Audio Technica AT8314-10 two-notes IR transmitter/receiver operates in conjunction

IR transmitter/receiver operates in conjunction with the ATCSA60TX transmitting unit and ATCS-A60RX receiving unit

or you want to add premium sound to your home theatre or gaming system

The difference is

you can set the overall range for these parameters

Audio Technica AT8314-10 two-notes IR transmitter/receiver operates in conjunctionAudio Technica Premium Microphone Cables are engineered for maximum signal transfer and minimum loss. Designed for low impedance operation, these balanced cables feature heavy duty construction and professional Neutrik connectors. To protect signal quality, each conductor has an individual spiral shield inside the molded insulating sheath. A conductive PVC layer inside each shield dissipates static buildup during flexing. Length: 10'