# Subwoofer size and connectivity

**URL:** <https://forum.psaudio.com/t/subwoofer-size-and-connectivity/9455>\
**Category:** Loudspeakers\
**Created:** [February 20, 2019, 2:57pm UTC](https://forum.psaudio.com/t/subwoofer-size-and-connectivity/9455 "2019-02-20T14:57:02Z")\
**Posts on this page:** 1\
**Showing post:** 48

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**Author:** ![dawkinsj](https://avatars.discourse-cdn.com/v4/letter/d/a5b964/32.png) [@dawkinsj](https://forum.psaudio.com/u/dawkinsj)\
**Post date:** [March 7, 2019, 12:01am UTC](https://forum.psaudio.com/t/subwoofer-size-and-connectivity/9455/48 "2019-03-07T00:01:32Z")

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It’s pretty simple really. Just get a second set of inexpensive speaker cables and connect both sets of positive and negative connectors on the sub end. On the amp end connect just the positives to the amp and the negatives to an alternate grounding point. I used the grounding post on a Line conditioner.

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