2 Pin Female

(CNA) 160-2
2 pin female speaker jack. Panel mount. 7/8" c-c mounting holes. 5/8" hole required. 1/4" c-c on contacts.

4 Pin Male

(CNA) 91-M4S
Amphenol 4 pin male connector.

$2 each - $1.85 (6+), $1.50 (25+)

$2.50 each - $2 (5+)