Neo2020 Posted September 9, 2018 Report Share Posted September 9, 2018 Running two mono amps, one per sub. Signal out for HU is 5v. Running preouts to first (main) amp and second amp is connected to output of first amp. Problem is second amp sub is lower than the main amp sub. Can clearly see the difference in flex. Both amps are the exact same model and same settings. (Gains,boost,etc). Each amp has separate power wires. Running two 4 gauge OFC power cables (same length). Only thing I can think of is the second amp rca is about 15ft long connected to the first amp. Need any input of what could be wrong. Link to comment Share on other sites More sharing options...
Ron36 Posted September 9, 2018 Report Share Posted September 9, 2018 Can u strap the amps together, they would work with each other then. 2022 Ford Maverick on 22’s Skar SK1500.1 on 4 Skar VD-8’s Mids Sundown Super tweeters, Skar TX 6.5 components on Skar SKM400.4 LC2 for audio control , XS Power D680 XS Series Extra Battery Link to comment Share on other sites More sharing options...
Neo2020 Posted September 9, 2018 Author Report Share Posted September 9, 2018 I could strap them but I ran two separate power wires for each because 2000 rms on a 4 ga is too much. Not sure if it's a signal issue or power issue? Link to comment Share on other sites More sharing options...
SkarredSierra Posted September 9, 2018 Report Share Posted September 9, 2018 I never use the rca outputs to daisy chain amps. Use a rca splitter. Should fix your issues. Y is there 15 ft between your amps? Link to comment Share on other sites More sharing options...
Neo2020 Posted September 9, 2018 Author Report Share Posted September 9, 2018 Could Daisy chaining the RCA's be the cause of my bass knobs not working correctly? I can only turn up one knob. If I turn up both I get no bass. Link to comment Share on other sites More sharing options...
Neo2020 Posted September 10, 2018 Author Report Share Posted September 10, 2018 Mathew the dual amp kit has 2 15ft ofc rca's thats why. not sure if maybe the length is an issue also? Link to comment Share on other sites More sharing options...
SkarredSierra Posted September 10, 2018 Report Share Posted September 10, 2018 Certain amps may filter out either high or low pass signals wich could be causing the issue. Its good to have your rcas as short as possible because the long length can cause drops in voltage wich could very well cause your issue. Your best bet is to order a few female to male rca splitters and a couple 1 ft rca cables. Just split the left and right channels and run one left and one right to each amp. Ditch the bass knob. All they do is cause distortion. If you want 1 knob to control gains on both amps buy a pac lc1. It goes inline with your rcas so you can instal it in the front to control both amps. Link to comment Share on other sites More sharing options...
MrSkippyJ Posted September 10, 2018 Report Share Posted September 10, 2018 Did you actually match the output or just set the gain knobs to look the same? F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
Neo2020 Posted September 10, 2018 Author Report Share Posted September 10, 2018 Just set the gains to look the same. Not sure what you mean by match the output. They are both the same 1000 rms. How would I match the output? Link to comment Share on other sites More sharing options...
MrSkippyJ Posted September 10, 2018 Report Share Posted September 10, 2018 the position of the gain knobs means very little. you have to use the proper tools to measure the amps output to ensure each amp has the same output. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
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