Rainbow Audio Waveform Graphic - Free Vector Illustration #1869764 (License: Personal Use)

This vector illustration features a smooth, undulating sine wave rendered in bold rainbow stripes (magenta, red, yellow, green, blue) against a stark black background. The design evokes retro-futuristic aesthetics while clearly symbolizing audio frequency or waveform visualization. White negative-space cutouts add rhythmic contrast and enhance visual flow.

Used in music tech websites, podcast cover art, app UI elements, educational content about sound waves, or as a decorative header for audio-related blog posts. Matches user intent for creative, royalty-free audio-themed graphics.