The TSD-MIX41 4x1 mic/line mixer is ideal for applications where multiple mic or line sources need to be sub mixed or summed.In house of worship applications the TSD-MIX41 is especially useful for combining similar sources such as choir microphones to a single mixer channel.The unit also works well as a stand-alone mic/line mixer that can be easily interfaced with Atlas Sound amplifiers.Other applications include restaurants, conference rooms, and schools.Each input is mic/line switchable with phantom power provided for condenser microphones.The high quality, low noise internal mic preamps ensure clarity and quiet operation without unwanted coloration.A 12dB/octave high pass filter @ 125Hz also is available on each input to minimize bass rumble and low frequency feedback.