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Price Context
Riley reads this as priced above where the current comp set looks most competitive.
Confidence Level Low: early signal only, with comp quality not yet strong enough for a high-conviction read.
Comparable active listings for this item query in Home Speakers & Subwoofers are currently $15.00–$175.49 (median $72.00, based on 29 active comps).
The range is wide - some cheap units, some premium - so there is no clean verdict here. Riley reads this listing as priced above the midpoint by about 39%, which is worth knowing, but use it as one signal, not the final word.
Based on active eBay comps from this listing's search context. Updated every 6 hours.
AI Buying Guide Riley
Riley is preparing the detailed buying guide. For now: just the facts from the listing.
- Snapshot guide for Sony SA-WM20 Powered Active Subwoofer Tested Working Home Theater Bass in Home Speakers & Subwoofers.- Condition: Used.
- Availability: Current listing status is IN_STOCK.
- Price: USD 99.99 at the time of this snapshot.
- Shipping: Cost depends on delivery location; verify total delivered price at checkout.
- Key details: Driver Size: 8 in; System Configuration: 2.1 Channel; Shape: Rectangular; Color: Black.
- Seller signal: rehwiup77, 99.8% positive, 404 feedback ratings.
- Verify fit and total delivered cost before checkout. A detailed buying guide is generated when this page is actively viewed.
Generated from listing data by BayPoint AI · Verify details on eBay before purchase.
Item Specifics
| Driver Size | 8 in |
| System Configuration | 2.1 Channel |
| Shape | Rectangular |
| Color | Black |
| MPN | SA-WM20 |
| Material | Wood |
| Surround Sound Formats | THX, Dolby Digital |
| Item Length | 15 in |
| Brand | Sony |
| Type | Subwoofer |
| Unit Type | Unit |
| Item Height | 13 in |
| Model | Sony SA-WM20 |
| Connectivity | Wired |
| Features | Compact, Design |
| Unit Quantity | 1 |
| RMS Power | 50 W |
| Plug Regional Fitment | Type A |
| Item Width | 10 5/8 in |
| Item Weight | 19 Lbs 15 Oz |