Using a passive volume control hooked to amp output for noise reduction | Audio Science Review (ASR) Forum
![Amazon.com: Nobsound High Precision Passive Preamp Volume Controller VOL Control HiFi Preamplifier ALPS (RCA&HiFi Version, Black) : Electronics Amazon.com: Nobsound High Precision Passive Preamp Volume Controller VOL Control HiFi Preamplifier ALPS (RCA&HiFi Version, Black) : Electronics](https://m.media-amazon.com/images/I/61pRganzy8S.jpg)
Amazon.com: Nobsound High Precision Passive Preamp Volume Controller VOL Control HiFi Preamplifier ALPS (RCA&HiFi Version, Black) : Electronics
![Cubilux 3.5mm TRRS Volume Control, 1/8-inch Audio Volume Controller for Speakers, Earphones, Headphones, Phones, Tablets, Laptops, PC, Computers Cubilux 3.5mm TRRS Volume Control, 1/8-inch Audio Volume Controller for Speakers, Earphones, Headphones, Phones, Tablets, Laptops, PC, Computers](https://m.media-amazon.com/images/I/61bNyM8iI2L.jpg)
Cubilux 3.5mm TRRS Volume Control, 1/8-inch Audio Volume Controller for Speakers, Earphones, Headphones, Phones, Tablets, Laptops, PC, Computers
![Elite Core EC-WBP-VC 3.5mm-F to XLRF Wired Body Pack for Headphone Extension with Volume Control | Full Compass Systems Elite Core EC-WBP-VC 3.5mm-F to XLRF Wired Body Pack for Headphone Extension with Volume Control | Full Compass Systems](https://www.fullcompass.com/common/products/original/208291.jpg)
Elite Core EC-WBP-VC 3.5mm-F to XLRF Wired Body Pack for Headphone Extension with Volume Control | Full Compass Systems
![Amazon.com: 3.5mm Computer Volume Control Switch, DROK PC Speaker Headset Audio Volume Controller Headphone Sound Switchable Giant Volume Adjuster Knob with 3.5 mm Microphone Interface and 5 Feet Cable : Electronics Amazon.com: 3.5mm Computer Volume Control Switch, DROK PC Speaker Headset Audio Volume Controller Headphone Sound Switchable Giant Volume Adjuster Knob with 3.5 mm Microphone Interface and 5 Feet Cable : Electronics](https://m.media-amazon.com/images/I/71joi8a3eJL.jpg)