Finding legitimate, high-quality 5.1 music files requires knowing where to look. Several dedicated platforms cater specifically to multi-channel audio enthusiasts: 1. High-Res Audio Specialist Sites

“What’s this?” she asked, holding up the disc.

You need a receiver that supports Dolby Digital decoding.

Open Audio MIDI Setup > Select your multi-channel output device > Click Configure Speakers > Choose 5.1 Surround .