Phenyx Pro PTM-33 Mono Wireless in Ear Monitor System 4-Channel 4 Bodypacks for Studio/Band

Features：Crispy mono audio that lasts throughout your whole performance.Rugged-built receivers and bodypacks with a sleek design.Additional 1/4" outputs allow performers to monitor their own mixes before routing to the next stage devices. Rack-mountable with brackets included in the package. Easy synchronization process through IR sync.Multiple bodypack receivers with a single transmitter on the same frequency.Up to 160ft free operation range. Operates in the 900MHz range. 902.35-927.6MHz (100 frequencies )Specifications:Model Number:PTM-33Brand Name:Phenyx ProCertification:CE,FCC,RoHS,WEEENumber of Standalone Mix:4Number of Frequency:4x25Frequency Range:902 - 928MHzMono/Stereo:Mono onlyAudio Inputs:Stereo 1/4" TSAudio outputs:Stereo 1/4" TSOperating Distance:164ft/50m● DEVOTED SERVICE:Genuine Phenyx Pro audio products come with 12-month manufacturer assurance and supportive customer service. Welcome for troubleshooting or replacement of discontinuous/defective parts.●Q:To use them in mono and listen to both sides of the headphones, what input channel do I put them on?The signal input is used with mono or stereo plug ？●A:The system is mono. You can connect mono signals into the left input jack and you can hear it in both sides of your heaphones. The input jack is 1/4" TS mono.