Shure 55S Unidyne Microphone — Unit Resale Value
Pro AudioWhat a used Shure 55S Unidyne Microphone sells for on Reverb (median of 2 recent listings).
Shure 55S Unidyne Microphone value — Used $555. Prices updated July 2026.
Live on eBay right now
Expired listings — price reference
Vintage 1940's Shure Brothers Unidyne 55C Microphone Fatboy Elvis Antique
Vintage Shure Model 55 "Fatboy" Unidyne Microphone - Untested For Restoration
1950s-1960s Shure Model 55S Unidyne Dynamic Microphone “The Elvis Mic”
VINTAGE SHURE 55S UNIDYNE DYNAMIC MICROPHONE WITH ORIGINAL BOX & INSTRUCTIONS
Vintage Shure Brothers Unidyne Dynamic Stage Microphone Model 55C Fatboy Music !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
- Shure
- Make
- Shure
- Model
- 55S Unidyne Microphone
- Year
- 1956
- Finishes seen
- Metal
- Used range
- $455 – $555
- Sample size
- 2 listings
Shure 55S Unidyne Microphone resale value
The used Shure 55S Unidyne Microphone has a median Reverb asking price of $555, ranging from $455 to $555 across 2 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.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Used | $555 | eBay sold comps |
| Live asking — low / typical / high | $119 / $200 / $450 | 20 live eBay listings ↗ |
Market check: As of July 27, 2026, 20 live eBay listings ask $119.00–$450.00 (median $200.00). Asking prices sit about 64% below the typical sold value of $555.00 — a window worth checking for buyers.
Frequently asked questions
- What is the approximate resale value range for this vintage microphone?
- Based on current listings, the Shure 55S Unidyne Microphone ranges from $194 to $555.
- Is the 55S Unidyne microphone still considered a collectible item?
- Yes, as a 1956 Shure model, it is a rare piece of vintage pro audio equipment.
- What finishes are available for this 1956 Shure microphone?
- The available finishes seen for the Shure 55S Unidyne Microphone include metal.
