what brand gold plated rca u're using? usually not the connector to be culprit for the noise, but the cable itself, the shielding, quality.
what DIY cable u're using also?
i have one ah beng way of solution la as i am doing that for my current rca cable also.
take a red and black cable then put each wire to respective rca and plug in ur HU. the other end of red/black cable u joint together the wire and u ground it the HU body.
try it out and see what the out come la.
maybe u can change ur grounding point of your amp also as i read from one page that the seat belt bolt there not a very good grounding point for amp also.
Dear Members,
Ticket is priced at rm50 per head.( this ticket is entitled to 9th and 10th) You will get free Japan gt cap and touch n go card. But we will only convoy on the 10th. Those who wishes to go on 9th can...