MB Quart - Tuned 8" Coaxial Car Speakers with Composite Polypropylene Cones (Pair) - Black
Price range: $679.99
Brand: MB Quart
Category: Audio
A pair of MB Quart headphones featuring 8" drivers and 25 Hz–22 kHz frequency response.
PQS: 87 (computed 2026-03-20 07:10:23.152409+00:00)
GTIN-14: 00806576235729
Key specs
A human-friendly subset of specs (non-null)
Driver
8"
Frequency response
25 hertz - 22 kilohertz
Wireless (BT/WiFi)
No
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6613292 | 679.99 USD | In stock | View offer → | 2026-03-20 04:03:23.272817+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 679.99 USD | In stock | 2026-03-20 04:03:23.272817+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-19 04:05:10.692523+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-18 04:11:54.372380+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-17 04:15:48.857645+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-16 04:13:04.893991+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-15 04:03:12.715646+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-14 04:07:15.505486+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-13 04:16:20.479005+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-12 04:05:34.353861+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-11 04:03:29.908878+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-10 04:12:53.599195+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-09 04:14:17.461671+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-06 06:52:24.126602+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-03 02:42:05.784186+00:00 |
| bestbuy | 679.99 USD | In stock | 2026-03-02 09:24:14.972857+00:00 |
Full specs
Show full spec table
| Driver | 8" |
|---|---|
| Frequency response | 25 hertz - 22 kilohertz |
| Wireless (BT/WiFi) | No |
| 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 | MB Quart - Tuned 8" Coaxial Car Speakers with Composite Polypropylene Cones (Pair) - Black |
|---|---|
| Raw brand | MB Quart |
| Raw category | Best Buy > Car Electronics & GPS > Car Audio > Car Speakers |
Canonical highlights (non-null)
| core.title | MB Quart - Tuned 8" Coaxial Car Speakers with Composite Polypropylene Cones (Pair) - Black |
|---|---|
| core.seo_title | MB Quart MBQJK-28CRGB |
| audio.driver | 8" |
| audio.wireless | No |
| audio.frequency_response | 25 hertz - 22 kilohertz |
| brand | MB Quart |
| model | MBQJK-28CRGB |
| gtin14 | 00806576235729 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/7069da30-9a14-4575-ae0f-4ea57cd5b7f5.jpg |
| category | audio |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
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"name": "MB Quart - Tuned 8\" Coaxial Car Speakers with Composite Polypropylene Cones (Pair) - Black",
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{
"name": "RMS Power",
"value": "70 watts",
"values": [
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},
{
"name": "Peak Power Handling",
"value": "140 watts",
"values": [
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{
"name": "Minimum Frequency Response",
"value": "25 hertz",
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"value": "22 kilohertz",
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"value": "Titanium",
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"value": "Composite polypropylene",
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"value": "Butyl rubber",
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"features": [
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"feature": "Designed to directly replace/upgrade OEM rear speakers of select Jeep vehicles\nIncluding Jeep Wrangler (JK) 2007-2018 models."
},
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"feature": "Durable composite polypropylene cones\nHelp improve sensitivity while reducing distortion."
},
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"feature": "Two 8\" coaxial speakers\nFeature Y30 iron ferrite magnets for powerful performance and improved efficiency."
},
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"feature": "1\" titanium dome tweeters\nOffer outstanding reproduction of high frequencies."
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"feature": "25Hz - 22kHz frequency response\nAccurately produces a wide range of sound."
},
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"feature": "Maximum power up to 140W (70W nominal)\nFor rich sound."
},
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"feature": "Translucent speaker grilles\nAllow the integrated RGB light to shine brightly and consistently."
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"longDescription": "Turn up the music with these black MB Quart tuned 8\" coaxial car speakers for Jeep Wrangler JK vehicles. The titanium dome tweeters deliver crisp high frequencies for an immersive listening experience, while the durable composite polypropylene cones minimize harmonic distortion for precise, accurate sound.",
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Newegg raw specs
No Newegg raw specs saved for this product yet.