Description
Original Sun Microsystems external speaker box, part number 540-2220-03, manufactured in 1992 for use with Sun SPARCstation and other early Sun workstation systems. This is a period-correct accessory for vintage UNIX workstation setups and is ideal for collectors, restorers, or display builds.
The unit features integrated cabling with a Sun proprietary connector, front metal speaker grille, and top-mounted controls including mute and volume adjustment buttons.
Details:
- Brand: Sun Microsystems
- Part Number: 540-2220-03
- Cable Label: 530-1866-02 Rev. 50
- Year: 1992
- Made in USA
- Designed for Sun SPARCstation systems
- Integrated cable with Sun proprietary connector
- Top-mounted controls (mute, volume up/down)
- Rear audio jacks
Condition:
- Untested – no compatible system available
- Sold AS-IS for collectible or restoration purposes
- Good overall physical condition for age
- Typical yellowing and discoloration from age
- Visible uneven color where a sticker was previously applied
- Light scratches, scuffs, and surface wear
- Three original rubber feet have been removed due to deterioration
- Remaining foot is heavily worn and degraded
- Some residue present where feet were removed
- Buttons click and move normally
- Connector and cable show normal aging but no major damage observed
This is a vintage electronics item from the 1990s and is being sold as-is. Please review all photos carefully for exact condition and included components.

















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