Amazon.com: BUZHI Mini Low Noise Volume Controller Volume Adjustment Device Passive Preamp Active Speaker Volume Adjustment Controller without External Power Supply and Lossless Output RCA Interface,Volume Adjust : Electronics
Ah59 02196a Audio Speaker Player Remote Control Fit For Active Speaker | Fruugo FR
Monitor Controllers
Cheap volume control for active speakers? | Audio Science Review (ASR) Forum
Knob Control Active Bluetooth Speaker Speaker Power Amplifier DJ Equipment with High Quality - China Audio Speaker and Line Array Speaker price | Made-in-China.com
Amazon.com: KGUSS Mini Active Volume Control Knob Volume Controller 3.5mm Audio Adjuster PC Speaker Amplifier Switcher,Volume Control Knob Speaker Audio Adjuster for Win10/8/7/Vista/XP/Mac KL : Electronics
Mini Passive Preamp with Volume Controller for Power Amplifier Active Speakers | eBay
Control 2P Powered Speaker | JBL Professional Loudspeakers | English
Active Speaker IGO SYSTEM SSP2112AU | Product catalog \ Sound System and Accessories \ Sound System Producers \ IGO SYSTEM