From Headphones to Full‑Body Resonance
Vollebak’s Sonic Jacket reframes wearable audio technology by shifting sound away from the ears and into the entire body. Instead of headphones or earbuds, the jacket embeds 180 inward-facing speakers across the torso, arms and hood, effectively turning the wearer into a human subwoofer. Each 32mm driver sits in a laser-cut housing and fires sound directly into the body rather than outwards into the room, creating a personalised sound-field that is more haptic than traditional listening. This isn’t about private playlists so much as inhabiting a frequency. Visually, the white, puffy jacket embraces its experimental nature, with exposed yellow cabling and black speaker pods that resemble a sci‑fi costume more than everyday outerwear. Positioned as the “world’s first sonic clothing,” it signals a new direction for immersive sound wearables, where body resonance speakers become central to the experience rather than a novel add‑on.

Inside the 4 Hz–20,000 Hz Frequency Chamber
At the core of the Sonic Jacket is its extreme frequency range: from 4 Hz all the way up to 20,000 Hz. That spectrum runs from sub‑bass you feel more than hear to ultrasonic territory at the upper limit of human hearing. To reach ultra‑low frequencies that tiny speakers cannot reproduce directly, the control unit can play two slightly different tones simultaneously, letting the body perceive the beat frequency between them – for example, 100 Hz and 104 Hz combining to create a 4 Hz sensation. Vollebak leans heavily into the idea that such frequencies can modulate mood and mental state, linking low‑frequency patterns with relaxation, sleep, meditation, focus and heightened attention. Whether or not every claim stands up to clinical scrutiny, the premise is clear: rather than using sound as background, the haptic feedback jacket makes frequency itself the main event, flooding the nervous system with continuous vibration.

Mood Engineering: Bioacoustics Wears a Puffer Jacket
The Sonic Jacket sits at the intersection of immersive sound wearables and bioacoustic experimentation. Vollebak frames the project around the long history of humans using rhythm, sound and vibration to alter consciousness – from meditation practices to sound baths and club culture. Here, that idea becomes literal hardware: body resonance speakers mapped across the jacket attempt to sync with or nudge brainwaves associated with alpha relaxation, theta sleep states and gamma‑linked focus. The company openly plays with extremes, suggesting experiences that range from deep calm to overwhelming sensory overload, and even joking about reactions that are too intense for public wear. It is equal parts experiment, performance art and speculative wellness device. Rather than promising clinically validated outcomes, the Sonic Jacket asks what happens when sound therapy concepts are scaled up from headphones to a full‑body frequency suit you zip yourself inside.

Control Systems: Dialing In Your Personal Sound Field
To manage all that vibration, the Sonic Jacket includes a self‑contained audio system built into a control unit. An onboard MP3 player supplies ten preset frequencies as a starting point, while a large physical dial lets wearers sweep through and experiment with different tones in real time. For deeper customisation, a Micro SD card slot can store up to 1,000 preset frequencies, turning the jacket into a programmable haptic instrument rather than a fixed gadget. Vollebak is also developing a Bluetooth‑connected app that will let users steer the frequency feed from a phone, opening the door to playlists, adaptive soundscapes and potentially third‑party content. This configuration hints at where wearable audio technology may be heading: away from simple music playback and toward software‑driven sensory environments that can be tuned, shared and iterated like any other digital platform.

Hollywood Craftsmanship and the Future of Wearable Audio
Vollebak partnered with London special effects and costume studio FBFX, known for building high‑concept suits for major science‑fiction films, to turn the Sonic Jacket from idea into functioning prototype. That heritage is visible in the construction: it deliberately looks like a lab experiment, with external wiring and speaker housings celebrated rather than hidden. The brand positions the jacket as concept‑grade futurewear rather than a mass‑market product; it is available only via enquiry, with price on application, underscoring its status as experimental hardware. Still, the design points toward a broader shift in wearable audio technology, where garments become active, responsive interfaces and haptic feedback jackets offer new channels for sensory design. As headphones reach maturity, the Sonic Jacket suggests the next frontier may not be higher fidelity at the ear, but deeper integration with the body itself as a living resonance chamber.

