# 3Leaf Audio Proton MK4 — resale value

Source: JunkPal price guide — https://junkpal.ai/products/3leaf-audio-proton-mk4-effects-and-pedals-reverb

**3Leaf Audio Proton MK4** is worth about **$435.31**, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/3leaf-audio-proton-mk4-effects-and-pedals-reverb

## Value

| Condition | Value (USD) |
| --- | --- |
| Used | $435.31 |

Values are medians of real closed eBay sales, updated 2026-07-25. 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%3D3Leaf%2520Audio%2520Proton%2520MK4%2520pedal%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%3D3Leaf%2520Audio%2520Proton%2520MK4%2520pedal%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

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | 3Leaf Audio |
| Model | Proton MK4 |
| Finishes seen | Various, Icefall |
| Used range | $390 – $435.31 |
| Sample size | 2 listings |
| Category | Effects and Pedals |

## 3Leaf Audio Proton MK4 resale value

The used 3Leaf Audio Proton MK4 has a median Reverb asking price of **$435.31**, ranging from $390 to $435.31 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.

## FAQ

**What is the typical used price range for the Proton MK4?**

The Proton MK4 is currently listed in the used range of $390 to $435.31.

**Are there different cosmetic options available for this pedal?**

Yes, various finishes, including Icefall, have been seen for the Proton MK4.

**How many listings are currently available for the Proton MK4?**

There are currently 2 listings available for the 3Leaf Audio Proton MK4.

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Full price guide: https://junkpal.ai/products/3leaf-audio-proton-mk4-effects-and-pedals-reverb
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-25, based on real sold listings (junkpal.ai)"