MB Quart - Tuned 6-1/2" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT - Black
Price range: $1479.99
Brand: MB Quart
Category: Audio
A pair of MB Quart headphones featuring 6-1/2" drivers and 75 Hz–23 kHz frequency response.
PQS: 90 (computed 2026-03-14 07:04:58.162367+00:00)
GTIN-14: 00806576236573
Key specs
A human-friendly subset of specs (non-null)
Driver
6-1/2"
Frequency response
75 hertz - 23 kilohertz
Wireless (BT/WiFi)
No
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6613287 | 1479.99 USD | In stock | View offer → | 2026-03-14 04:07:15.505486+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 1479.99 USD | In stock | 2026-03-14 04:07:15.505486+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-13 04:16:20.479005+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-12 04:05:34.353861+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-11 04:03:29.908878+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-10 04:12:53.599195+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-09 04:14:17.461671+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-06 06:52:12.890240+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-03 02:42:05.784186+00:00 |
| bestbuy | 1479.99 USD | In stock | 2026-03-02 09:24:14.972857+00:00 |
Full specs
Show full spec table
| Driver | 6-1/2" |
|---|---|
| Frequency response | 75 hertz - 23 kilohertz |
| Wireless (BT/WiFi) | No |
| Reconciled at | 2026-03-06 10:20:22.157613+00:00 |
Canonical JSON (expand)
{
"os": {
"name": null
},
"car": {
"type": null,
"finish": null,
"din_type": null,
"included": null,
"material": null,
"compatibility": null,
"included_trim": null,
"included_screws": null,
"included_harness": null,
"included_adapters": null,
"included_brackets": null,
"compatibility_make": null,
"compatibility_model": null,
"compatibility_years": null,
"included_connectors": null,
"included_instructions": null,
"retains_factory_features": null
},
"cpu": {
"cores": null,
"tdp_w": null,
"socket": null,
"threads": null,
"npu_tops": null,
"cpu_model": null,
"lithography": null,
"base_clock_ghz": null,
"boost_clock_ghz": null
},
"gpu": {
"tdp_w": null,
"chipset": null,
"outputs": null,
"vram_gb": null,
"gpu_type": null,
"gpu_model": null,
"vram_type": null,
"base_clock_mhz": null,
"boost_clock_mhz": null
},
"core": {
"title": "MB Quart - Tuned 6-1/2\" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT - Black",
"seo_title": "MB Quart MBQJ-STG4A-1"
},
"lens": {
"mount": null,
"weight": null,
"focal_length": null,
"max_aperture": null,
"stabilization": null
},
"audio": {
"driver": "6-1/2\"",
"wireless": "No",
"technology": null,
"impedance_ohms": null,
"speakers_count": null,
"wireless_codecs": null,
"hi_res_certified": null,
"frequency_response": "75 hertz - 23 kilohertz"
},
"brand": "MB Quart",
"build": {
"screen_glass": null,
"chassis_material": null
},
"color": null,
"extra": null,
"model": "MBQJ-STG4A-1",
"ports": {
"hdmi": null,
"usb_a": null,
"usb_c": null,
"sd_card": null,
"summary": null,
"ethernet": null,
"sim_slot": null,
"displayport": null,
"thunderbolt": null,
"headphone_jack": null
},
"power": {
"psu_watts": null
},
"camera": {
"mount": null,
"sensor": null,
"weight": null,
"iso_range": null,
"megapixels": null,
"rear_megapixels": null,
"front_megapixels": null,
"video_resolution": null,
"windows_hello_ir": null
},
"gtin14": "00806576236573",
"images": [
"https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/052d8761-3b45-49b7-aad1-d324bc7506a8.jpg"
],
"memory": {
"ram_gb": null,
"channels": null,
"ram_type": null,
"speed_mhz": null
},
"series": null,
"battery": {
"life_hours": null,
"capacity_wh": null,
"capacity_mah": null
},
"display": {
"panel_type": null,
"resolution": null,
"color_gamut": null,
"hdr_formats": null,
"touch_screen": null,
"screen_size_in": null,
"brightness_nits": null,
"refresh_rate_hz": null,
"response_time_ms": null,
"pantone_validated": null
},
"release": {
"year": null
},
"storage": {
"interface": null,
"nand_type": null,
"read_speed": null,
"capacity_gb": null,
"form_factor": null,
"write_speed": null,
"endurance_tbw": null,
"storage_capacity_gb": null
},
"category": "audio",
"features": {
"webcam": null,
"windows_ai": null,
"form_factor": null,
"software_perks": null,
"backlit_keyboard": null,
"convertible_2in1": null,
"fingerprint_reader": null
},
"physical": {
"depth_in": 22.24,
"width_in": 18.34,
"height_in": 10.59,
"weight_kg": 11.79,
"dimensions_in": "10.59 x 18.34 x 22.24 in"
},
"thermals": {
"cooling_type": null,
"thermal_interface": null
},
"warranty": {
"labor": "1 Year",
"parts": "1 Year"
},
"wearable": {
"ecg": null,
"gps": null,
"spo2": null,
"skin_temp": null,
"heart_rate": null,
"display_type": null,
"nfc_payments": null,
"compatibility": null,
"music_storage": null,
"sleep_tracking": null,
"display_size_in": null,
"battery_life_days": null,
"stress_monitoring": null,
"smart_notifications": null,
"workout_modes_count": null,
"water_resistance_atm": null
},
"appliance": {
"btu": null,
"eer": null,
"ceer": null,
"type": null,
"modes": null,
"smart": null,
"steam": null,
"zones": null,
"finish": null,
"air_fry": null,
"burners": null,
"voltage": null,
"inverter": null,
"noise_db": null,
"fuel_type": null,
"ice_maker": null,
"wattage_w": null,
"convection": null,
"depth_type": null,
"door_alarm": null,
"fan_speeds": null,
"frost_free": null,
"rack_count": null,
"sensor_dry": null,
"third_rack": null,
"airflow_cfm": null,
"energy_star": null,
"filter_type": null,
"glide_racks": null,
"soil_sensor": null,
"broiler_type": null,
"cycles_count": null,
"defrost_type": null,
"garage_ready": null,
"tub_material": null,
"venting_type": null,
"air_direction": null,
"baskets_count": null,
"capacity_cuft": null,
"cleaning_type": null,
"drum_material": null,
"drying_system": null,
"energy_rating": null,
"lighting_type": null,
"mounting_type": null,
"shelves_count": null,
"cooling_system": null,
"dimensions_hwd": null,
"interior_light": null,
"place_settings": null,
"room_size_sqft": null,
"sanitize_cycle": null,
"sensor_cooking": null,
"shelf_material": null,
"spin_speed_rpm": null,
"turntable_size": null,
"bottle_capacity": null,
"convection_type": null,
"water_dispenser": null,
"interior_coating": null,
"annual_energy_kwh": null,
"cutout_dimensions": null,
"humidity_crispers": null,
"temperature_range": null,
"wash_cycles_count": null,
"oven_capacity_cuft": null,
"water_level_control": null,
"agitator_or_impeller": null,
"capacity_fridge_cuft": null,
"daily_production_lbs": null,
"independent_controls": null,
"capacity_freezer_cuft": null,
"lower_oven_capacity_cuft": null,
"upper_oven_capacity_cuft": null
},
"networking": {
"ports": null,
"cellular": null,
"band_count": null,
"throughput": null,
"wifi_standard": null,
"ethernet_ports": null
},
"peripheral": {
"dpi": null,
"rgb": null,
"platform": null,
"driver_mm": null,
"vibration": null,
"microphone": null,
"sensor_type": null,
"switch_type": null,
"connectivity": null
},
"smart_home": {
"learning": null,
"resolution": null,
"connectivity": null,
"night_vision": null,
"power_source": null,
"compatibility": null,
"chime_included": null
},
"certifications": {
"energy_star": null,
"epeat_level": null
},
"schema_version": 1
}
Related products
Simple similarity over extracted specs (publish_set only)
Debug data (expand)
| Raw title | MB Quart - Tuned 6-1/2" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT - 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 6-1/2" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT - Black |
|---|---|
| core.seo_title | MB Quart MBQJ-STG4A-1 |
| audio.driver | 6-1/2" |
| audio.wireless | No |
| audio.frequency_response | 75 hertz - 23 kilohertz |
| brand | MB Quart |
| model | MBQJ-STG4A-1 |
| gtin14 | 00806576236573 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/052d8761-3b45-49b7-aad1-d324bc7506a8.jpg |
| category | audio |
| physical.depth_in | 22.24 |
| physical.width_in | 18.34 |
| physical.height_in | 10.59 |
| physical.weight_kg | 11.79 |
| physical.dimensions_in | 10.59 x 18.34 x 22.24 in |
| warranty.labor | 1 Year |
| warranty.parts | 1 Year |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
{
"sku": 6613287,
"upc": "806576236573",
"url": "https://api.bestbuy.com/click/-/6613287/pdp",
"name": "MB Quart - Tuned 6-1/2\" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT - Black",
"image": "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/052d8761-3b45-49b7-aad1-d324bc7506a8.jpg",
"details": [
{
"name": "Brand",
"value": "MB Quart",
"values": [
"MB Quart"
]
},
{
"name": "Model Number",
"value": "MBQJ-STG4A-1",
"values": [
"MBQJ-STG4A-1"
]
},
{
"name": "Product Name",
"value": "Tuned 6-1/2\" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT",
"values": [
"Tuned 6-1/2\" Coaxial Car 4-Speaker Kit with Fiber Cones for Jeep Wrangler JL and Gladiator JT"
]
},
{
"name": "Color",
"value": "Black",
"values": [
"Black"
]
},
{
"name": "RMS Power",
"value": "150 watts",
"values": [
"150 watts"
]
},
{
"name": "Peak Power Handling",
"value": "300 watts",
"values": [
"300 watts"
]
},
{
"name": "Minimum Frequency Response",
"value": "75 hertz",
"values": [
"75 hertz"
]
},
{
"name": "Maximum Frequency Response",
"value": "23 kilohertz",
"values": [
"23 kilohertz"
]
},
{
"name": "Sensitivity",
"value": "89 decibels",
"values": [
"89 decibels"
]
},
{
"name": "Integrated Crossover",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Speaker Size",
"value": "6-1/2\"",
"values": [
"6-1/2\""
]
},
{
"name": "Speaker Type",
"value": "Coaxial",
"values": [
"Coaxial"
]
},
{
"name": "Woofer Composition",
"value": "Paper",
"values": [
"Paper"
]
},
{
"name": "Product Height",
"value": "10.59 inches",
"values": [
"10.59 inches"
]
},
{
"name": "Product Width",
"value": "18.34 inches",
"values": [
"18.34 inches"
]
},
{
"name": "Product Depth",
"value": "22.24 inches",
"values": [
"22.24 inches"
]
},
{
"name": "Product Weight",
"value": "26 pounds",
"values": [
"26 pounds"
]
},
{
"name": "Number Of Speakers",
"value": "4",
"values": [
"4"
]
},
{
"name": "Warranty - Parts",
"value": "1 year",
"values": [
"1 year"
]
},
{
"name": "Warranty - Labor",
"value": "1 year",
"values": [
"1 year"
]
}
],
"features": [
{
"feature": "800W STAGE 4 system\nTuned speaker system upgrade for Jeep Wrangler (JL) 2018-current and Jeep Gladiator (JT) 2020-current with OEM radio models."
},
{
"feature": "Designed for OEM source units\nOptimized for use with OEM head units for enhanced performance."
},
{
"feature": "Two 6-1/2\" and two 3-1/2\" speakers\nProvide powerful performance and improved efficiency."
},
{
"feature": "3/4\" tweeters\nOffer exceptional reproduction of high frequencies."
},
{
"feature": "Lightweight yet durable paper cones\nHelp improve sensitivity while reducing distortion."
},
{
"feature": "75Hz - 23kHz frequency response\nAccurately produces a wide range of sound."
},
{
"feature": "Maximum power up to 300W (150W nominal)\nFor rich sound."
},
{
"feature": "Two 400W high-efficiency Class-D amplifiers\nCompact NA2 amplifiers with onboard equalization for outstanding sound control."
}
],
"condition": "New",
"salePrice": 1479.99,
"categoryPath": [
{
"id": "cat00000",
"name": "Best Buy"
},
{
"id": "abcat0300000",
"name": "Car Electronics & GPS"
},
{
"id": "abcat0302000",
"name": "Car Audio"
},
{
"id": "abcat0302005",
"name": "Car Speakers"
}
],
"manufacturer": "MB Quart",
"regularPrice": 1479.99,
"shippingCost": "",
"longDescription": "Turn up the music with this black MB Quart tuned 6-1/2\" coaxial car four-speaker kit for Jeep Wrangler JL and Gladiator JT. The 0.75\" tweeters deliver crisp high frequencies for an immersive listening experience, while the lightweight yet durable paper cones minimize harmonic distortion for precise, accurate sound.",
"shortDescription": null,
"onlineAvailability": true,
"inStoreAvailability": true
}
Newegg raw specs
No Newegg raw specs saved for this product yet.