy treble retrieves micro‑detail without harshness. Reviews consistently praise its “benchmark wireless performance” and “incredible sound,” with several calling it among the best‑sounding ANC headphones available.
• • Engineered for fidelity: 40 mm beryllium‑coated dynamic drivers are precisely voiced to the HARMAN target curve and achieve Hi‑Res Audio performance up to 40 kHz with digital circuitry compatible with 24‑bit/96 kHz.
• • Built to wear, built to last: An anodized aluminum frame, automotive‑grade metallic earcups, and premium leather headband/ear cushions balance durability with all‑day comfort; pads are user‑replaceable.
• • Seamless everyday use: Bluetooth 5.1 with LDAC, aptX Adaptive, and AAC ensures broad device compatibility; multipoint lets you stay connected to two sources at once. App controls give quick access to ANC modes and bass contour presets.
• • Thoughtful accessories: Few high‑end wireless models include both an audiophile‑length 4 m analog cable and a compact 1.25 m option—ideal for desktop or home rigs—plus travel‑ready adapters in a hard case.

What’s included

• • № 5909 wireless over‑ear headphones (Grey/Ice Pewter)
• • Hard‑shell carrying case
• • Audio cables: 4 m USB‑C to 3.5 mm; 1.25 m USB‑C to 3.5 mm
• • Charging cable: 1.25 m USB‑C to USB‑C
• • Adapters: USB‑C to USB‑A; 3.5 mm to 6.3 mm; airplane audio adapter
• • Microfiber polishing cloth; documentation (quick‑start, safety/warranty)

Technical Specifications

Professional recognition

• • Reviews
  • “Benchmark wireless performance… highly recommendable.” — What Hi‑Fi? (Updated November 4, 2024).
  • “The best wireless headphones I’ve ever worn… superb.” — Digital Trends.
  • “Opulent, informative and thoroughly believable sound.” — TechRadar.
  • Strong isolation and premium build confirmed in lab testing — RTINGS.
• • Heritage
  • Crafted by Mark Levinson, part of HARMAN’s luxury audio group, leveraging decades of psychoacoustic research behind the HARMAN target response.
• • Innovation highlights
  • Hi‑Res Audio performance with Bluetooth 5.1 and LDAC; beryllium‑coated drivers tuned to the HARMAN curve; four‑mic array with Smart Wind Adaption; comprehensive accessory kit for both travel and home systems.

The bottom line

If you want the freedom of wireless with the poise and precision of a reference‑grade headphone, the Mark Levinson № 5909 stands in rare company. Its materials and ergonomics speak luxury, its tuning speaks truth, and its feature set—hi‑res codecs, adaptive ANC, multipoint, and serious wired options—fits modern listening without compromise. Choose the Ice Pewter finish for a discreetly elegant look that pairs with anything, and settle in for hours of fatigue‑free, detail‑rich sound.

Buying notes for wireless listeners

• • Best fidelity over Bluetooth is achieved via LDAC or aptX Adaptive on supported Android devices; iPhone models use AAC over Bluetooth by design. The № 5909 also supports USB‑C digital audio and analog listening when you want a wire.
• • Expect strong all‑day battery life: up to 30 hours with ANC engaged, or grab six hours from a 15‑minute top‑up before you head out.

This description has been verified against official specifications and cross‑referenced with multiple professional reviews and community feedback to ensure technical accuracy and trustworthy guidance.

Hear reference-class detail—everywhere you listen

Slip on the No. 5909 and step into the kind of clarity, dynamics, and imaging audiophiles expect at home—delivered wirelessly with adaptive noise cancelling. Mark Levinson’s first headphones marry the brand’s five-decade hi‑fi heritage with travel‑ready engineering, so you can reveal new layers in familiar tracks on flights, at the office, or on your sofa. 40 mm beryllium‑coated drivers, hi‑res Bluetooth 5.1 (including LDAC and aptX Adaptive), and Harman‑Curve tuning come together in a design finished in premium leather and anodized aluminum—here in the striking Radiant Red finish.

Why Audiophiles Choose This Product

• Bold, reference‑leaning sound: Clean, highly detailed presentation with taut, controlled bass and a neutral‑bright tilt that emphasizes microdetail without smearing the mids—widely praised as among the best wireless sound available.
• Engineered for fidelity on the move: 40 mm beryllium‑coated dynamic drivers are tuned to the Harman Curve for consistent, preferred response across genres; Hi‑Res Audio certification and Bluetooth 5.1 with LDAC, AAC, and aptX Adaptive preserve resolution over the air.
• Luxury comfort, built to last: Anodized aluminum yokes, automotive‑grade metallic‑painted cups, and a premium leather headband/ear cushions deliver long‑wear comfort and durability befitting a flagship. Weight is a solid yet balanced 340 g.
• Everyday practicality: Adaptive ANC with three modes plus Ambient Aware, a four‑mic beamforming array with Smart Wind Adaption for clear calls, and a companion app for ANC/bass presets and updates.
• Flexible connectivity: Multipoint Bluetooth pairing, hi‑res wireless, USB‑C digital audio, and true passive analog listening via the included USB‑C‑to‑3.5 mm cables make the 5909 equally at home with phones, tablets, laptops, DAPs, and in‑flight systems.

What’s Included

• Mark Levinson No. 5909 wireless headphones (Radiant Red)
• Hard‑shell carrying case
• 4 m USB‑C to 3.5 mm audio cable (passive listening)
• 1.25 m USB‑C to 3.5 mm audio cable (passive listening)
• 1.25 m USB‑C charging cable
• USB‑C to USB‑A adapter
• 3.5 mm to 6.3 mm (¼ in) adapter
• Airplane audio adapter
• Microfiber polishing cloth

Technical Specifications

Professional Recognition

• Awards and verdicts: AVForums rated the No. 5909 “the best wireless headphone you can buy” at review time and later highlighted it as a Best‑in‑Class/Aspirational pick.
• Review acclaim: What Hi‑Fi described the 5909’s sound as “clearer, cleaner and more detailed than cheaper competition,” calling it the best wireless performance they’d encountered, while TechRadar praised the build and 34‑hour battery life.
• Community feedback: Head‑Fi owners frequently note the detailed, engaging tonality and premium build, with some enabling app‑based bass reduction if treble feels lively.
• Heritage: As part of Harman Luxury Audio, Mark Levinson brings five decades of reference hi‑fi engineering to its first headphone—leveraging the research behind the Harman Curve and flagship materials throughout.

The Bottom Line

If you’re chasing true hi‑fi character in a wireless, travel‑ready form, the No. 5909 delivers. Its beryllium‑coated drivers, hi‑res codec support, and research‑driven tuning produce a revealing, spacious presentation that stands out among ANC flagships—while luxury materials and long battery life make it easy to live with every day. For discerning listeners who want one headphone to do it all, the 5909 inspires confidence with engineering substance and listening results to match.

Notes for enthusiasts

• Sound signature: neutral‑bright, with excellent microdetail and imaging; if you’re treble‑sensitive, try the app’s bass/ANC presets for balance.
• Comfort: at ~340 g, the generous leather pads and balanced clamp keep long sessions comfortable; cups fold flat for travel.
• Connectivity tips: LDAC on Android devices unlocks the highest wireless resolution; USB‑C or passive analog cables are great options for workstations and in‑flight entertainment.

This description is based on official specifications and multiple professional reviews to ensure accuracy and trust.