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Power Acoustik LFA1-5500D

5500W Max, Class D Monoblock LFA Series Amplifier

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Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

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This item has been discontinued

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Product Highlights


Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Description


Power Acoustik brand icon

Authorized dealer

Power Acoustik's LFA amplifier series is popular among those that are looking for quality performance, while wanting to save some cash. Each amplifier in the LFA series feature a shinny jet black heat sink with diamond cut ribs. With the LFA series you are going to get loud sound. They aren't called LFA for nothing. These are Loud Freeking Amplifiers.
  • LFA Series Monoblock Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 1700 watts x 1 chan.
    • 2 ohm: 2500 watts x 1 chan.
    • 1 ohm: 3200 watts x 1 chan.
  • Max power output: 5500 watts x 1 chan.
  • Fully Regulated PWM power supply
  • Wired remote bass level control included
  • Power and Protection LED power indicators
  • Adjustable Tuned Bass EQ (0-18 dB Bass Boost)
  • Hi Speed Digital Circuitry
  • Selectable Crossover (Low)
  • Four-way protection circuit
  • 1-Ohm Stable
  • System Distress Indicator
  • Shinny jet black heatsink with diamond cut ribs for heat dissipation
  • Platinum plated power and speaker terminals
  • Variable low-pass filter (40-200 Hz, 24 dB/octave)
  • Variable Subsonic Filter (20-50 Hz)
  • Variable Subwoofer EQ @ 45 Hz
  • Signal to Noise Ratio: 100 dB
  • Frequency response: 20-200 Hz
  • Dimensions: 16-3/4D x 10-1/4W x 2-3/8H
  • 1/0 or 4 gauge power and ground wiring is required and recommended for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
1700 watts x 1 channel
RMS Power @ 2 ohms
2500 watts x 1 channel
RMS Power @ 1 ohm
3200 watts x 1 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
1 - Mono
Total Peak Power Output
5500 watts
Total RMS Power Output
3200 watts
Maximum Input Gauge Size
1/0 AWG
Minimum Impedance Unbridged
1 ohm
THD at Rated RMS Power
0.05%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
40 - 200 Hz
Subsonic Filter
20 - 50 Hz
Signal-to-Noise Ratio
100 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
Yes
Fuse Rating
40A x 5 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

LFA1-5500D

Weight:

16.00lbs

Internal SKU:

lfa15500d

Internal Product ID:

14615

Product and How-to Videos


Customer Ratings & Reviews


Power Acoustik LFA1-5500D thumbnail image

5 star
50%
4 star
40%
3 star
0%
2 star
10%
1 star
0%



Durability
4.1
Value
4.5
Features
4.4
Design
4.5
Usability
4.7

Customer Reviews

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good amp

I ordered this amp to push 1 18 9500 series DD 3500rms/6000 Watts that what the website said so I matched it with the rms on the amp it pushes it pretty good surprised the he** out of me i have it bridge at 1 ohm 24/7 doesn.t cut off make sure u have 4 ga or higher makes my whole dash move in my suburban for the I.ll buy another one the con the bass knob doesn't really work but who cares right and be careful with fins on this amp sharp cut me self trying to grab it with one hand on side but its a very good amp

By moose on November 1, 2010

5 found this helpful


Great Buy!

I bought this amp to power two 15 inch T-5 subs. Even at 2 ohms, it knocks my rear view mirror off every other week.

By Aycha on August 12, 2010

4 found this helpful


nice amp

very nice amp for the money. i have it wired at 2ohms to a 15" alpine type r in a 3 cubic foot ported box and the sub pounds like crazy. if i ever get another vehicle with room to spare im going with this same combo again.

By michael on May 17, 2010

4 found this helpful


Amazing

i currently have this baby pushing two 12" memphis mojos and so far so good. the only thing is that you will need a bigger alternator and a better battery, or better yet a capacitor. or you will kill the battery. but bottom line it is very powerful.

By Phil on December 27, 2008

4 found this helpful


lfa1

not a bad amp for the money

By kyle on November 20, 2010

3 found this helpful


great for the money

I have this powering 2 Kicker L5 15's and a 4000d version powering my other 15" L5s and yes this amp is overrated but it has done bench tests at high voltage at 2200 rms so if you want cheap power go with this these amps are very good for the price

By mn on July 20, 2010

3 found this helpful


ok

I think this amp is truly over rated. I did have the older ps1 series [that fried] and they sent this to replace it. This has less copper, less guts, and does not seem as powerful. these amps would be lucky to produce 2000 rms. If you can accept inflated power specs then this is good for the dollar.

By tony on December 13, 2009

2 found this helpful


Good Amp

i have 2 15's hcca orion's each at 2 ohm and each have there own amp i live in the virgin island and i play mostly reggae and these amp make these orion sound good i recommend this amp to anyone good rms for its good price

By The Beast From East on June 26, 2009

2 found this helpful


Amazing

I recommend this product to everyone, the output quality is amazing I have it powering to 12" L7 solo barics and let me tell you the sound is great and it hits really clean

By Jeremy on March 21, 2009

2 found this helpful


Ok while they last

Well I've had two of these amps so far, and both of them blew up eventually. First one lasted a whopping 35 mins, then just refused to kick out of protection mode, i benched it multiple times with different subs and head-units, and nothing. Sent it back got another which lasted 5 months, while it lasted it was OK at best i guess it to push about 1400-1500 watts at 1ohm. I'm pretty sure that's the problem, i don't think these amps are meant to be constantly run at 1ohm. Both of mine started cutting out during bass heavy sections or if i had it up, and then just quit working.

By Slasher on September 7, 2010

1 found this helpful




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