Combined with the HDS-16, it provides an individual 8-channel mix to 2 sets of headphones.

Combined with the Furman HDS-16, this mixing station provides an individual 16-channel mix (8 mono and 4 stereo) to 2 sets of headphones. Incorporates a talkback system to communicate with other users and the main mixing location. Features a local effects send/return, line out, overall bass/treble controls, talkback level, and master level control. Supplied with a 25' Centronics 50-pin cable that eliminates the need for a snake.

Furman HRM-16 Personal Headphone Mixing Station Features:

Works with HDS-16 and provides one additional mix to 2 headphone outs
System provides each artist or pair of artists with their own mix
Ultralow distortion
Mic stand mountable
Talkback
Local effects send
Line out
2-band EQ
Master level