JTS SIEM2 in-ear system consists of :

• 1 x JTS SIEM-2T transmitter
• 1 x JTS SIEM-2R receiver
• 1 x JTS IE1 earphones

Features :

• Developed with JTS advanced wireless technology
• UHF PLL 16 selectable channels
• Over 60 meters of stable operation distance
• Outstanding signal to noise ratio
• Light weight engineering plastic chassis
• Built in limit to protect hearing
• IE1
• This wideband dynadriver earphone reproduces full range of frequency, natural mids, and full highs and bass. It delivers sound musicians want and should be heard with full detail
• Three pairs of silicon sleeve are provided with different sizes for best fitting and sound isolation
• Human friendly mechanical structure ensures long time fatigueless wearing
• Ergonomic design for long-time wearing without fatigue

Specifications :

• Transmitter
• Carrier Frequency Range : 638-662MHz
• RF Output Power : 10 mW 
• Nominal Frequency Deviation (modulation) : ±40KHz 
• Audio Input Impedance : 20k ohm
• Nominal Input Level : -20 dBV 
• Maximal Input Level : 0 dBV 
• LED Display : AF Level, Channel 
• Audio Input Connector : 2 x Balanced XLR 
• Loop Out Connector : 2 x Ø6.3mm Balanced Loop Out Socket 
• Operation Voltage : 12-18 VDC, 600 mA 
• Reciever
• Frequency Preparation : PLL Synthesized 
• Control Carrier Frequency Range : 638-662MHz
• LED Display : Channel 
• Controls : Power On/Off, Channel selection, Volume control 
• Audio Frequency Response : 40~18,000 Hz 
• Output connector : 1/8” Dummy stereo Phone Jack 
• Battery life : 14 hours typical 
• Battery : 2 AA batteries