Home Audio Marshall Geek Squad Certified Refurbished Kilburn II Portabl…

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
Marshall - Geek Squad Certified Refurbished Kilburn II Portable Bluetooth Speaker - Gray

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 response52 hertz - 20000 hertz
Wireless (BT/WiFi)Yes
Reconciled at2026-03-06 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 brandMarshall
Raw categoryBest 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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  "upc": "400064582175",
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  "name": "Marshall - Geek Squad Certified Refurbished Kilburn II Portable Bluetooth Speaker - Gray",
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  "details": [
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        "Geek Squad Certified Refurbished Kilburn II Portable Bluetooth Speaker"
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    {
      "name": "Color",
      "value": "Gray",
      "values": [
        "Gray"
      ]
    },
    {
      "name": "Wattage",
      "value": "36 watts",
      "values": [
        "36 watts"
      ]
    },
    {
      "name": "Minimum Frequency Response",
      "value": "52 hertz",
      "values": [
        "52 hertz"
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      "name": "Maximum Frequency Response",
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      "value": "No",
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        "No"
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      "name": "Wireless",
      "value": "Yes",
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    },
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      "name": "Wireless Connectivity",
      "value": "Bluetooth",
      "values": [
        "Bluetooth"
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    {
      "name": "Bluetooth Version",
      "value": "5.0",
      "values": [
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      ]
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    {
      "name": "Network Connectivity",
      "value": "Bluetooth",
      "values": [
        "Bluetooth"
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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": [
        "Volume"
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    {
      "name": "Digital Display",
      "value": "No",
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      "value": "Battery Indicator",
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      "values": [
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      "name": "Fast Charging",
      "value": "20 minutes",
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      "name": "Product Height",
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      "values": [
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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",
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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.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.",
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  "onlineAvailability": false,
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}
Newegg raw specs
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