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: $45–89.99
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: 100 (computed 2026-04-28 07:03)
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 populated specs
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 → 2026-04-28 02:44
Newegg 9SIA8PT7V22034 45.00 USD In stock View offer → 2026-04-21 02:12

Recent price history (50)

Show price log (50 entries)
Retailer Price Stock Seen at
bestbuy 89.99 USD In stock 2026-04-28 02:44
bestbuy 89.99 USD In stock 2026-04-26 02:44
bestbuy 89.99 USD In stock 2026-04-25 02:41
bestbuy 89.99 USD In stock 2026-04-24 02:33
bestbuy 89.99 USD In stock 2026-04-23 02:36
bestbuy 89.99 USD In stock 2026-04-22 02:38
bestbuy 89.99 USD In stock 2026-04-21 02:41
newegg 45.00 USD In stock 2026-04-21 02:12
bestbuy 89.99 USD In stock 2026-04-20 02:45
newegg 45.00 USD In stock 2026-04-20 02:20
bestbuy 89.99 USD In stock 2026-04-19 02:37
newegg 45.00 USD In stock 2026-04-19 02:24
bestbuy 89.99 USD In stock 2026-04-18 02:40
newegg 45.00 USD In stock 2026-04-18 02:23
bestbuy 89.99 USD In stock 2026-04-17 02:45
newegg 45.00 USD In stock 2026-04-17 02:25
newegg 45.00 USD In stock 2026-04-16 13:29
bestbuy 89.99 USD In stock 2026-04-16 02:41
newegg 45.00 USD In stock 2026-04-16 02:15
bestbuy 89.99 USD In stock 2026-04-15 02:42
newegg 45.00 USD In stock 2026-04-15 02:21
bestbuy 89.99 USD In stock 2026-04-14 02:34
newegg 45.00 USD In stock 2026-04-14 02:16
bestbuy 89.99 USD In stock 2026-04-13 02:36
newegg 45.00 USD In stock 2026-04-13 02:26
bestbuy 89.99 USD In stock 2026-04-12 02:44
newegg 45.00 USD In stock 2026-04-12 02:25
bestbuy 89.99 USD In stock 2026-04-11 02:42
newegg 45.00 USD In stock 2026-04-11 02:20
bestbuy 89.99 USD In stock 2026-04-10 02:39
newegg 45.00 USD In stock 2026-04-10 02:27
bestbuy 89.99 USD In stock 2026-04-09 02:43
newegg 45.00 USD In stock 2026-04-09 02:12
bestbuy 89.99 USD In stock 2026-04-08 02:39
newegg 45.00 USD In stock 2026-04-08 02:28
newegg 45.00 USD In stock 2026-04-07 02:21
newegg 45.00 USD In stock 2026-04-06 02:23
bestbuy 89.99 USD In stock 2026-04-05 02:42
newegg 45.00 USD In stock 2026-04-05 02:17
bestbuy 89.99 USD In stock 2026-04-04 02:41
newegg 45.00 USD In stock 2026-04-04 02:13
bestbuy 89.99 USD In stock 2026-04-03 02:38
newegg 45.00 USD In stock 2026-04-03 02:20
bestbuy 89.99 USD In stock 2026-04-02 02:40
newegg 45.00 USD In stock 2026-04-02 02:16
bestbuy 89.99 USD In stock 2026-04-01 02:39
newegg 45.00 USD In stock 2026-04-01 02:22
bestbuy 89.99 USD In stock 2026-03-31 02:50
newegg 45.00 USD In stock 2026-03-31 02:19
bestbuy 89.99 USD In stock 2026-03-30 02:36

Full specs

Show full spec table
Driver6" x 9"
Frequency response46 hertz - 20 kilohertz
Impedance (ohms)4
Wireless (BT/WiFi)No
Reconciled at2026-03-18 02:22
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 (populated fields only)
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
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category audio
physical.depth_in 14.25
physical.width_in 11.75
physical.height_in 5.5
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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
raw_specs_text (pretty) — expand
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