B00ZA6OPCI Galaxy Audio AS-900 Wireless In-Ear Personal Monitor System, Code N1 (514.4 MHz)

Max Audio input level: +6dBV
N1 Frequency
150′ range
Single rackmount and earbuds included
The AS-900 is a single fixed frequency system. It is important that you choose an AS-900 frequency that is compatible in your location.