This Nady MicroMGT-16X Guitar Wireless System includes the MT-16R Instrument Transmitter and the MRX-16 Instrument Receiver.

The Nady MT-16R Instrument Transmitter is a lightweight, miniature transmitter that plugs directly into guitar, bass (even portable keyboard) output jack. No cord connection needed. The MT-16R is for use with right-angled surface mounted jacks only

The Nady MRX-16 Instrument Receiver offers unprecedented wireless portability and can be placed anywhere you choose. It has 16 user-selectable UHF frequencies for interference-free operation and features a ¼" plug for connecting receiver to powered speaker, mixer, or audio amplifier. The MRX-16 has an line-of-sight operating range of up to 250 ft. The ASC (Auto-Sync Channel) infrared wireless download pairs transmitter to selected receiver frequency for quick, easy setup. Powered by single AA battery or AC adapter (supplied).