kenable Mono Cable 2.5mm Male to 3.5mm Mono Jack Plug Audio Lead 1.5m (~5 feet)

Monoprice 107121 2.5mm Mono Plug to 3.5mm Mono Jack Adaptor, Gold Plated

Monoprice 107121 2.5mm Mono Plug to 3.5mm Mono Jack Adaptor, Gold Plated (3 Pack)

YCS Basics 3 foot 2.5mm mono male / male cable

Amp Powers 3.5mm 1/8 male mini plug to male mini plug monaural mono audio cable 2 Pack

Cmple - 3.5mm Mono Plug to 2.5mm Mono Jack Adapter

Ancable 2-Pack 6-Feet Mono Cable 2.5mm Male to 3.5mm Mono Jack Plug - 12V Trigger Cable for Parasound Amp and Logitech Harmony Hub

CESS-351 3.5mm Male to 2.5mm Female TS Mono Audio Headphone Jack Adapter (LW) - 4 PACK

YCS Basics 6 foot 2.5mm Male to Female mono extension cable

Ancable 2-Pack 3.5mm 1/8 TS Male Mini Plug to Male Mini Plug Monaural Mono Audio Cable 3ft - 12V Trigger, IR Infrared Sensor Receiver Extender

Kenable Right Angle MONO 3.5mm Jack Plug to 3.5mm Jack Plug Cable Lead GOLD 1m (~3 feet)