QUOTE(ch3n87 @ May 12 2012, 02:00 PM)
hey guys
my kancil using normal sound system below
audio quart 4channel
audio quart 12" subwoofer
2 x e-tone 4"mid
it work very well until last week every time when bass the music will down volume and the power light will blink
i turn off the gain for sub then the speaker work well =/
i check all the wire nothing wrong
and i use multi meter to check the battery when car running it show around 14-15v
but i check the amp batt+ and ground show around 9-10 only
what is the problem?

Hm...the grounding you connect properly or not ?
If yes then i want to know where you put the amp?
Is it under your car seat or rear boot?
Added on May 12, 2012, 5:38 pmQUOTE(ch3n87 @ May 12 2012, 02:00 PM)
hey guys
my kancil using normal sound system below
audio quart 4channel
audio quart 12" subwoofer
2 x e-tone 4"mid
it work very well until last week every time when bass the music will down volume and the power light will blink
i turn off the gain for sub then the speaker work well =/
i check all the wire nothing wrong
and i use multi meter to check the battery when car running it show around 14-15v
but i check the amp batt+ and ground show around 9-10 only
what is the problem?

Added on May 12, 2012, 5:41 pmThe amp grounding do you check?
If it is fix properly then maybe is you power cable problem.
You are using 8 gauge or 4 gauge power cable?
This post has been edited by terrencekiah: May 12 2012, 05:41 PM