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Polk DXi 4 Channel Amplifier 600 Watts


This amplifier features a bridgeable design that operates on multiple configurations and setups for quality performance. The switchable 3-position bass boost delivers impressive sound.


  • Geek Squad® installation
  • is strongly recommended for this product. Please visit your local Best Buy store for details.
  • Handles up to 600W peak power @ 4 ohms (300 x 2) or 680W peak power @ 2 ohms
  • For powerful sound. Up to 300W peak power @ 4 ohms bridged.
  • High-pass and low-pass crossover
  • Ensures flexible operation.
  • 4 ohms impedance
  • Conducts power evenly to keep the speaker at an appropriate level.
  • Bipolar output transistors
  • Pump voltage and current to your speakers or subwoofers. Switchable 180° phase inversion for simple sub-to-main integration.
  • Switchable 3-position bass boost
  • For enhanced lows.
  • 75dB sensitivity
  • Picks up the highs and lows for faithful sound reproduction.
  • Variable input gain
  • Optimizes match with multiple signal sources.
Technical Specifications
Amplifier Class AB
Bass Boost Yes
Birdgeable Yes
Continuous Watts x Channel @ Ohms 85 x 4
Maximum Watts x Channel @ Ohms 600W x 4 ohms
MOSFET Power Supply No
Mounting Hardware Included Yes
Number Of Channels 4
Total Power Handling 300 Watts
Line-Level Inputs Yes
Signal-to-Noise Ratio (SNR) 75 dB
Speaker-Level Inputs Yes

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