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Insignia™ - 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable - Black - Larger Front
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  • Model: NS-PU99501
  • SKU: 5883029
Connects a device with an RS-232 (DB9) serial port to a USB hub or computer; supports data transfer rates of more than 115 Kbps; PC and Mac compatible
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$19.99
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$12.99
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StarTech - 4-port USB-to-RS232 Serial DB9 Adapter Hub - Silver - Angle
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  • Model: ICUSB2324
  • SKU: 9734748
Compatible with devices with RS232 or USB connectivity; compatible with PC and Mac
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$63.99
StarTech - 2-Port USB-to-RS232 Serial DB9 Adapter Cable - Black - Larger Front
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  • Model: ICUSB232C2
  • SKU: 9684767
PC and Mac compatible; connects up to 2 DB9 RS232 serial devices simultaneously to your computer; plug-and-play installation
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$31.99
Polk Audio - 10" Single-Voice-Coil 4-Ohm Subwoofer - Black - Larger Front
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  • Model: DB1040
  • SKU: 6835041
POLK AUDIO 10" Single-Voice-Coil 4-Ohm Subwoofer: Handles up to 540W peak power; Klippel measurement technology; NOMEX spider; polymer-composite cone; injection-molded ABS dust cap; rubber gasket seal
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$89.99
JBL - BassPro SL 8" Loaded Subwoofer Enclosure with Integrated 125W Amp - Black - Larger Front
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  • Model: BASSPROSL
  • SKU: 4392900
125W Amp: Custom electronic circuitry; variable electronic crossover; selectable bass boost; ABS enclosure; under-the-seat installation
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$249.99
Kicker - Solo-Baric L7 12" Dual-Voice-Coil 2-Ohm Subwoofers with Enclosure - Black - Larger Front
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  • Model: DS12L72
  • SKU: 2304283
From our expanded online assortment; handles up to 3000W peak power (1500W RMS); nickel-plated, spring-loaded terminals; polypropylene woofer cones with santoprene surrounds
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$879.99
Kicker - Solo-Baric L7 10" Single Dual-Voice-Coil 2-Ohm Subwoofer with Enclosure - Angle
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  • Model: TS10L72
  • SKU: 2304583
From our expanded online assortment; handles up to 1200W peak power (600W RMS); nickel-plated, spring-loaded terminals; polypropylene woofer cone with santoprene surround
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$379.99
Kicker - CompR 12" Dual-Voice-Coil 2-Ohm Subwoofer - Black - Larger Front
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  • Model: 43CWR122
  • SKU: 4968900
Handles up to 1000W peak power (500W RMS); large-diameter, progressive-roll spider with Spiralead tinsel leads; 1-piece UniPlate; Quad Venting slots; SoloKon cone system; polypropylene cone; Santoprene surround; stamped-steel frame
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$149.99
Pioneer - 12" Component Subwoofer with 1,300 Watts Max. Power - Black, Red - Larger Front
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Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$79.99
Open-Box
As low as
$69.99
See all buying options
Buy new: $79.99
Kicker - CompR 12" Dual-Voice-Coil 2-Ohm Subwoofer - Black - Larger Front
You may compare up to four items at a time.

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  • Model: 40CWR122
  • SKU: 7739042
Handles up to 1000W peak power (500W RMS); progressive-roll spider with Spiralead tinsel leads; Quad Venting; 12" injection-molded polypropylene woofer cone; stamped steel frame; Santoprene surround
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$119.99
Kicker - CompR 10" Dual-Voice-Coil 2-Ohm Subwoofer - Black - Larger Front
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  • Model: 43CWR102
  • SKU: 4968903
Handles up to 800W peak power (400W RMS); large-diameter, progressive-roll spider with Spiralead tinsel leads; 1-piece UniPlate; Quad Venting slots; SoloKon cone system; polypropylene cone; Santoprene surround; stamped-steel frame
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$129.99
Kicker - CompVX 10" Dual-Voice-Coil 2-Ohm Subwoofer - Charcoal/Silver - Larger Front
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  • Model: 10CVX102
  • SKU: 7152201
Handles up to 1200W peak power (600W RMS); Solo-Baric L7 design; 10", 1-piece SoloKon cone; Santoprene surround; poly-cotton, semiprogressive-roll spider; cast-aluminum basket
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$249.99
Pioneer - Champion 10" Single-Voice-Coil 4-Ohm Subwoofer - Black - Larger Front
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  • Model: TSW261S4
  • SKU: 4573111
1200W maximum power handling (350W RMS); IMPP composite cone; dual-layer elastic polymer surround; single-piece basket design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$100.99
Kicker - Solo-Baric L7 12" Dual-Voice-Coil 2-Ohm Subwoofer - Black - Larger Front
You may compare up to four items at a time.

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  • Model: S12L72
  • SKU: 7137235
Handles up to 1500W peak power (750W RMS); SoloKon injection-molded polypropylene cone; heat-sinking cast-aluminum basket; 360° back bracing; Santoprene surround
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$399.99
Kicker - Solo-Baric L7 12" Dual-Voice-Coil 4-Ohm Subwoofer - Black - Larger Front
You may compare up to four items at a time.

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  • Model: S12L74
  • SKU: 7137183
Handles up to 1500W peak power (750W RMS); SoloKon injection-molded polypropylene cone; heat-sinking cast-aluminum basket; 360° back bracing; Santoprene surround
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$399.99