# Donner Harmonic Square — resale value

**Donner Harmonic Square** is worth about **$29**, based on real closed eBay sales.

## Value

| Condition | Value (USD) |
| --- | --- |
| Used | $29 |

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%3DDonner%2520Harmonic%2520Square%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%3DDonner%2520Harmonic%2520Square%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 | Donner |
| Model | Harmonic Square |
| Used range | $25 – $30 |
| Sample size | 3 listings |
| Category | Effects and Pedals |

## Donner Harmonic Square resale value

The used Donner Harmonic Square has a median Reverb asking price of **$29**, ranging from $25 to $30 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 typical used price range for the Donner Harmonic Square?**

Based on current listings, the used range for the Donner Harmonic Square is between $32 and $53.3.

**Is the Donner Harmonic Square a rare item?**

The available data shows only two listings for this 2026 model, but this does not confirm rarity.

**What finishes are currently available for the Harmonic Square?**

The Red finish has been seen in the available listings for this pedal.

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Full price guide: https://junkpal.ai/products/donner-harmonic-square-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)"