Premium Sound Meets Elegant Design. The Harman Kardon Onyx Studio 8 is a premium portable Bluetooth speaker that blends high-end audio performance with a striking, modern aesthetic. Shaped like a sleek cosmic ring, it features a distinctive, integrated anodized aluminum handle that serves as both a sturdy carrying grip and a unique design statement. Wrapped in luxurious, eco-friendly acoustic fabric made from recycled polyester thread, it functions as a piece of contemporary home decor just as much as an audio device.