PPN4-NLT4MB - 1RU 4 Port 4 Pole Speakon Patch Panel - G Series

Rear terminals are 1/4" male spade connectors for soldering.
As an alternative to soldering you could use crimp female disconnects, found HERE

Panel Specs & Info
Height x Width1RU (1.719") x 19"
19" Rack Mountable?Yes
23" Rack Mountable?Yes - with Rack Ear Extender Kit
19" Hinged Wall Bracket Mountable?Yes - with Hinged Wall Bracket

PPN4-NLT4MB - 1RU 4 Port Speakon Patch Panel - 4 Pole - G Series - Solder Tabs Rear - Front View

Front

PPN4-NLT4MB - 1RU 4 Port Speakon Patch Panel - 4 Pole - G Series - Solder Tabs Rear - Rear View

Rear