The Anchor Audio AMP-70 is a 70 V amplifier with 120 W, which creates a powerful sound. It is also compact, durable and easily operated. It has a fixed resistance 4 ohm output and 70 V output for long distance broadcasting. The four mic/line inputs and two RCA inputs allow for versatility in use. The AMP-70 can connect ten 10 W/70 V speakers to cover large areas for any application.