Specifications:

• Four 1/4 inch 6.35mm Plug Socket Panel, Square Flange with hole.
• Two out of four are balanced Stereo Female Socket, both TS and TRS application design.
• Two are just Mono TS socket
• Panel / Chassis Mount, nickel plated for maximum signal transfer & durability.
• Robust one-piece lead-frame and wall plate design, easy to install, just mount with screws and attach cables to front of plate.
• Suitable for loudspeaker box, speaker cabinet, raw materials of speaker and boom box and so on.