if you insist on two head units, you'll need a switching network like the Sony XA-39a which allows you to use two head units, and switches between them to avoid feedback, while using the same amplifiers and speakers for the entire system. 4 gauge versus 2 gauge) is negligible compared to the cost of having to run a second or larger wire in the future. Whether you&'re dealing with a car stereo, a receiver, or a tuner, most head units have two or three power inputs. Did I need to put fuse between the first and second battery? If your head unit doesn't have multiple preamp outputs, then you’ll have to … If this is the case, either remove the cap or push your wires down a little bit to make room for the power cable. When I install the sub I imagine the following options: Using the 4-channel amp RCA output to send sound to the a monoblock. Most electronic components such as amplifiers, active crossovers and equalizers need about 125mA to turn on. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\u00a9 2021 wikiHow, Inc. All rights reserved. Full stop. For tips on mounting the head unit before installing the subwoofer and amp, read on! This image may not be used by other entities without the express written consent of wikiHow, Inc.
\u00a9 2021 wikiHow, Inc. All rights reserved. I'm looking to install a bridged 2-channel amp and sub into an AH Holden Astra. Due to the fact that your power cable needs to handle the current draw from all of your amps at once, it needs to be significantly larger in gauge than called for by the specs of your individual amps. This image may not be used by other entities without the express written consent of wikiHow, Inc.