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0.5ft (0.15m) Velocity™ Two RCA Stereo Male to One RCA Mono Female Y-Cable | Audio Adapters and Couplers | Adapters and Couplers | Audio Video
SUM-PSPP | Stereo to Mono Summing Cable 1/4" Male TRS to 1/4" Male TS
Hosa Technology Stereo Mini Male to 2 Mono 1/4" Male CMP-153 B&H
Hosa YPP-136 Stereo 1/4-Inch Phone Female - Two Mono 1-Tip and 1-Ring 1/4-Inch Phone Male Y Cable (6 Inch)
Amazon.com: SiYear 1/4" Stereo to Dual 1/4" Mono Insert Cable, 6.35mm (Quarter inch Female TRS to Dual 1/4 Inch Male Y Splitter Breakout Cable Patch Cord (50CM) : Electronics
Klotz KYI-300 MiniLink Pro Insert Cable [Mono>Stereo] 3m | MUSIC STORE professional
Mono and Stereo (TRS) Cables - the Basics
Hosa Stereo 1/8" TRS to Two Mono 1/4" TS Cable | zZounds
Hosa CMP-153 3.5mm Stereo to Dual 1/4 Inch Mono Audio Cable (3 FT)
Y splitter Stereo to Mono cable x3 units
SUM-QSPP | Stereo to Mono Summing Cable 1/8" Male TRS to 1/4" Male TS
Castline Gold 3.5mm TRS to 1/4 TS Mogami 2549 Stereo to Mono Summing Cable with Resistors
10FT 6.35mm TRS Stereo Male to Dual 1/4" TS Mono Male Insert Audio Cable Black | eBay
0.5ft (0.15m) Value Series™ One RCA Mono Male to Two RCA Stereo Male Y-Cable | Audio Adapters and Couplers | Adapters and Couplers | Audio Video
Amazon.com: 3ft CablesOnline 3.5mm Stereo Male to Dual (Rd/Wh) Mono 3.5mm Blue Audio Breakout Cable, AM-603C : Electronics