Headphones
Headphones
This video documents the co-creation process behind the sound tuning of the WF-1000XM6 true wireless earbuds, developed in collaboration with four highly respected mastering engineers in the United States: Chris Gehringer and Randy Merrill from Sterling Sound, Michael Romanowski from Coast Mastering, and Mike Piacentini from Battery Studios, with a female voiceover explaining the sound tuning process.
After a brief overview, the video cuts to New Jersey, andSterling Sound, inside a professional mastering studio. The atmosphere is quiet and focused as the engineers listen carefully to music through the WF-1000XM6 earbuds. Their initial reactions are subtle but emotional, expressed through short remarks and attentive expressions. The setting emphasises the seriousness of the evaluation, with the earbuds being tested in the same environment where commercial music is professionally mastered.
As the scene unfolds, interviews begin to interweave with the listening sessions. Chris Gehringer speaks about the importance of accurate sound reproduction and explains what mastering engineers listen for when evaluating audio quality. A Sony audio engineer then shares Sony’s philosophy behind the sound design of the WF-1000XM6, describing the intention to reproduce music exactly as the artist intended, without exaggeration or artificial colouring. Randy Merrill adds his perspective, reflecting on the value of open dialogue between engineers and explaining that the tuning process felt very similar to how he would approach a mix received for mastering. He describes how detailed conversations about tone, balance, and emotional impact helped shape the final sound of the WF-1000XM6.
Through these interviews, the meaning of co-creation becomes clear. The video conveys not only technical discussions about frequency balance and clarity, but also thoughtful exchanges about how music should feel to the listener. The collaboration is shown as a shared effort, with both Sony engineers and mastering engineers contributing equally to refining the sound.
After completing the tuning sessions in the United States with all four mastering engineers, the video transitions to Sony’s headquarters, where final sound tuning takes place. Here, Sony engineers are shown carefully adjusting the earbuds while incorporating the feedback and opinions gathered during the US sessions. The environment shifts from the mastering studio to Sony’s development facilities, highlighting the final stage of refinement.
The video then focuses on Michael Romanowski from Coast Mastering, who visits Sony headquarters to evaluate the final sound of the WF-1000XM6. He listens attentively and shares his impressions in an interview, confirming how the collaborative process has been reflected in the finished sound. His presence reinforces the continuity between the US tuning sessions and the final approval stage in Japan.
In the closing sequence, the video returns to interview footage from Chris Gehringer at Sterling Sound, a Sony audio engineer, and Mike Piacentini from Battery Studios. Each reflects on the collaboration and the outcome of the project. The video concludes with Chris Gehringer’s final comments, summarising the significance of the co-creation process and expressing confidence in the sound quality achieved.
The video ultimately presents the WF-1000XM6 earbuds as a product shaped through deep collaboration between Sony and leading mastering engineers, bridging professional studio standards and everyday listening experiences.
The video ends with white WF-1000XM6 earbuds floating on a white background, then slowly morphing into the black version of the earbuds with the title “WF-1000X M6 Wireless Noise Cancelling Earbuds”, following by the animated “For The MUSIC” and Sony logos.