Sennheiser Pro Audio Sennheiser ew IEM G4-Twin-A1 in Ear Monitor System (509613) Bundle with SKB iSeries Waterproof Case and Rapid Charger with 4 AA Batteries Red Panda The built-in 550mAh rechargeable lithium-ion

The built-in 550mAh rechargeable lithium-ion battery provides up to 10

which is sent to your speaker components

a loop-through 12G-SDI output

This is version 2

the VOX amPlug G2 Blues is a headphone amplifier for your electric guitar that takes up very little space

Sennheiser Pro Audio Sennheiser ew IEM G4-Twin-A1 in Ear Monitor System (509613) Bundle with SKB iSeries Waterproof Case and Rapid Charger with 4 AA Batteries Red Panda The built-in 550mAh rechargeable lithium-ionThe ew IEM G4 Twin Wireless Monitor System Kit from Sennheiser is an addition to Sennheiser's evolution family of wireless monitor systems. It includes an SR IEM G4 transmitter, two EK IEM G4 stereo receivers, two pairs of IE 4 earphones, a rod antenna, a GA 3 rackmount kit, and four AA batteries. This kit can be used as a rugged two person, all in one wireless in ear monitoring system for applications in live stage, theater, or house of worship