Hosa CMP-159 3.5mm (1/8 Inch) to 1/4 Inch X 2 Cable
Hosa
$11.95
This Specialty Cable is Stereo 3.5mm (M) - Two Mono 1/4" Phone, 10 ft.
Details:
The CMP-159 splits a Stereo Mini (1/8") signal into Left and Right Mono (1/4" X 2).