Home » Phones 4 Elderly & Special Needs » Telephone Amplifiers   The following discounts apply to all these products. Free Delivery Over £50 CLA20 Portable Amplifier Details  Portable Telephone Amplifier Key Features · Amplification up to 20dB . 3 Position tone control (base/Normal/Treble) · Straps to connect to phone · Includes carry case . Compatible with most phones Price: £9.99   CLA 30 Details  Telephone Ringer Amplifier Key Features · Receive volume control up to 30dB . Receive tone control base -10dB max · Treble -10dB max · Handset matching switch 12 positions, compatible with 99% of phones . Simple connection HAC Version: Please Select...HAC Version (+£5.00) Price: £12.99   CLA 40 Vox Details  Telephone Ringer Amplifier Key Features · Receive volume up to 30dB . Up to 40dB gain with boost volume button · Receiving tone control bass -10dBmax, Treble -10dB max · Voice detection on/off . Automatic detection of best frequency makes it compatible with 99% of modern phones . Simple connection Black/White: Please Select...Black White Price: £19.99