The Clarity Telephone Amplifier HA40 is a  integrated amplifier designed for moderate hearing loss and tone control. This unit makes any phone 100 times louder, providing clear and enhanced sound quality for users with difficulty hearing. With its easy-to-use design and compact size, this amplifier is perfect for enhancing phone conversations in the home. Made in China by the trusted brand Clarity, this amplifier is a reliable and effective solution for improved communication.