4-inch passive radiator
Dayton Audio DS115-PR
£13.45
Steady22% below the average of 3 shops
Parts Express · 124 in stock · Ships from United States · All 4 offers
- Fs
- 29Hz
- Sd
- 54cm²
- Xmax
- 6mm
- Mms
- 13g
- Vas
- 9L
- Qms
- 3.7
Dayton Audio DS115-PR is a 4-inch passive radiator. The source-backed mechanical data includes Fs 29 Hz, Vas 9.4 L, Xmax 6 mm, plus 32 cm³ Vd. bits tracks UK, EU and US shop prices, price movement, and datasheet links, with a current best price of £13.45.
Partial source evidence
No automated T/S validation result is published for this record yet.
- Manufacturer page linked
- Datasheet linked
- Canonical units normalized for comparison
- Vd can be derived from Sd and Xmax
Thiele/Small
- Fs
- 29Hz
- Qms
- 3.7
- Vas
- 9.4L
Motor and cone
- Sd
- 54cm²
- Mms
- 13g
- Xmax
- 6mm
Size and mounting
- Diameter
- 115.6mm
- Cutout
- 93.7mm
- Depth
- 29.7mm
- Weight
- 0.16kg
Other published values
- Cms
- 2.27mm/N
Everything else Dayton Audio lists
LF · Primary · 4″
- Fs
- 29Hz
- Sd
- 54cm²
- Cms
- 2.27mm/N
- Mms
- 13g
- Qms
- 3.7
- Vas
- 9.4L
- Xmax
- 6mm
- Weight
- 0.16kg
- Diameter
- 115.6mm
- Depth
- 29.7mm
- Cutout
- 93.7mm
- SoundImports5.0 out of 54 ratings · Checked 24 Oct 2026Read reviews on SoundImports
- Parts Express5.0 out of 52 ratings · Checked 24 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Parts Express Import VAT and duty may apply | £13.45, the lowest price | 124 in stock | Visit shop at Parts Express | |
RumoH Import VAT and duty may apply | £17.50 | 30% above the lowest price | Stock not listed | Visit shop at RumoH |
Audiophonics Import VAT and duty may apply | £17.51 | 30% above the lowest price | Available on order | Visit shop at Audiophonics |
SoundImports Import VAT and duty may apply | £20.47 | 52% above the lowest price | 17 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr