GFI System
Dual Channel Modulation for the Modern Producer
Get hands-on control with the GFI System Synesthesia, a dual channel modulation unit perfect for sound design and music creation. This used 2019-2021 model is available at a fair price from Reverb, a trusted retailer in the music industry.
$345.37
8% above the 90-day average of $320 — the lowest we've seen is $300. Based on 3 prices tracked over 90 days.
Retailer: reverbAI Score: 9/10
Get This Deal →Price History
| Date | Price | Condition | Retailer |
|---|---|---|---|
| 7/9/2026 | $345.37 | used | reverb |
| 7/8/2026 | $315.00 | used | reverb |
| 7/2/2026 | $300.00 | used | reverb |
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