Panasonic

Panasonic KX-TGM450S Amplified Cordless Phone 50dB Volume Boost Silver

4.3 (694 reviews)
1.8 inch

Enhanced Communication for Clear and Comfortable Conversations The Panasonic KX-TGM450S amplified cordless phone is designed to provide clear and comfortable communication for individuals with hearing impairments. With volume boost, slow talk, and visual ringer features, this phone ensures you ne...

$199.96*$203.99Save 1%
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Enhanced Communication for Clear and Comfortable Conversations

The Panasonic KX-TGM450S amplified cordless phone is designed to provide clear and comfortable communication for individuals with hearing impairments. With volume boost, slow talk, and visual ringer features, this phone ensures you never miss a call and can understand every word.

Specifications:

  • Amplification: Up to 50dB volume boost
  • Ringer Volume: Up to 112dB
  • Slow Talk: Slows down speed of speech
  • Display: 1.8" Backlit LCD
  • Visual Ringer: Red LED on base unit and handset
  • Features: Speakerphone, Talking Caller ID, Talking Keypad and Phonebook, Intercom

Key Features

Hear and be heard, loud and clear with volume boost control for Amplified Caller voice volume up to 50 db., Plus six-level voice Tone settings and a loud base unit ringer

Understand every word, every time more clearly with slow talk to slow the speed of speech in Real time and when checking voice messages

Big white Backlit LCD, enlarged memory dial buttons Plus bright red LED visual ringer on base unit and Handset enhance visibility and Calling convenience. Rechargeable Battery Ni-MH

Hear calls from noisy places with noise Reduction to suppress background noise interference for clearer, more comfortable conversation

Includes power backup, speakerphone, talking Caller ID, talking keypad and phonebook, 9 speed dials, 250-number call block, intercom, accessories, and expandable to 6 handsets. LCD Display 1.8 inch (4.4 cm)

Specifications

Model
KX-TGM450S
Volume Boost
Up to 50 dB
Voice Tone Settings
Six levels
Display
1.8 inch (4.4 cm) Big white Backlit LCD
Ringer
Loud base unit ringer, Bright red LED visual ringer on base unit and Handset
Special Features
Slow Talk, Noise Reduction, Power backup, Speakerphone, Talking Caller ID, Talking keypad, Enlarged memory dial buttons
Battery Type
Rechargeable Battery Ni-MH
Speed Dials
9
Call Block Capacity
250 numbers
Expandability
Up to 6 handsets

Pros & Cons

👍 Pros

  • Offers a powerful volume boost control, amplifying caller voice volume up to 50 dB for enhanced clarity.
  • Features six-level voice Tone settings, allowing users to customize the audio to their personal hearing preferences.
  • Equipped with a loud base unit ringer, ensuring incoming calls are easily noticeable even in noisy environments.
  • Includes a Slow Talk function, which reduces the speed of speech both in real time and during voice message playback for better understanding.
  • Features a big white backlit 1.8-inch LCD display, providing excellent visibility of caller ID and menu options.
  • Comes with enlarged memory dial buttons, making it simpler for users with dexterity challenges to dial frequently used numbers.
  • Includes a bright red LED visual ringer on both the base unit and handset, offering a prominent visual alert for incoming calls.
  • Incorporates Noise Reduction technology to suppress background interference, leading to clearer and more comfortable conversations.
  • Provides power backup functionality, ensuring the phone remains operational during power outages.
  • Offers a speakerphone for convenient hands-free conversations.
  • Includes Talking Caller ID and Talking Keypad for audible feedback, aiding users with visual impairments.
  • Features 9 speed dials for quick access to important contacts and a 250-number call block to filter unwanted calls effectively.
  • Supports intercom functionality between handsets and is expandable to include up to 6 handsets for broader coverage.

👎 Cons

  • The 1.8-inch LCD display, while backlit, might still be considered relatively small for some users preferring larger screen interfaces.
  • The system's expandability to 6 handsets means additional handsets are separate purchases, increasing the total investment.
  • While it mentions power backup, specific details on how long the backup lasts are not provided.
  • The phone requires a rechargeable Ni-MH battery, and its lifespan or replacement cost is not mentioned.
  • The system is designed for landline use or linking to a cell phone, not operating as a standalone mobile device.

Frequently Asked Questions

The Panasonic KX-TGM450S offers volume boost control for amplified caller voice volume up to 50 dB, ensuring clear conversations.
Yes, it includes a "Slow Talk" feature that slows the speed of speech, both in real time during a call and when checking voice messages, for better comprehension.
It features a big white backlit 1.8-inch (4.4 cm) LCD display, which enhances visibility of caller information and menu options.
Yes, the phone incorporates Noise Reduction technology to suppress background noise interference, leading to clearer and more comfortable conversations.
Yes, it includes bright red LED visual ringers on both the base unit and the handset to ensure you always see when the phone is ringing.
The Panasonic KX-TGM450S includes a power backup feature, ensuring the phone remains functional even during power outages.
The phone system offers a 250-number call block feature, allowing you to effectively filter unwanted calls.