# API 550B — resale value

**API 550B** is worth about **$999**, based on real closed eBay sales.

## Value

| Condition | Value (USD) |
| --- | --- |
| Used | $999 |

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%3DAPI%2520550B%2520Pro%2520Audio%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%3DAPI%2520550B%2520Pro%2520Audio%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 | API |
| Model | 550B |
| Used range | $999 – $3,890 |
| Sample size | 3 listings |
| Category | Pro Audio |

## API 550B resale value

The used API 550B has a median Reverb asking price of **$999**, ranging from $999 to $3,890 across 3 current listings.

### What drives the price

For a used unit, channel count, working metering, and whether it's a sought-after vintage piece move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.

## FAQ

**What is the typical price range for a used API 550B?**

Used API 550B units are currently listed in the range of $999 to $3,890.

**How many API 550B listings are available right now?**

There are currently 3 listings available for the API 550B model.

**Is the API 550B a good investment for pro audio gear?**

Given the current market prices and availability, the API 550B presents a solid opportunity for pro audio enthusiasts.

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Full price guide: https://junkpal.ai/products/api-550b-pro-audio-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)"