Q10U1A1D2R1A1P3H4O1N1I1C3S1
30 points
QUADRAPHONICS is validvalid
the quadraphonic reproduction of sound
a system of sound transmission using a minimum of four speakers, also QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY
the quadraphonic reproduction of sound
a system of sound transmission using a minimum of four speakers, also QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY