Marshall - Geek Squad Certified Refurbished Kilburn II Portable Bluetooth Speaker - Gray
Price range: $249.99
Brand: Marshall
Category: Audio
A pair of Marshall headphones featuring 52 Hz–20000 Hz frequency response.
PQS: 85 (computed 2026-03-16 07:03:18.265356+00:00)
GTIN-14: 00400064582175
Key specs
A human-friendly subset of specs (non-null)
Frequency response
52 hertz - 20000 hertz
Wireless (BT/WiFi)
Yes
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6458217 | 249.99 USD | Out of stock | View offer → | 2026-03-16 02:31:31.417111+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| 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
| Frequency response | 52 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 II Portable Bluetooth Speaker - 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 II Portable Bluetooth Speaker - Gray |
|---|---|
| core.seo_title | Marshall GSRF 1002635 |
| audio.wireless | Yes |
| audio.speakers_count | 2 |
| audio.frequency_response | 52 hertz - 20000 hertz |
| brand | Marshall |
| model | GSRF 1002635 |
| gtin14 | 00400064582175 |
| images[0] | https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6458/6458217ld.jpg |
| category | audio |
| physical.depth_in | 5.51 |
| physical.width_in | 9.57 |
| physical.height_in | 6.42 |
| physical.weight_kg | 2.49 |
| physical.dimensions_in | 6.42 x 9.57 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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"details": [
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{
"name": "Color",
"value": "Gray",
"values": [
"Gray"
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},
{
"name": "Wattage",
"value": "36 watts",
"values": [
"36 watts"
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},
{
"name": "Minimum Frequency Response",
"value": "52 hertz",
"values": [
"52 hertz"
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},
{
"name": "Maximum Frequency Response",
"value": "20000 hertz",
"values": [
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{
"name": "Built-In Microphone",
"value": "No",
"values": [
"No"
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"value": "Yes",
"values": [
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},
{
"name": "Wireless Connectivity",
"value": "Bluetooth",
"values": [
"Bluetooth"
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{
"name": "Bluetooth Version",
"value": "5.0",
"values": [
"5.0"
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{
"name": "Network Connectivity",
"value": "Bluetooth",
"values": [
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{
"name": "Auxiliary Input",
"value": "Yes",
"values": [
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{
"name": "Control Button(s)",
"value": "Play/Pause",
"values": [
"Play/Pause",
"Power on/off",
"Track selection"
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{
"name": "Controls",
"value": "Volume",
"values": [
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"value": "No",
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{
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"value": "Battery Indicator",
"values": [
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{
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"value": "LED",
"values": [
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{
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"value": "Yes",
"values": [
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{
"name": "Battery Charge Time",
"value": "2.5 hours",
"values": [
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{
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"value": "20 minutes",
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"value": "Not applicable",
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"features": [
{
"feature": "Multidirectional sound\nAmplify your listening experience to epic levels with the unique form of pronounced and articulate sound."
},
{
"feature": "IPX2 water-resistant\nTake Kilburn II to the beach or pool without worrying about spills or even submersion in water."
},
{
"feature": "Rechargeable battery\nThe built-in rechargeable lithium-ion battery supports over 20 hours of playtime and features quick charging capabilities in only 20 minutes."
},
{
"feature": "Wireless Bluetooth streaming\nWirelessly connect up to two smartphones or tablets to the speaker, and take turns enjoying powerful sound."
},
{
"feature": "36W RMS system power\nOffers 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\nDelivers the powerful, ear-catching Marshall sound that resonates loud and clear."
},
{
"feature": "Auxiliary audio input\nAllows for simple wired connectivity."
},
{
"feature": "Top control knobs\nLet you adjust the sound to meet your needs."
},
{
"feature": "Portable design\nTake it with you on the go."
}
],
"condition": "Refurbished",
"salePrice": 249.99,
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"manufacturer": "Marshall",
"regularPrice": 249.99,
"shippingCost": "",
"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.Play music from your smartphone or tablet with this Marshall Kilburn II Bluetooth speaker. The woofer and two tweeters produce immersive multidirectional sound, while Bluetooth 5.0 and aptX technologies offer seamless wireless transmission. This gray Marshall Kilburn II Bluetooth speaker boasts multi-host functionality for linking two compatible devices at once, and the internal battery offers up to 20 hours of continuous use on a full charge.",
"shortDescription": null,
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}
Newegg raw specs
No Newegg raw specs saved for this product yet.