Sounds like you're referring to the Yamaha MM6 synthesizer! Here's a post: "For Sale: Yamaha MM6...

The yamaha modx m8 (also known as the modx8 m) is a flagship-level 88-key performance synthesizer...

The best quality Yamaha DGX-670 piano complete 88 key's synthesizer workstation poino with stand .

Original Yamaha keyboard MODX8 M8 complete 88 key's synthesizer workstation, it comes with original...

The PSR-S770 bridges the gap between a portable synthesizer and a professional-grade accompaniment...

PSR _Sx600 Yamaha keyboard synthesizer workstation poino .

61 Semi-Weighted Keys: Designed for a realistic piano and synth playing feel. Powerful Arpeggiator...

Built for working pianists, the 88-key MODX M8 synthesizer delivers exceptional sound, expressive...

MODX8+ - MODX8+ is a compact, lightweight, 88-key weighted action synthesizer with the piano,...

Yamaha keyboard PSR -E583 Complete 61 keys synthesizer workstation poino with original adaptor brand...

Yamaha MODX M8 88-key performance synthesizer workstation.

This is uk used keyboard. It's fully functional and overall great shape

The Yamaha MODX8+ is a powerful and lightweight 88-key weighted action music synthesizer designed...

The Yamaha MODX8+ is a compact, lightweight 88-key weighted action music synthesizer and workstation...

Professional Yamaha MoXF8 workstation with 88 weighted keys for real piano feel. Features Motif XF...

This model features 88 fully weighted keys (Graded Hammer Standard), giving you an authentic piano...

The Yamaha CS1x is a synthesizer/sampler by Yamaha. It is a hybrid instrument that combines sampling...

Yamaha PSR-SX620 is an entry-level professional arranger workstation keyboard featuring 61...

PSR -E583 Yamaha piano complete 61 keys synthesizer workstation.

The yamaha modx m8 (also known as the modx8 m) is a flagship-level 88-key performance synthesizer...