Mids and highs blown or amp broke?

[bass_addict07]

i have an audioque 90x4 powering 2 sets of alpine type r components and they have been doing fine for about a year and a half but recently they started getting distorted at high volumes and that happened after i had to slam on the brakes and recently i drove over a curb and realized later down the road that when i went to turn up the volume there was no sound at all, so i was assuming a loose connection somewhere but here is what ive found,

1.amp is on, has power and ground

2.has signal, tested rca voltage and got .05v at each one

3. it is putting out voltage at each output

4. looked at all connections and nothing has come loose

so im not sure if when i slammed on the brakes and drove over the curb if it knocked something inside the amp loose because its mounted on the back of a seat or if the components are blown, i know i have a good ground because my sub amp works just fine

[Watch the bass]

.05 volt´s on the RCA´s??? That´s nothing, normaly HU outputvoltage threw RCA is from vour HU is 4 volt´s. Check first the RCA output voltage direct @ the HU, is it

the RCA, maby only a cold or broken solder on the chinch.

[bass_addict07]

.05 volt´s on the RCA´s??? That´s nothing, normaly HU outputvoltage threw RCA is from vour HU is 4 volt´s. Check first the RCA output voltage direct @ the HU, is it

the RCA, maby only a cold or broken solder on the chinch.

well i measure the rcas at my sub amp and they were .05 also and my sub works just fine so i dont think it is my headunit or rcas