--- title: "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" url: "https://omorp.com/product/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-b0f96fwcdf" asin: "B0F96FWCDF" brand: "Marshall" category: "audio" price: "$299.99" price_checked: "2026-08-03" site: "Elan's Best (omorp.com)" --- # 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. ## Overview 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. ## Specifications - 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 ## Price history (tracked by Elan's Best) - Current: $299.99 (checked 2026-08-03) - Lowest we have recorded: $299.99 on 2026-07-27 - Highest we have recorded: $379.99 on 2026-07-06 - Our own weekly checks: 7 over 38 days, from 2026-06-26 to 2026-08-03 - Median of our checks: $349.99 ## 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. Retailer rating (from the Amazon listing, not our score): 4.7 out of 5 across 542 reviews. --- Disclosure: Elan's Best may earn an affiliate commission on purchases made through our links, at no extra cost to the buyer. Commissions never change our picks. Source: https://omorp.com/product/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-b0f96fwcdf