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Super Loud In-Line Amplifier

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Product Description

Amplifies phone calls up to 40dB and maximizes amplification while blocking out feedback and background noise. Tone selector amplifies specific frequencies for optimum speech clarity and distinction between similar sounding words. Compatible with most home and office telephones. Connects easily between handset and phone base, compact and portable, powered by a 9 volt battery which is included.

* Not for use with dial-in-handset telephones.

One year warranty.

Product Manual
Click Here For The HI-HA-40 Instructions

Product Specs

Sku: HI-HA-40
Weight: 0.410 each