- Geemarc telephone amplifier - Receiving volume control up to 30dB and up to 40 dB gain with "boost" volume button - Receiving tone control: Bass -10dB max, Treble 10dB max - Automatically switches ON/OFF - voice detection - Light and portable - Automatic detection of best frequencies band makes it compatible to 99% of modern telephones - Sleek modern design - Simple connection
GMPAMP40" Sold Individually Please note: If there is a color/size/type option, the option closest to the image will be shipped (Or you may receive a random color/size/type). BRAND : WMU PRODUCT_CODE : 650518200081 PRODUCT_CODE_TYPE : UPC
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