Bypassing the Mic Preamp in DBX 286s
Frequently Asked Questions
Written by Peter Stauber
Updated at July 30th, 2026
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Brand:
- dbx
Models:
- 286s
Can I Input a Line Level Signal Into dbx 286s, bypassing the Mic Preamp?
Yes, using a TRS Insert Cable and the Insert Jack.
Using an insert cable [ such as the Hosa STP-204 Insert Cable - 1/4 inch TRS Male to Dual 1/4 inch TS Male ] one can input an unbalanced line level signal after the mic preamp, using the Insert jack.
- Plug the TRS (3 circuit) plug into the Insert jack on rear of DBX 286s
- Plug the Ring TS (2 circuit) plug into your line level source
- Suggested to tape or insulate the remaining, unused Tip plug so it doesn't touch anything and introduce noise.


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