PANASONIC AMPLIFIED DIGITAL CORDLESS TELEPHONE

Panasonic KX-TGM490 Amplified Cordless Telephone with Digital Answering Machine
https://www.panasonic.com/ca/consumer/telephones-smart-home/cordless-phones/kx-tgm470.html

Amplifies incoming voice calls up to 40 dB
KX-TGM470W – Amplified cordless phone with digital answering machine (40 dB)