2 Years Local Warranty. Boasting an impressive assembly of eight cutting-edge multi-technology drivers including Sonion electrostatic drivers, Knowles BA drivers, a custom 10mm dynamic driver and a PZT bone conductor. The onyx is a symphony of precision, power, and clarity. A custom 10mm dynamic driver provides a powerful and controlled bass response, and the ante-chamber design ensures a visceral bass experience. Mids and highs are flawlessly rendered by four Knowles BA drivers, and dual Sonion electrostatic drivers combined with a PZT bone conductor, provide a spacious and immersive soundstage that captures the essence of every note with precision. The Onyx shell is precision CNC'd aluminium for durability and rigidity, with a Raffir composite faceplate, and stainless steel wax guard. The Onyx comes with the Eletech Courage cable. The Eletech Courage cable is a 4 core cryogenically treated flawless OCC Silver Plated Copper cable with 4.4mm termination. Driver specifications: 1 x 10 mm DD - Bass/sub-bass 2 Knowles BA - mid frequencies 2 Knowles BA - high frequencies 2 Sonion Electrostatic - Ultra-High frequencies 1 Bone Conductor to enhance and give texture to the mids and highs Eletech Courage Cable Specifications (4.4mm termination): 26 AWG, 4 Wires Flawless OCC Silver Plated Copper Extreme high strand counts Hybrid Type-4 Litz Geometry ; Kevlar Resilient Core Cryogenically Treated Eletech Customised connectors and Y-split Individually Enamelled strands FlexiMax Insulation