Audtek VC70-R100 70V in-wall Volume Control HiFi Systems Headphone output:

Headphone output:

highly polished profile allows an exceedingly wide contact area to the groove walls and ensures notably detailed reproduction throughout the spectrum

Signal to noise ratio: 91dB @ 100 Hz A-weight

Supports VESA 200×100 – 700×400

as well as those with S-shaped tonearms

Audtek VC70-R100 70V in-wall Volume Control HiFi Systems Headphone output:The Decora Style Volume Control is specifically designed for 70 volt line PA speaker systems, offering a user friendly interface with 10 levels of attenuation via a reliable control. Its compact design fits most standard single gang electrical junction boxes for straightforward installation. 10 indented attenuation steps from no signal to full signal with no signal quality loss Design for use with any 70V speakers Fits into most deep single gang