Used Oz Audio HR-4 Headphone Amp

Experience rich, detailed sound with this Used OZ Audio HR-4 Headphone Amp in great condition. Built to drive a wide range of headphones with clean, low-noise amplification, the HR-4 delivers clear highs, tight bass, and strong dynamics for serious listening. Features a compact desktop design, analog headphone output, and straightforward controls for easy operation. A solid choice for upgrading from a built-in headphone jack and bringing more power and clarity to your music.