Instruction Manuals The tone selector amplifies specific frequencies for optimum speech clarity and distinction between similar sounding words, allowing users with a hearing loss to customize the assistive listening device. Note These manuals require adobe acrobat reader to view. If you do not have it, click here. Accessories Boss Ringer Amplifier · Clarity HA-40 In-Line Amplifier
Serene Business Telephone Amplifier - The HA40 uses a 9V battery (included), and is a great secondary or backup amplifier for amplifying a telephone at home, work or travel. Now the hard of hearing or any telephone user can enjoy louder, clearer s and. Serene Business Telephone Handset / Headset Amplifier User's Manual.
Clarity CLARHA40 Portable Telephone Handset Amplifier This HA40 Clarity brand in-line telephone amplifier is a battery-powered phone amplifier with slide controls for both volume and tone, providing up to 40 decibels of amplification for telephone users with hearing loss. Disconnect the Handset Amplifier from the telephone. 2. The Clarity HA40 Portable Telephone Handset Amplifier featuring Clarity Power. User Manual pdf.
Owner's manual ha40 telephone handset amplifier:
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