Elvis Presley - On Stage - CD-4 - 4 Channels

The album "On Stage" by Elvis Presley, in its Japanese edition with reference R4P-5009, is a special version of the live album originally released in 1970. This particular edition stands out for being in quadraphonic (4-channel) format, which was an advanced audio technology at the time, designed to provide an immersive sound experience.

Quadraphonic Sound

This format was an early version of surround sound that distributed audio across four separate channels, creating a more immersive experience compared to conventional stereo. Quadraphonic records were especially popular among audiophiles and collectors due to their superior fidelity.