Related Clues:

• RCA purchase
• From both sides, sound-wise
• Singles player in the 1950s
• Car's audio system
• Family room fixture of yore
• Earbuds effect
• What was revolutionary in the music industry?
• Like some sound systems
• Set pulsating disc on first audio device
• More than one-track
• Boombox's austere orchestral extract
• Player in a club
• LP player of old
• Bose Wave SoundTouch, e.g
• Colour sergeant ignores clangour from music system