Marshall - Geek Squad Certified Refurbished Kilburn Steel Edition Portable Bluetooth Speaker - Black/Gray
Price range: $249.99
Brand: Marshall
Category: Audio
A pair of Marshall headphones featuring 4 inches drivers and 62 Hz–20000 Hz frequency response.
PQS: 87 (computed 2026-03-17 07:13:55.584901+00:00)
GTIN-14: 00400064582182
No image available
Key specs
A human-friendly subset of specs (non-null)
Driver
4 inches
Frequency response
62 hertz - 20000 hertz
Wireless (BT/WiFi)
Yes
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6458218 | 249.99 USD | Out of stock | View offer → | 2026-03-17 02:32:52.001939+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 249.99 USD | Out of stock | 2026-03-17 02:32:52.001939+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-16 02:31:31.417111+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-15 02:19:10.393037+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-14 02:22:47.482706+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-13 02:31:47.948963+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-12 02:24:21.505387+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-11 02:21:52.319432+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-10 02:32:44.114655+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-09 02:30:47.821433+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-06 05:58:39.431205+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-03 01:49:08.598282+00:00 |
| bestbuy | 249.99 USD | Out of stock | 2026-03-02 07:41:59.866235+00:00 |
Full specs
Show full spec table
| Driver | 4 inches |
|---|---|
| Frequency response | 62 hertz - 20000 hertz |
| Wireless (BT/WiFi) | Yes |
| Reconciled at | 2026-03-06 10:20:22.157613+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 - Geek Squad Certified Refurbished Kilburn Steel Edition Portable Bluetooth Speaker - Black/Gray |
|---|---|
| Raw brand | Marshall |
| Raw category | Best Buy > Home Audio & Speakers > Portable Audio > Bluetooth & Wireless Speakers |
Canonical highlights (non-null)
| core.title | Marshall - Geek Squad Certified Refurbished Kilburn Steel Edition Portable Bluetooth Speaker - Black/Gray |
|---|---|
| core.seo_title | Marshall GSRF 04091395 |
| audio.driver | 4 inches |
| audio.wireless | Yes |
| audio.frequency_response | 62 hertz - 20000 hertz |
| brand | Marshall |
| model | GSRF 04091395 |
| gtin14 | 00400064582182 |
| category | audio |
| physical.depth_in | 5.51 |
| physical.width_in | 9.53 |
| physical.height_in | 5.51 |
| physical.weight_kg | 3.0 |
| physical.dimensions_in | 5.51 x 9.53 x 5.51 in |
| warranty.labor | Not applicable |
| warranty.parts | Not applicable |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
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"features": [
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"feature": "Active stereo sound\nAmplify your listening experience to epic levels with the unique form of pronounced and articulate sound."
},
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"feature": "Rechargeable battery\nThe built-in lithium-ion battery supports up to 20 hours of playtime."
},
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"feature": "Bluetooth connectivity\nPair this speaker with your smartphone, tablet, or other Bluetooth-enabled devices."
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"feature": "25W RMS system power\nDelivers crisp, robust sound to complement your favorite music."
},
{
"feature": "52Hz - 20kHz frequency response\nEnsures a wide range of accurately reproduced sound."
},
{
"feature": "Marshall bass-reflex system\nEnjoy the powerful, ear-catching Marshall sound that resonates loud and clear."
},
{
"feature": "Auxiliary audio input\nAllows for simple wired connectivity."
},
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"longDescription": "Geek Squad® Certified Refurbished products are thoroughly, painstakingly and lovingly tested, so you can be sure that your device will work right, right away. Learn more about Geek Squad® Certified Refurbished products.Take your music virtually anywhere with this refurbished Marshall Kilburn Steel Edition portable Bluetooth speaker. The rechargeable LiIon battery offers up to 20 hours of listening time on a single charge, while Bluetooth connectivity allows versatile use with compatible devices. This Marshall Kilburn Steel Edition portable Bluetooth speaker has control knobs for seamless bass, volume and treble management, while the woofer and tweeters deliver rich, balanced sound.",
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Newegg raw specs
No Newegg raw specs saved for this product yet.