Yamaha PSS-100 - Chiptune Synth Japan - Boxed - Manual Included - Tested

Yamaha PSS-100 – Vintage mini keyboard with original box (very good condition)

The Yamaha PSS-100 is a compact mini keyboard from 1989. . Despite its toy-like appearance, it offers a surprising level of control and musicality, making it popular among retro synth fans, lo-fi producers, and collectors. Famously used on hits like Katy Perry’s “California Girls”.

Key features:

• 32 mini keys
• 16 preset voices (square wave-based preset sounds)
• 16 rhythm patterns with tempo control
• Voice Variator function – real-time sound editing (modifies pitch, sustain, brightness, etc.)
• Built-in sequencer – allows you to record and playback short phrases
• Internal speaker – clear and punchy 80s tone
• Runs on 4 AA batteries or 12V DC power adapter (included)

Cultural use & influence

While the PSS-100 itself is modest, it belongs to a generation of Yamaha keyboards that laid the groundwork for chiptune aesthetics, and its raw square wave tones have been sampled in lo-fi, hip-hop and experimental electronic productions. Similar sound architecture can be found in early Nintendo consoles (like the NES), making this keyboard a fun and affordable companion for retro-minded musicians. It was famously used on Katy Perry’s “California Girls”.

Condition and what's included:

This unit is in very good working condition:

• All keys, sounds, rhythms and functions work perfectly
• No major scratches or damage to the case
• Battery compartment is clean, with no corrosion
• The original box is included – it shows some light wear but remains sturdy and visually nice
• Original Owners Manual in perfect condition.

Included in this offer:

• Yamaha PSS-100 keyboard
• Original box and Power Cord
• User manual (English)

This is a great opportunity to own a fully functional, boxed PSS-100—ideal for sampling, retro composition, or just enjoying a piece of Yamaha’s quirky digital legacy.