# GFI System Duophony Advanced Parallel Blender — resale value

Source: JunkPal price guide — https://junkpal.ai/products/gfi-system-duophony-advanced-parallel-blender-effects-and-pedals-reverb

**GFI System Duophony Advanced Parallel Blender** is worth about **$299**, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/gfi-system-duophony-advanced-parallel-blender-effects-and-pedals-reverb

## Value

| Condition | Value (USD) |
| --- | --- |
| Used | $299 |

Values are medians of real closed eBay sales, updated 2026-08-04. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DGFI%2520System%2520Duophony%2520Advanced%2520Parallel%2520Blender%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DGFI%2520System%2520Duophony%2520Advanced%2520Parallel%2520Blender%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| Brand | GFI System |
| Model | Duophony Advanced Parallel Blender |
| Finishes seen | Black |
| Used range | $280 – $301.35 |
| Sample size | 3 listings |
| Category | Effects and Pedals |

## GFI System Duophony Advanced Parallel Blender resale value

The used GFI System Duophony Advanced Parallel Blender has a median Reverb asking price of **$299**, ranging from $280 to $301.35 across 3 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.

## FAQ

**What is the current price range for the GFI Duophony Advanced Parallel Blender?**

The used price for this model ranges between $220 and $233.

**What colors are available for the Duophony Advanced Parallel Blender?**

The finish seen for this model is Black.

**How many listings are currently available for this item?**

There are 3 sample listings available for the GFI Duophony Advanced Parallel Blender.

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Full price guide: https://junkpal.ai/products/gfi-system-duophony-advanced-parallel-blender-effects-and-pedals-reverb
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-04, based on real sold listings (junkpal.ai)"