Polk Audio 600 Watt 4-Channel Amplifier

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SKU: PA660
Brand: Polk
Condition: Refurbished
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The Polk Audio 4-Channel Amplifier is a high performing mobile audio amp that has built-in fully variable low-pass crossover and has the power and style that you need to truly enjoy your music.

This amplifier features Capacitive Coupling Technology, an advanced signal-blocking technology that delivers an extended dynamic range and a deep bass response for detailed musicality with little coloration.

This amp can manage a 2-channel operation with a maximum power of 600 watts when the front and rear-bridged channels are driven into 4-ohm speaker loads.

Get a high-performing mobile audio amp, the Polk Audio 4-Channel Amplifier.

Certified Refurbished Items

This is a used item that has been professionally restored to working order by a manufacturer or manufacturer-approved vendor. This means the product will show signs of use, such as scratches and scuffs, but has been inspected and repaired to meet manufacturer specifications and is in the original working condition. This item may or may not be in the original packaging.
  • High performance 4-channel mobile audio amplifier
  • 4-channel
  • Class A/B
  • Built-in fully variable low-pass crossover
  • Remote gain
  • Capable of 2-channel operation
  • Maximum power: 600 watts
  • 75 watts x 4 continuous, 85 watts x 4 dynamic power (2 ohm load), 4 channel mode
  • 150 watts x 2 (4 ohm) continuous power, 2 channel mode
  • 4-channel, dual bridge-mono (2-channel), or dual simultaneous stereo/mono operation provide a variety of configurations and setups: 4-channel for front and rear speakers; 2 speakers and a sub; 2 subwoofers
  • 2 ohm stable 4-channel operation
  • High-speed MOSFET switching power supply
  • Double layer fiberglass epoxy printed circuit boards
  • 6-way Smart System Protection (SSP) circuits
  • Variable bass boost (0dB, +8dB)
  • Variable input gain optimizes match with different signal sources (250mv to 8V)
  • Mounting hardware with rubber isolation grommets and extra fuses included
  • Multi-color status LED
  • Durable, high performance fabric dome tweeters
  • Capacitive Coupling Technology (CCT), an advanced signal-blocking technology that overcomes the usual limitations of small-enclosure loudspeakers (slim dynamics and no low frequency response), delivers extended dynamic range and enhancing deep bass response for clear, detailed musicality with little or no coloration
  • Glass-filled ABS enclosure
  • 5-way gold-plated binding posts
  • Color: Black
  • Dimensions: 6.7 x 5.9 x 3.1 inches
  • Weight: 9.6 pounds
  • Product Warranty: 90-day warranty
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