Price observed . Amazon shows the live price.
Amazon lists it at $379.99, 21% off. That figure is Amazon's, not a price we have recorded.
Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input
Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input
The Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input was $299.99 when we checked it on 2026-08-03. That is about 14 percent below the median of the 7 prices we have recorded for it.
Turn heads and ears with the impeccable audio and timeless design of Kilburn III. This portable speaker comes with 360° True Stereophonic sound and makes a statement wherever displayed. Its dust and water resistance rating means it’s not bothered by a bit of dirt or a splash of water. No wonder it’s got such an obsessive following.
Editor's note
This is my pick for best Bluetooth speaker overall: a retro-inspired speaker with great sound and a 50-hour battery. The look plus that battery is a rare pairing.
Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input price history
7 weekly checks of our own, from 2026-06-26 to 2026-08-03. How our price tracking works
Lowest
$299.99
Jul 27, 2026
Typical
$349.99
median of 7 weekly checks
Highest
$379.99
Jul 6, 2026
Latest
$299.99
checked Aug 3, 2026
Typical price is the median of the 7 weekly checks we have taken, not the manufacturer list price. Every discount figure on this site is measured against it.
Every observation (7)
| Date | Price | Source |
|---|---|---|
| Jun 26, 2026 | $349.99 | Weekly check |
| Jun 29, 2026 | $349.99 | Weekly check |
| Jul 6, 2026 | $379.99 | Weekly check |
| Jul 13, 2026 | $379.99 | Weekly check |
| Jul 20, 2026 | $349.99 | Weekly check |
| Jul 27, 2026 | $299.99 | Weekly check |
| Aug 3, 2026 | $299.99 | Weekly check |
About this item
- 50+ HOURS OF PORTABLE PLAYTIME: Portable playtime for over two days.
- TRUE STEREOPHONIC: 360° sound you can hear wherever you stand.
- DUST & WATER-RESISTANT: IP54 rated, resistant to dust and water splashes.
- DYNAMIC LOUDNESS: Perfect audio at every volume.
- TACTILE CONTROLS: Intuitive controls in Marshall’s signature style.
- CHARGING BANK: Use the speaker to charge your phone on the go.
Details
- Enclosure Material
- Metal
- Color
- Black
- Battery Average Life
- 50 hours
- Item Dimensions D x W x H
- 10.75"D x 5.91"W x 6.65"H
- Item Weight
- 6.2 pounds
- Compatible Devices
- Desktop, Laptop, MP3 Player, Smartphone, Tablet
- Battery Charge Time
- 50 hours
Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input: common questions
Is the Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input worth it?
This is my pick for best Bluetooth speaker overall: a retro-inspired speaker with great sound and a 50-hour battery. The look plus that battery is a rare pairing. Its Amazon listing shows 4.7 out of 5 stars across 542 ratings, which is the retailer's figure and not our verdict.
How much does the Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input cost?
The Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input was $299.99 when we checked it on 2026-08-03. The median of the 7 prices we have recorded for it is $349.99. Amazon lists it at $379.99, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.
Is now a good time to buy the Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input?
At $299.99 the Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input is back at the lowest price on our record, which we also recorded on 2026-07-27, across 7 weekly checks since 2026-06-26.
What is the lowest price the Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input has been?
The lowest price on our record for the Marshall Kilburn III Portable Bluetooth Speaker - Black and Brass | Loud Stereo Sound with Bass and Treble Controls | 50+ Hr Playtime I Designed for Indoors and Outdoors | 3.5 mm Aux Input is $299.99 on 2026-07-27, and the highest is $379.99 on 2026-07-06. That record is 7 weekly checks we took ourselves.
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$299.99 observed
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