Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Black/Brass
Price range: $299.99–863.19
Brand: Marshall
Category: Audio
A pair of Marshall headphones featuring 4 inches drivers and 45 Hz–20000 Hz frequency response.
PQS: 95 (computed 2026-03-14 07:05:05.449328+00:00)
GTIN-14: 07340055404778
Key specs
A human-friendly subset of specs (non-null)
Driver
4 inches
Frequency response
45 hertz - 20000 hertz
Wireless (BT/WiFi)
Yes
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6632699 | 299.99 USD | In stock | View offer → | 2026-03-14 04:34:38.361219+00:00 |
| Newegg | 9SIBZ59KRT0378 | 863.19 USD | In stock | View offer → | 2026-03-13 02:25:57.892119+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 299.99 USD | In stock | 2026-03-14 04:34:38.361219+00:00 |
| bestbuy | 299.99 USD | In stock | 2026-03-13 04:44:30.233661+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-13 02:25:57.892119+00:00 |
| bestbuy | 299.99 USD | In stock | 2026-03-12 04:32:08.426585+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-12 02:23:35.737048+00:00 |
| bestbuy | 299.99 USD | In stock | 2026-03-11 04:30:38.483059+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-11 02:15:22.857310+00:00 |
| bestbuy | 299.99 USD | In stock | 2026-03-10 04:40:53.289174+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-10 02:22:56.726565+00:00 |
| bestbuy | 318.99 USD | In stock | 2026-03-09 04:41:32.826959+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-09 02:27:15.432536+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-08 05:53:57.672469+00:00 |
| newegg | 863.19 USD | In stock | 2026-03-06 08:45:18.540512+00:00 |
| bestbuy | 337.99 USD | In stock | 2026-03-06 07:06:52.821573+00:00 |
| bestbuy | 339.99 USD | In stock | 2026-03-03 02:56:27.687245+00:00 |
| newegg | 863.19 USD | Out of stock | 2026-03-03 02:23:18.564941+00:00 |
| newegg | 863.99 USD | Out of stock | 2026-03-02 10:42:34.283913+00:00 |
| bestbuy | 339.99 USD | In stock | 2026-03-02 09:51:50.861965+00:00 |
Full specs
Show full spec table
| Driver | 4 inches |
|---|---|
| Frequency response | 45 hertz - 20000 hertz |
| Wireless (BT/WiFi) | Yes |
| Reconciled at | 2026-03-06 10:56:32.254648+00:00 |
Canonical JSON (expand)
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Related products
Simple similarity over extracted specs (publish_set only)
Debug data (expand)
| Raw title | Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Black/Brass |
|---|---|
| Raw brand | Marshall |
| Raw category | Best Buy > Home Audio & Speakers > Portable Audio > Bluetooth & Wireless Speakers |
Canonical highlights (non-null)
| core.title | Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Black/Brass |
|---|---|
| core.seo_title | Marshall 1007443 |
| audio.driver | 4 inches |
| audio.wireless | Yes |
| audio.frequency_response | 45 hertz - 20000 hertz |
| brand | Marshall |
| model | 1007443 |
| ports.summary | Audio: No |
| ports.headphone_jack | No |
| gtin14 | 07340055404778 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/4efe32fe-5989-4381-b03c-76108b01931f.jpg |
| battery.life_hours | 50.0 |
| storage.form_factor | 3.5" |
| category | audio |
| physical.depth_in | 5.91 |
| physical.width_in | 10.75 |
| physical.height_in | 6.65 |
| physical.weight_kg | 2.8 |
| physical.dimensions_in | 6.65 x 10.75 x 5.91 in |
| warranty.labor | 1 Year |
| warranty.parts | 1 Year |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
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"feature": "50+ Hours of Portable Playtime\nStart track one in the bedroom, then listen to the encore on the balcony. With 50+ hours of portable playtime, your playlist will probably run out before the battery."
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"feature": "True Stereophonic 360° Sound\n360° sound finds you wherever you're standing thanks to a stereo arrangement with no blind spot. Take in well-rounded mids, crisp highs, and bass that digs deep with improved tuning and wide band drivers."
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"feature": "Dust & Water-resistant (IP54)\nKilburn III’s IP54 dust and water-resistant design makes it always ready to deal with a splash of water or a bit of dirt. It won’t be bothered about a little spill from an overexcited house guest either."
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"feature": "Dynamic Loudness\nTurn the music right up without compromising on any musical detail. Kilburn III has been designed so that the bass, mids, and treble adjust perfectly no matter the volume."
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"feature": "Charging Bank\nPower up your playlists and use Kilburn III to charge your phone whenever it needs a boost. Just plug in, and let your speaker do the rest."
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Newegg raw specs
raw_specs_text (pretty) — expand
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