DYNASTY PROAUDIO PMC-2 Premium Passive 2 x 2 Studio Monitor Volume Controller

Stereo preamp, monitor controller, level controller or mixer. MC https://www.amazon.com/gp/aw/d/B09RNF2Y5Q with XLR, TRS, RCA, 3.5mm and 2 input switch. SP https://www.schiit.com/products/sys with RCA and 2 input switch. SP https://www.crutchfield.com/S-bhFq9QgL5s1/p_452PRE1/OSD-Pre-1.html with RCA and 5 input switch plus a built in phono preamp. LC https://www.amazon.com/PAC-LC-1-Remote-Amplifier-Controller/dp/B0002J226O with RCA. Speaker Placement • Intro to Home Stereo Systems • Turntable and Speakers Setup Guide • Record Cleaning • Audio Guides

Try both and use the speakers you like better. For the studio monitors to have unified volume control you will need a level controller, monitor controller, stereo preamp or mixer. Level controller https://www.amazon.com/PAC-LC-1-Remote-Amplifier-Controller/dp/B0002J226O Monitor controller, has TRS outputs if you already have TRS cables instead of buying RCA to TRS adapters or cables https://www.amazon.com/gp/aw/d/B09RNF2Y5Q Stereo preamp https://www.schiit.com/products/sys Stereo preamp with built in phono preamp and you could return the Fluance phono preamp https://www.crutchfield.com/S-bhFq9QgL5s1/p_452PRE1/OSD-Pre-1.html Speaker Placement • Intro to Home Stereo Systems • Turntable and Speakers Setup Guide • Record Cleaning • Audio Guides