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Power Acoustik LFA2-420

420W Max, 2-Channel LFA Series (Loud Freeking Amplifiers) Amplifier

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  • LFA Series 2-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 80 watts x 2 chan.
    • 2 ohms: 95 watts x 2 chan.
    • Bridged, 4 ohms: 190 watts x 1 chan.
  • Max power output: 420 watts x 1 chan.
  • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs
  • LED power and protection indicators
  • Tuned Bass EQ (0-18 dB bass boost)
  • Tri-mode capable
  • Preamp RCA outputs
  • 3-Way protection circuitry
  • System distress indicator
  • Shiny jet black heatsink with diamond cut rubs
  • Platinum-plated RCA level inputs
  • Platinum-plated screw terminals
  • Variable high-pass filter (40-250 Hz, 24 dB/octave)
  • Variable low-pass filter (40-250 Hz, 24 dB/octave)
  • Frequency response: 10-30000 Hz
  • Dimensions: 6.5"L x 10.4"W x 2.4"H
  • 8-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 2-year Manufacturer's warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms80 watts x 2 channels
RMS Power @ 2 ohms95 watts x 2 channels
RMS Power @ 1 ohmN/A
Bridged RMS Power190 watts x 1 channel
Peak Power Output420 watts x 1 channel
Amplifier Specifications
Amplifier ClassAB
Number of Channels2
Total Peak Power Output420 watts
Total RMS Power Output190 watts
Maximum Input Gauge Size8 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.02%
Speaker Level InputsNo
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency40 - 250 Hz
Low-Pass Crossover Frequency40 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio97 dB
Channel SeparationN/A
Bass Boost0 - 18 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating15A x 1 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Product Summary

Manufacturer: Power Acoustik
Model number: LFA2-420
UPC: 709483028654
Weight: 6.00 lbs
Internal SKU: lfa2420
Internal product ID: 14076

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I was very satisfied with the arrival date and quality of my product, as well as the tracking accuracy.

- Rhetoric14 from Oak Island, NC

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