Home Audio MB Quart Formula Series 6"

MB Quart - Formula Series 6" x 9" 2-Way Car Speakers with Polypropylene Cones (Pair) - Black

Price range: $89.99
Brand: MB Quart
Category: Audio
A pair of MB Quart headphones featuring 6" x 9" drivers, 46 Hz–20 kHz frequency response, and 4Ω impedance.
PQS: 95 (computed 2026-03-14 07:04:58.162367+00:00)
GTIN-14: 00806576228394
MB Quart - Formula Series 6" x 9" 2-Way Car Speakers with Polypropylene Cones (Pair) - Black

Key specs

A human-friendly subset of specs (non-null)
Driver
6" x 9"
Frequency response
46 hertz - 20 kilohertz
Impedance (ohms)
4
Wireless (BT/WiFi)
No

Offers

Retailer SKU Price Stock Offer Last seen
Best Buy 6507884 89.99 USD In stock View offer → 2026-03-14 02:42:18.784372+00:00

Recent price history (50)

Retailer Price Stock Seen at
bestbuy 89.99 USD In stock 2026-03-14 02:42:18.784372+00:00
bestbuy 89.99 USD In stock 2026-03-13 02:51:48.480691+00:00
bestbuy 89.99 USD In stock 2026-03-12 02:43:06.264699+00:00
bestbuy 89.99 USD In stock 2026-03-11 02:41:44.046257+00:00
bestbuy 89.99 USD In stock 2026-03-10 02:51:31.588790+00:00
bestbuy 89.99 USD In stock 2026-03-09 02:50:14.278424+00:00
bestbuy 89.99 USD In stock 2026-03-06 06:08:47.974219+00:00
bestbuy 89.99 USD In stock 2026-03-03 01:59:10.349343+00:00
bestbuy 89.99 USD In stock 2026-03-02 08:01:49.516386+00:00

Full specs

Show full spec table
Driver6" x 9"
Frequency response46 hertz - 20 kilohertz
Impedance (ohms)4
Wireless (BT/WiFi)No
Reconciled at2026-03-06 10:56:32.254648+00:00
Canonical JSON (expand)
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Debug data (expand)
Raw title MB Quart - Formula Series 6" x 9" 2-Way Car Speakers with Polypropylene Cones (Pair) - Black
Raw brandMB Quart
Raw categoryBest Buy > Car Electronics & GPS > Car Audio > Car Speakers
Canonical highlights (non-null)
core.title MB Quart - Formula Series 6" x 9" 2-Way Car Speakers with Polypropylene Cones (Pair) - Black
core.seo_title MB Quart FKB169
audio.driver 6" x 9"
audio.wireless No
audio.impedance_ohms 4
audio.frequency_response 46 hertz - 20 kilohertz
brand MB Quart
model FKB169
gtin14 00806576228394
images[0] https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6507/6507884_sd.jpg
category audio
physical.depth_in 14.25
physical.width_in 11.75
physical.height_in 5.5
physical.weight_kg 2.47
physical.dimensions_in 5.5 x 11.75 x 14.25 in
warranty.labor 1 Year
warranty.parts 1 Year
schema_version 1
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
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Newegg raw specs
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