ATH-M50x ENSO -2025 limited-edition “ENSO” Professional Monitor Headphones

To celebrate the 10th anniversary of the iconic ATH-M50x, Audio-Technica introduces the 2025 limited-edition “ENSO” headphones—an elegant return to the original all-black style with a refined artistic twist. Inspired by the Japanese Enso circle, a single brushstroke symbolizing life’s cyclical nature, the design features custom engravings on the signature earcup rings and headband sliders, merging sumi-ink brush textures with audio frequency waves.

Each matte-black pair is individually numbered and presented in exclusive campaign packaging. With only 5,000 units available worldwide, fans may also uncover a special postcard inside, granting them a chance to win a premium ENSO accessories kit, including a custom headphone case and a handcrafted furoshiki cloth dyed in Kyoto by the artisans of Bamba.

Technical Specifications

• Headphone Design: Closed-back, over-ear
• Drivers: 45 mm large-aperture units with rare-earth magnets
• Frequency Response: 15 Hz – 28,000 Hz
• Maximum Input Power: 1,600 mW at 1 kHz (same performance as standard ATH-M50x)
• Sensitivity: 99 dB
• Impedance: 38 Ω
• Connectivity: Detachable-cable system (three cables included in the regular M50x kit)

Special Edition Highlights

• Design Concept: “ENSO” — drawing from the Japanese calligraphy circle that represents continuity and creative evolution
• Finish: Matte black with custom sumi-ink-inspired engravings along the earcup rings and headband sliders
• Serial Numbering: Unique engraved number on every unit
• Presentation: Exclusive collector’s box featuring ENSO campaign artwork

Limited-Edition Accessories

ENSO Prize Kit (Random Insert Giveaway)

• Custom protective headphone case
• Authentic hand-dyed Japanese furoshiki cloth, crafted in Kyoto by the historic Bamba workshop
• 200 packages include a special winning postcard granting access to the kit

Dimensions & Weight

• Weight: Approx. 285 g (without cable)
• Included Cables: Straight and coiled detachable cables ranging from 1.2 m to 3.0 m

10th Anniversary Special Edition

A commemorative model marking a decade since the legendary ATH-M50x first debuted in 2014.

ENSO Concept

Inspired by the Japanese enso circle—an artistic gesture that embodies continuity, creativity, and the flow of life.

Classic Black, Elevated

A fresh take on the original monochrome style, enhanced with subtle new visual accents.

Artful Detailing

Features finely etched sumi-style brush textures across the earcup rings and headband components, paired with wave-like audio motifs.

Individually Numbered

Every unit in this 5,000-piece production run carries its own engraved serial number.

Collector-Focused Presentation

Packaged in an exclusive box design created solely for this anniversary edition.

Limited-Run Prize Opportunity

Randomly inserted postcards (200 total) offer a chance to claim a premium ENSO accessory set—including a custom case and a hand-dyed furoshiki cloth produced in collaboration with Bamba, a historic Kyoto textile workshop with more than 110 years of craftsmanship.