Univox CLS-1 is a compact yet powerful loop amplifier for wireless listening through your hearing aid. CLS-1 is developed for maximum power, versatility and ease of use and is equipped with Univox automatic gain control (Dual Action AGC) for a smooth sound experience. The thumb wheel volume control with digits for easily memorized setting of the right field strength level along with bass and treble controls secures pure sound quality. The metal case and effective cooling ensures long lasting problem free use. Connect CLS-1 to your TV, stereo, MP3, microphone or any other sound source that you want to hear clearly. A super sensitive dedicated microphone input with 12V phantom power and signal strength potentiometer, a combined mic/line input and a line input makes it possible to connect your CLS-1 to virtually any sound source you like. You can monitor your CLS-1 with three indicators in the front panel with blue LED’s for power connection, signal source level and loop current. Choose between loop pad, sofa loop and room loop cable for use with your CLS-1 and cover exactly the area you want. Place the loop pad in your favourite chair, the sofa loop underneath your sofa or the room loop around the walls of your room and tune your hearing aid into T position. With the headphones output you can even listen to the magnetic field acoustically.