The Planet Waves PW-P047E is a 1/4" male stereo to 1/8" female stereo adaptor.
Digiflex HKP Performance Series 1/8" to 1/4" Cable (3')
HOSA RCA Dual to 1/4 Cables
Link AA9Y 1/4" F to 2 1/4" M
D'addario 1/4" Male to XLR Female Adaptor
D'addario 1/4" Stereo Coupler