2016 Mazda CX3 Sport, New System, No Sound

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scottwrrn

Member - Posts: 3

Joined: January 21, 2019

Location: Illinois, United States

Posted: January 21, 2019 at 4:52 AM / IP Logged

2016 Mazda cx-3 sport I am putting in 2 sets of components, audio control lc7i a 4 channel amp and a sub and amp, I’ve located wiring harness under passenger kick plate and have found the wires, i ran a 9 in 1 to front hooked into speakers and back to dsp, but when I turn everything on I am not getting the sound or power from amp??

The amp is powered and rca to dsp. I get no sound from sub at all. I’ve read the user manual to dsp and don’t understand what’s going on. Everything has power and is on. Also do I need to use the cross overs that came with speakers if I am using the dsp? Thanks in a adVance for any help

Scotty

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: January 21, 2019 at 6:23 AM / IP Logged

Do not play the speakers without the crossovers.

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scottwrrn

Member - Posts: 3

Joined: January 21, 2019

Location: Illinois, United States

Posted: January 21, 2019 at 9:52 AM / IP Logged

Ok thank you 1 question answered

Scotty

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i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: January 21, 2019 at 12:32 PM / IP Logged

Did you use a volt meter to verify the amp and DSP are getting adequate power? The power indicator on an amplifier or a processor is not always confirmation of power and ground.

Did you connect a known good speaker to the wires at the input of the DSP to verify that it has signal?

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scottwrrn

Member - Posts: 3

Joined: January 21, 2019

Location: Illinois, United States

Posted: January 27, 2019 at 12:54 PM / IP Logged

ok so little confused you asked did I install good speaker at input is dsp and verify sound? How do you do that. To my knowledge and please correct me if I am wrong but does the speakers come into dsp and then rca cables out to amp and speaker lines getting hooked into amp?

Scotty

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