Question about Generic Memory Clif Designs 4000W Digital Clas X Amplifier Car Audio Amplifier

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Cracky sound when I first on the headunit

Cracky sound when you first on the headunit and amplifier how can i solve this problem im using 1000watts amp earthquake

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Try checkin your ground wire make sure its grounded on metal to metal no paint

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Hi what amp do i use on my starsound ssw-f1-1242 slim sub

any amplifier u use will make the sub work ( if configured for subwoofer play)

my recommendation is that u use between 400watt rms to 1000watt rms ( the smaller the box used for the sub, the more power you can give it)

please note though that playing at high power levels exceeding manufacturers specs needs someone who knows what they are doing (when it sounds distorted decrees power)

also make sure to match the headunits output voltage to the amplifiers voltage (eg. if the headunit output is 4 volt, then make sure to adjust the sensitivity on the amplifier to be at 4 volt as well)

hope this helps and let me know if you have any other question

Jan 02, 2014 | Car Audio & Video

1 Answer

Subs cut out when bass hits

assuming that both subwoofers are working fine: check what voltage output your headunit has (RCA output voltage) and match it to your amplifiers input sensitivity (GAIN) eg: if your headunit has 4 volt outputs then on this particular amplifier your gain knob would be completely to the left as if in the off or 0 posirion.

if u are not sure of your headunits output voltage you could check the manuals specification page or send me the barand and model number of your headunit and I will check it for u.

hope this helps. let me know if I can assist you any further.


Dec 26, 2013 | Alpine MRX-M50 - Monoblock 500 Watt RMS...

2 Answers

I have a 95 nissan maxima i am trying to replace stock radio(bose) w/a new cd player but once its hooked up im not hearing any sound? whats wrong with it?

Most Bose car stereos have an external amplifier. You will need to see if that is the case on your factory setup and remove the amplifier. Then hook the new headunit straight to the speakers.

May 30, 2011 | Car Audio & Video

1 Answer

My punch 250 a2 powers up but no sound is produced only static if i wiggle the speaker wire

um sounds like there is no sound input, if you are running rcas ensure they are plugged in and the radio and headunit, and check for a cut in the cable, this is very unusual not to have any power output at all, triple check your headunit outputs, and your amplifier inputs, make sure you arent crossed anywhere. hope this helps

Aug 08, 2010 | Rockford Fosgate Punch 250a2 Car Audio...

1 Answer

No sound from radio. cd player is playing. radio gets channels but no sound

If you are using the factory headunit, it is most likely an amplifier problem( check your fuses). Bad news: You have to have the factory headunit and amplifier for either to work. Good news: There is a lot of options for aftermarket setups. You would have to do a complete rewiring. Check out

Dec 04, 2009 | 1992 Lexus Sc 400

1 Answer

Amp comes on but no sound to the subs and i think i checed all wires and even got new rcas

Hi mate

I know loads of ppl who have had the same problem.
Are you getting an output from ur headunit RCA's? Sometimes you need to turn the sub RCA's on via ur headunit. I would make sure im getting an output from the headunit first.

Oct 24, 2009 | Car Audio & Video

1 Answer

Performance teknique icbm-782 amplifier will not power on

run 12 volt into your rem terminal and see if it comes on if it does your remote wire coming from the headunit is bad or cut

Apr 15, 2009 | Performance Teknique ICBM-782 Car Audio...

1 Answer


its called a hard turn on usually caused by the headunit sadly not really fixable very common in alot of lower cost headunits or even just older ones

Apr 12, 2009 | AudioBahn A8000T Car Audio Amplifier

1 Answer

Red light is on when i connect input cable earthquake 1000w amp

Cables are either shorted, or deck is putting out too much power for input on amp... many new head-units will put out up to 7v on the output jacks (RCA) the amp may only want to see up to 1v will need to consult head-unit manual for adjustment of outputs.

Jan 22, 2009 | Earthquake Sound PH-D2 Car Audio Amplifier

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