How cheap RAM made portable CD players possible

What made portable CD players possible? The answer: cheap RAM.

Vintage Retro PANASONIC Sl-sx221c CD Player

Gueray CD Player Portable Rechargeable 1200mAh Battery Touch Button CD Disc Walkman with Double Earphones Jacks & Two Headphones Memory Function Anti-Skip Protection Digital Display with AUX Cable : : Electronics

Play/Pause: A Look at 30 Years of the Compact Disc - Bloomberg

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The Best Portable CD Players of 2024

The Best Portable CD Players of 2024

RCA RP2600 Personal CD Player with 60-Second Anti-Skip Protection (Silver) : Electronics