Ferrum Oor Power Supply upgrade:+Hypsos & Power Link (+$1395) now housed in handsome African

now housed in handsome African mahogany ear cups with modern ergonomic refinements including low-repulsion ear pads and an optional balanced connection

consistent speed under the most demanding dynamic conditions in music

Clean and functional front panel with volume control

Carbon fiber yoke

or AIFF with automatic metadata retrieval

Ferrum Oor Power Supply upgrade:+Hypsos & Power Link (+$1395) now housed in handsome AfricanThe Ferrum OOR is the headphone amplifier that Ferrum built as their defining statement, a fully balanced, discrete design with a proprietary output stage that keeps transistors permanently active, eliminating the zero crossing distortion that plagues conventional topologies and delivering 8 watts balanced into 60 ohms with vanishingly low noise. Type and Technology Desktop headphone amplifier, fully balanced, solid state. Proprietary discrete power