High Fidelity, Anywhere:
Engineering cinema-quality sound for a mobile world.
Design for Manufacturing (DFM)
Ergonomics & Human Factors
Structural Optimization
Material Strategy
As the Industrial Design Lead, I led the physical definition of the Trulli Subwoofer, tasked with solving a paradoxical challenge: delivering massive acoustic performance in a package light enough for daily travel. The development process required a rigorous synthesis of ergonomics, aesthetic strategy, and structural optimization—translating complex acoustic requirements into a cohesive, user-centric form.
The result is the Trulli Portable Subwoofer: a lightweight, ruggedized audio companion that balances strict DFM realities with a premium tactile experience, proving that high performance doesn't require high mass.
Sketch development was driven by the challenge of 'mobility with presence.' The goal was to create a form factor that integrated seamlessly with the client's existing lineup but stood apart as a unique, iconic statement. We explored ergonomic geometries to maximize portability, ultimately synthesizing a shape that is easy to carry but impossible to ignore.
Transitioning from sketch to CAD, the focus shifted to rigorous weight reduction. To meet aggressive portability targets without compromising acoustic performance, we engineered an internal ribbing architecture that maximizes chassis rigidity with minimal material usage. Every wall section was optimized to contain high internal pressure, ensuring that the lightweight form factor delivers heavy-hitting sound without resonance or vibration.
Modal Analysis: Simulation of natural frequencies to ensure the enclosure remains acoustically inert. By pushing resonant modes outside the driver’s operating range, we eliminated potential buzzing and harmonic distortion.
Durability Testing: Simulating accidental drops to validate the ruggedized design. We stress-tested the housing to ensure the subwoofer serves as a reliable travel companion, not just a delicate piece of electronics.
Design for Manufacturing (DFM) drove the internal layout. We approached the assembly as a holistic system, optimizing component nesting to reduce overall volume while maintaining structural rigidity. By consolidating parts and refining the fastener strategy, we created a robust, vibration-free assembly that simplifies production without compromising the seamless exterior aesthetic.
While a pivot in corporate strategy prevented the Trulli Subwoofer from hitting retail shelves, the project stands as a successful case study in rigorous product development. It successfully cleared all design and engineering gates, proving that high-fidelity audio can indeed be rugged, lightweight, and beautiful.
