Name: MA Audio HK401SX
Brand: MA Audio
SKU: hk401sx
Price: 459.99 USD
Availability: Discontinued
Rating: 5.0000 (8 reviews)

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Product highlights

1800W RMS 1 Channel High Current Amplifier • 650W RMS x 1 @ 2 Ohm • 1200W RMS x 1 @ 1 Ohm • 1800W RMS x 1 @ 0.5 Ohm • 3-Way Protection Circuitry • Digital LCD Display • Variable Crossover • Subsonic Filter • Remote Bass Control

Learn more about the hk401sx

Product Highlights

Description

Authorized dealer

1800W RMS 1 Channel High Current Amplifier
500W RMS @ 4 Ohm Mono
650W RMS @ 2 Ohm Mono
1200W RMS @ 1 Ohm Mono
1800W RMS @ 0.5 Ohm Mono
Digital LCD Display (Voltage, Temperature & Output Level)
Platinum Plated Connections
Quiet Fan Cooling System
High Quality Power & Protection LED’s
Thermal / Short / Overload Protection Circuitry
0-18 dB Variable Bass Boost
40-250Hz Variable High Pass Crossover
40-250Hz Variable Low Pass Crossover
24dB Subsonic Filter
Remote Bass Control
THD @ 4 Ohm <0.05%
THD @ 2 Ohm <0.1%
THD @ 1 Ohm <1.0%
S/N Ratio: >90dB
Channel Separation: 60dB
Frequency Response: 20-20kHz
Input Voltage Range: 200mV - 8V
Input Impedance: 10k Ohm
Dimensions: 2.7" H x 12.4" W x 10.6" L
2-Year Manufacturer's warranty

Specifications & Details

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

500 watts x 1 channel

RMS Power @ 2 ohms

650 watts x 1 channel

RMS Power @ 1 ohm

1200 watts x 1 channel

Bridged RMS Power

Not Bridgeable

Amplifier Specifications

Number of Channels

1 - Mono

Total RMS Power Output

1800 watts

Minimum Impedance Unbridged

0.5 ohm

Minimum Impedance Bridged

Not Bridgeable

THD at Rated RMS Power

1.0%

Speaker Level Inputs

Preamp Outputs

1 pair

Built-in Crossover

Low-Pass (LP)
High-Pass (HP)

High-Pass Crossover Frequency

40 - 250 Hz

Low-Pass Crossover Frequency

40 - 250 Hz

Subsonic Filter

20 - 50 Hz

Signal-to-Noise Ratio

90 dB

Bass Boost

0 - 18 dB

Remote bass/level controller

Yes

Customer Ratings & Reviews

Overall rating distribution

5 star		100%
4 star		0%
3 star		0%
2 star		0%
1 star		0%

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Show only Verified Purchases

By feature average rating

Durability		4.8
Value		4.9
Features		4.8
Design		4.7
Usability		5

Customer Reviews

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Great Amp

I have had this amp for quite some time now and have not experienced any problems. I just recently upgraded from a 4awg wiring kit to a 1/0awg. If you plan to run this amp like me at .5 ohms then I definitely recommend 1/0awg. This amp is powering 2 12" kicker cvx's and they slam. I actually have to keep the boost and gain relatively low because I am afraid of blowing the subs. The price seems a lot higher then what I remember paying but if you want a competition grade amp then this is a good buy. Also the amp looks great, this is definitely one to mount in the open to show off.

By jason on October 2, 2008

9 found this helpful

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this amp is hard core

i have 2 MA Audio MA1200XL 12" 600watt dual 4 ohm subs hooked up to this amp running at 1 ohm it bangs hard hard... hasn't overheated, display on the top is real nice for working out electrical problems and verifying voltage and temperature... only bad thing to say about this amp is on the top it has hundreds of tiny holes so u can see thru to the circuit board which means it has no water resistance whatsoever, afraid to even consider opening my trunk while its raining... but thats probably why it stays so cool... great amp i would recommend it to anyone who's trunk doesn't leak!

By carrie on December 7, 2007

9 found this helpful

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KICKIN

I dont have my subs yet but i hooked it up to a couple of memphis m3 mojo 12" and man im telling you. my ears still hurt this thing pounds like hell. should be great when i get my MA Audio HK12X2's in a 6.2 cu.ft slot ported box.
WOW!!!!!!!!!!!! look out competitions here i come. all this in my s10 blazer
cant wait to see the bubble gums...(cops lights)
its gonna happen

By Michael on March 2, 2007

8 found this helpful

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Great amp for the price

I have (2) kicker L5 with this amp and it knocks great. They gave me a great deal. Great price for this amp.

By Sits on March 16, 2006

9 found this helpful

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nice amp

A lil power hungry but gets the job done. i haven't run it under 1 ohm yet but pushing a true 900-1000wrms at 1 ohm for this price is amazing.

had it on 2 kicker compVR 15 dvc4 and it slammed in my Cherokee.

By Ed on July 12, 2007

7 found this helpful

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Great Buy!

I have owned this amp for about 7 months and I have to say, it is a monster. I have it pushing 2 15" MA Audio 1500XL's with ease. I have also had this amp pushing 2 MTX 15's as well with no problem. Never had it overheat, and its pretty heavy, built dependable. Would recommend to anyone looking for a great amp at a great price.

By Benjamin on March 5, 2008

7 found this helpful

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one of the best amplifier i know

i have one of these amplifier hooked up to 4 kicker 05cvr124 and sound terrific.i measured with a spl meter and hits 148.3 db. i recommend this amplifier for everyday or competition use.

By Cesar on February 27, 2007

6 found this helpful

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Awesome amp!

I have this amp running 2 MA 12" HK's at .5 ohm. It is super stable, clean and has never overheated, even in 118 degree weather. I would definitely recommend this unit for anyone with big speakers.

By ryan on February 2, 2006

5 found this helpful

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Add-ons

NVX XLCA2X

2-Channel Line Out Converter

(12)

$109.99

List price $129.99

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MA Audio HK401SX

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This item has been discontinued

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