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"circuit board"

Trade-In
Best Buy Trade-In
Find the trade-in value of your used iPod® or MP3 player.
27 items
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Show Me Science Advanced: Electronics - Science of Circuit Boards (DVD)  (Eng)  2011 - 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.

$34.99
Hifonics - Zeus 2400W Class D Mono MOSFET Subwoofer Amplifier - Silver - Larger Front
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  • Model: ZRX2416.1D
  • SKU: 9120011
On-board electronic crossover; boost EQ; bass remote; low-noise preamplifier; PWM MOSFET power supply; heat sink; simpatico coil design; low-level RCA inputs and outputs
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.

$189.99
Sony - Hi-Res Walkman 128GB* Video MP3 Player - Black - Larger Front
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  • Model: NWZX2BLK
  • SKU: 9381008
  • Google Android
  • 4" touch screen with 854 x 480 resolution
  • Wi-Fi enabled
  • 128GB* internal memory; microSD card slot
  • Bluetooth enabled; built-in video player
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.

$1,199.98
Polk Audio - 300W Class AB Bridgeable 2-Channel MOSFET Amplifier with Switchable Bass Boost - Black - Larger Front
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  • Model: PA330
  • SKU: 1007107
Selectable high or low-pass crossover; variable input gain; switchable 3-position bass boost
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.

$189.99
Kicker - 800W Class D Mono Amplifier with Variable Crossovers - Silver - Larger Front
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  • Model: 40KX8001
  • SKU: 9065413
FIT (Fail-Safe Integration Technology); adjustable KickEQ; built-in crossovers; double-sided fiberglass circuit board; magnetic panels; bass boost; compact footprint
Hifonics - Brutus 3000W Class D Mono MOSFET Subwoofer Amplifier - Silver/Black - Larger Front
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  • Model: BRX3016.1D
  • SKU: 9076088
On-board electronic crossover; parametric EQ; bass remote; low-noise preamplifier; simpatico coil design; 3-way protection circuitry; low-level RCA inputs and outputs
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.

$299.99
Kicker - KX Series 800W Class D Bridgeable Multichannel Amplifier with Built-in Crossovers - Gray - Larger Front
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  • Model: 40KX8005
  • SKU: 9065326
FIT (Fail-Safe Integration Technology); adjustable KickEQ; DC offset, 12V remote and audio auto turn-on modes; tri-mode; built-in crossovers; remote bass control
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.

$549.95
Kicker - KX Series 400W Class D Mono Amplifier with Built-in Crossovers - Silver - Larger Front
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  • Model: 40KX4001
  • SKU: 9065159
FIT (Fail-Safe Integration Technology); adjustable KickEQ; DC offset, 12V remote and audio auto turn-on modes; built-in crossovers; fiberglass circuit board; remote bass control
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.

$299.95
Hifonics - Brutus 2000W Class D Mono MOSFET Subwoofer Amplifier - Silver/Black - Larger Front
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  • Model: BRX2016.1D
  • SKU: 9076208
On-board electronic crossover; parametric EQ; bass remote; low-noise preamplifier; simpatico coil design; 3-way protection circuitry; low-level RCA inputs and outputs
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.

$259.99
Hifonics - Brutus 1100W Class D Mono MOSFET Subwoofer Amplifier - Silver/Black - Larger Front
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  • Model: BRX1116.1D
  • SKU: 9076015
On-board electronic crossover; parametric EQ; bass remote; low-noise preamplifier; simpatico coil design; 3-way protection circuitry; low-level RCA inputs and outputs
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.

$148.99
On Sale
Save $11 (Reg. $159.99)
Hifonics - Brutus 1500W Class D Mono MOSFET Subwoofer Amplifier - Silver/Black - Larger Front
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  • Model: BRX1516.1D
  • SKU: 9076184
On-board electronic crossover; parametric EQ; bass remote; low-noise preamplifier; simpatico coil design; 3-way protection circuitry; low-level RCA inputs and outputs
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.

$197.99
On Sale
Save $12 (Reg. $209.99)
Kenwood - 600W Digital Mono Amplifier with Low-Pass Crossover - Silver - Larger Front
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  • Model: KAC-M3001
  • SKU: 4561905
Signal-sensing turn on; conformal-coated circuit board; suitable for power sports and marine applications; variable low- and high-pass crossovers
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.

$199.99
Onkyo - 460W 2.0-Channel Power Amplifier - Black - Larger Front
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  • Model: M-5000R
  • SKU: 4350928
460W dynamic power; AWRAT (Advanced Wide Range Amplifier Technology); DIDRC (Direct Intermodulation Distortion Reduction); 2 toroidal transformers; symmetrical construction; antivibration aluminum panels
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.

$2,499.99
Kicker - PX100.2 Class AB 2-Channel Amplifier for Motorcycles and Power Sports Vehicles - Black - Larger Front
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  • Model: 12PX1002
  • SKU: 4222501
Selectable high- and low-pass crossovers; 2 auto turn-on modes; variable input gain adjustment; weather-resistant circuit board; rust-resistant hardware
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.

$169.99
Kicker - PX200.1 200W Class D Mono Amplifier for Motorcycles and Power Sports Vehicles - Black - Larger Front
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  • Model: 12PX2001
  • SKU: 4222514
Selectable low- and high-pass crossovers; 2 auto turn-on modes; weather-resistant circuit board; variable input gain adjustment; selectable bass boost
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.

$169.99