Boss SY-300 Guitar Synthesizer — Pedal Resale Value
Effects and PedalsWhat a used Boss SY-300 Guitar Synthesizer sells for on Reverb (median of 2 recent listings).
Boss SY-300 Guitar Synthesizer value — Used $340. Prices updated September 2026.
Live on eBay right now
Expired listings — price reference
Boss SY-1 Guitar Synthesizer Pedal Clean Barely Used With Original Box Synth
Boss SY 300 Advanced Guitar Synthesizer Synth Effects Pedal w AC Adapter & Box
eBay removes ended listings after ~90 days — we keep the prices. Look up finds current listings for the same item.
Price data verified against · 1
Item details
- Brand
- Boss
- Make
- Boss
- Model
- SY-300 Guitar Synthesizer
- Finishes seen
- Blue
- Used range
- $310 – $340
- Sample size
- 2 listings
Boss SY-300 Guitar Synthesizer resale value
The used Boss SY-300 Guitar Synthesizer has a median Reverb asking price of $340, ranging from $310 to $340 across 2 current listings.
What drives the price
For a used pedal, true-bypass vs buffered, enclosure wear, and whether it's a discontinued or boutique run move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Used | $340 | eBay sold comps |
| Live asking — low / typical / high | $87.99 / $197.99 / $888 | 20 live eBay listings ↗ |
Market check: As of July 25, 2026, 20 live eBay listings ask $87.99–$888.00 (median $197.99). Asking prices sit about 42% below the typical sold value of $340.00 — a window worth checking for buyers.
Frequently asked questions
- What is the current price range for the Boss SY-300?
- Used Boss SY-300 Guitar Synthesizers are currently listed between $526.67 and $759.95.
- Is the Blue finish of the SY-300 available?
- Yes, the Blue finish of the Boss SY-300 Guitar Synthesizer has been seen in listings.
- How many listings are currently available for the SY-300?
- There are currently two listings available for the Boss SY-300 Guitar Synthesizer.
