(Pre-Owned) Sony Discman Walkman Sports D421-SP, Rugged Portable CD Player (Yellow and Gray)

The Sony Walkman D-421-SP was a portable CD player released in the late 1990s, known for its compact design and solid sound quality. Below are the key features of this popular portable CD player.

Design & Build
The Sony Walkman D-421-SP was designed with portability in mind. Its compact size made it lightweight and easy to carry, ideal for on-the-go listening. It played standard CDs (CD-DA format) as well as CD-R and CD-RW discs, allowing users to enjoy both commercial and self-burned music on a single device.

Audio Features
The Walkman D-421-SP offered several audio features designed to enhance the listening experience. It was equipped with anti-shock protection, which helped prevent skips and interruptions while on the move, ensuring smooth music playback. The Dynamic Bass Boost feature provided a deeper, richer sound, enhancing the low-end frequencies. Additionally, the device included various sound modes, such as the Mega Bass mode, which offered extra bass for a more powerful audio experience.

Power & Battery
The Sony Walkman D-421-SP could be powered by AA batteries or an external AC power adapter (sold separately). On a set of alkaline batteries, it offered up to 14 hours of continuous playback, making it perfect for long trips or extended music sessions without frequent recharging.

Connectivity & Controls
For connectivity, the D-421-SP featured a 3.5mm headphone jack, which was compatible with most wired headphones. The device had manual volume controls, allowing users to easily adjust the sound to their preference. The LCD display showed essential track information, including the song title, track number, and playback status.

Additional Features
The Walkman D-421-SP included several user-friendly features. The skip/search functions made it easy to skip to the next track or search within a track, allowing for seamless navigation. Additionally, the auto-resume function remembered the last played track and resumed playback from that point when the player was powered on again.