The Harman Kardon Harman Kardon Onyx Studio 7 embodies the Harman Kardon tradition of combining exceptional audio engineering with premium industrial design, producing a product that delivers rich, natural sound while serving as an elegant centrepiece in any home or office environment. 50W RMS, Bluetooth 5.0, IP67 waterproof, 8hr battery, USB-C charging, concave speaker design | MSRP approx. — eu.harmankardon.com is CSR-only (JS-rendered). Price from brand training data. Verify before quoting.. Harman Kardon's signature sound signature prioritises clarity, warmth, and dynamic range that faithfully reproduces the original recording, making it a preferred choice among discerning listeners who refuse to compromise on audio quality. Compatible with Bluetooth streaming from any smartphone, tablet, or laptop, it provides wireless convenience without sacrificing the acoustic character that defines the Harman Kardon brand.