MB Quart - Discus 5-1/4" 2-Way Car Speakers with Polypropylene Cones (Pair) - Black
Price range: $69.99
Brand: MB Quart
Category: Audio
A pair of MB Quart headphones featuring 5-1/4" drivers, 60 Hz–20 kHz frequency response, and 4Ω impedance.
PQS: 95 (computed 2026-03-14 07:04:58.162367+00:00)
GTIN-14: 00806576235002
Key specs
A human-friendly subset of specs (non-null)
Driver
5-1/4"
Frequency response
60 hertz - 20 kilohertz
Impedance (ohms)
4
Wireless (BT/WiFi)
No
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6584037 | 69.99 USD | In stock | View offer → | 2026-03-14 03:36:27.313154+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 69.99 USD | In stock | 2026-03-14 03:36:27.313154+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-13 03:46:33.615411+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-12 03:36:29.813382+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-11 03:34:27.838227+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-10 03:43:19.437205+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-09 03:43:37.961361+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-06 06:36:36.705189+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-03 02:26:40.921874+00:00 |
| bestbuy | 69.99 USD | In stock | 2026-03-02 08:54:11.029270+00:00 |
Full specs
Show full spec table
| Driver | 5-1/4" |
|---|---|
| Frequency response | 60 hertz - 20 kilohertz |
| Impedance (ohms) | 4 |
| Wireless (BT/WiFi) | No |
| 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 | MB Quart - Discus 5-1/4" 2-Way Car Speakers with 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 - Discus 5-1/4" 2-Way Car Speakers with Polypropylene Cones (Pair) - Black |
|---|---|
| core.seo_title | MB Quart DK2-113 |
| audio.driver | 5-1/4" |
| audio.wireless | No |
| audio.impedance_ohms | 4 |
| audio.frequency_response | 60 hertz - 20 kilohertz |
| brand | MB Quart |
| model | DK2-113 |
| gtin14 | 00806576235002 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6584/6584037_sd.jpg |
| category | audio |
| physical.depth_in | 2.63 |
| physical.width_in | 5.25 |
| physical.height_in | 5.25 |
| physical.weight_kg | 1.63 |
| physical.dimensions_in | 5.25 x 5.25 x 2.63 in |
| warranty.labor | 1 Year |
| warranty.parts | 1 Year |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
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"details": [
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"value": "Discus 5-1/4\" 2-Way Car Speakers with Polypropylene Cones (Pair)",
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{
"name": "Color",
"value": "Black",
"values": [
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},
{
"name": "RMS Power",
"value": "45 watts",
"values": [
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},
{
"name": "Peak Power Handling",
"value": "90 watts",
"values": [
"90 watts"
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{
"name": "Minimum Frequency Response",
"value": "60 hertz",
"values": [
"60 hertz"
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{
"name": "Maximum Frequency Response",
"value": "20 kilohertz",
"values": [
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{
"name": "Impedance",
"value": "4 ohms",
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"4 ohms"
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{
"name": "Sensitivity",
"value": "88 decibels",
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"name": "Integrated Crossover",
"value": "Yes",
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{
"name": "Speaker Size",
"value": "5-1/4\"",
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{
"name": "Speaker Type",
"value": "Coaxial",
"values": [
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{
"name": "Tweeter Composition",
"value": "Aluminum inverted dome",
"values": [
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{
"name": "Woofer Surround Material",
"value": "Butyl rubber",
"values": [
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"name": "Cutout Diameter",
"value": "4.48 inches",
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"name": "Mount Depth",
"value": "2.2 inches",
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"name": "Product Height",
"value": "5.25 inches",
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"value": "5.25 inches",
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"name": "Product Depth",
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"name": "Product Weight",
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"name": "Number Of Speakers",
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"feature": "Aluminum inverted dome tweeters\nDeliver great sound with increased reliability."
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"feature": "Lightweight thermal-formed polypropylene cones\nEnable a faster midrange response."
},
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"feature": "Butyl rubber surrounds\nProvide durability and deeper mid-bass impact. The cone/surround connection utilizes a high-temprature adhesive, which assures the cone and surround do not separate during high-power usage or extreme weather conditions."
},
{
"feature": "Pure copper voice coil\nCreates a strong magnetic field with a very thin extrusion. The Kapton voice coil former is lightweight and efficiently dissipates heat."
},
{
"feature": "Spider\nNatural fiber allows flexibility while the infused epoxy gives strength during the manufacturing process."
},
{
"feature": "Over-coil cooling system\nAllows air exchange over the voice coil through the spider."
},
{
"feature": "6dB internal crossover\nIntegrated into the design to assure smooth midrange to tweeter frequency transitions."
},
{
"feature": "Heavy-gauge progressive-die stamped steel frames\nFor outstanding rigidity."
},
{
"feature": "Ferrite magnet motor\nCreates a strong magnetic field while remaining small enough to fit nearly every application."
},
{
"feature": "Connectors\nUse spade connectors or solder directly for the best connection."
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"feature": "Tinsel leads\nHighly conductive while remaining flexible during high-power applications."
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"longDescription": "Turn up the music with these black MB Quart Discus car speakers. The 5.25” drivers deliver powerful bass, and the aluminum inverted dome tweeters provide high frequencies for an immersive listening experience. These MB Quart Discus two-way coaxial car speakers have progressive-die frames made of heavy-gauge stamped steel to eliminate harmonic distortion for accurate tones.",
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Newegg raw specs
No Newegg raw specs saved for this product yet.