Sennheiser Evolution EW 300 IEM G3 Bundle / B-Band - wireless in-ear system with 2x UHF bodypack receivers (EK 300 IEM G3) and 9.5" transmitter (SR 300 IEM G3), 3.5mm jack output for earphones, display (with frequency and battery power), 1680x switchable frequencies (in 42MHz range), frequency range: B-band (626-668MHz), 21x banks with up to 16x preset frequencies, adjustable limiter, 5-band EQ in transmitter, switchable HF power (10/30mW), pocket receiver with charger contacts for optional NiMH battery pack (BA 2015), autotune to search free frequencies, WSM support (Ethernet port for frequency management), LCD display with NF peak hold and HF power and channel, 1x BNC antenna connection, 2x female jack/XLR balanced combi inputs, power: 10.5-16V DC, includes power supply (NT 2), 2x earphones (IE 4), 2x 1.5V batteries and rack-kit (GA 3). Please note: Due to every country having different regulations, you may need to contact your local licensing authorities before using a wireless system.