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"Crescendo 4 Channel Amp"

132 items
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Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black - Angle
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  • Model: KTP-445U
  • SKU: 4769803
Variable 12dB/Oct high-pass crossover; RCA and auto sensing speaker-level connectors
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
Kicker - CX Series CXA3004 600W Class AB Bridgeable Multichannel Amplifier with Built-In Crossovers - Black - Larger Front
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  • Model: 43CXA3004
  • SKU: 4781700
FIT (Fail-Safe Integration Technology); DC offset and 12V remote auto turn-on modes; low-pass-filter and high-pass-filter crossovers; adjustable KickEQ
Kicker - CX-Series CX300.4 600W Class AB Bridgeable Multichannel Amplifier with Built-In Crossovers - Black - Larger Front
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  • Model: 12CX3004
  • SKU: 7945059
FIT (Fail-Safe Integration Technology); DC offset and 12V remote auto turn-on modes; low-pass-filter and high-pass-filter crossovers; adjustable KickEQ
Kenwood - 300W Class D Bridgeable Multichannel MOSFET Amplifier - Gray - Larger Front
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  • Model: KAC-M3004
  • SKU: 3500108
Bridgeable design; variable high-pass crossover; low-pass crossover; speaker level input; conformal-coated; signal-sensing turn on
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
Kenwood - Power Pack 180W Class D Multichannel Amplifier - Silver - Larger Front
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  • Model: KAC-M1804
  • SKU: 3935019
Conformal coating; Molex cover; line- and speaker-level inputs
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 - 240W Class AB Bridgeable Multichannel Amplifier - Black - Larger Front
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  • Model: GMA4604
  • SKU: 9563374
PIONEER 240W Class AB Bridgeable Multichannel Amplifier: 40-500Hz crossover frequency range; >94dB signal-to-noise ratio
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.

$85.99
On Sale
Save $44 (Reg. $129.99)
Pioneer - 1200W Class FD Bridgeable Multichannel Amplifier with Variable HPF/LPF Crossover - Black - 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.

On Sale
(Reg. $250.99)
Kicker CX-Series CX300.4 600W Amplifier, Installation Kit & Geek Squad® Installation - Front Detail
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  • SKU: 9999221800050001
Package includes an amplifier and amplifier installation kit, and installation performed at your local Best Buy store by MECP-certified Geek Squad Autotechs, whose workmanship is warrantied for life.

Kicker CX-Series CX300.4 600W Class AB Bridgeable Multichannel Amplifier
  • Handles up to 600W maximum power @ 2 ohms (150 x 4)
  • 50-200Hz low-pass-filter and high-pass-filter crossovers
  • Adjustable KickEQ bass boost
Kicker D-Series Amplifier Installation Kit
  • Direct-connect engineering
  • Twisted-pair technology
  • Eliminates noise and distortion
$289.97
Save $100 (Reg. $389.97)
Alpine - PDX-F4 Car Amplifier - 100 W @ 4 Ohm - 4 Channel - Larger Front
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  • Model: PDX-F4
  • SKU: 4151819
76 dB SNR - 1% THD Alpine PDX-F4 Car Amplifier - 100 W @ 4 Ohm - 4 Channel
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.

$499.99
MB Quart - 320W Class D Bridgeable Multichannel Amplifier - Black - Larger Front
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  • Model: NA1-320.4
  • SKU: 9077192
Q-Stasis preamplifier stage; 4-channel or bridged mono operation; gold-plated, corrosion-resistant connectors; 3-stage protection circuits; indicator lights; resists water damage
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.

$109.99
Power Acoustik - Razor Series 2000W Class D Bridgeable Multichannel MOSFET Amplifier - Black - Larger Front
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  • Model: RZ4-2000D
  • SKU: 8928114
High-pass/low-pass crossover; high-level input; dash-mount remote gain control; compact chassis
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.

$109.99
Power Acoustik - Razor Series 1200W Class D Bridgeable Multichannel MOSFET Amplifier - Black - Larger Front
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  • Model: RZ4-1200D
  • SKU: 8928239
High-pass/low-pass crossover; high-level input; dash-mount remote gain control; compact chassis
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.

$102.99
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
Pioneer - 360W Class AB Bridgeable Multichannel Amplifier - Black/Red - Larger Front
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  • Model: GMA6604
  • SKU: 9563365
PIONEER 360W Class AB Bridgeable Multichannel Amplifier: 30-500Hz crossover frequency range; more than 95dB signal-to-noise ratio
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.

$159.99
JVC - 300W Class AB Bridgeable Multichannel Amplifier - Black - Larger Front
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  • Model: KSAX204
  • SKU: 7717127
4, 3 or 2-channel operation; 300W maximum power output; high-pass filter; low-pass filter (80Hz, -12dB/oct); variable-input RCA level control (0.2-5V); 5-50,000Hz (-3dB) frequency response
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