An induction loop amplifier manufactured by Hearing Products International Ltd under the brand Echo, specifically the Megaloop model. The device is intended for hearing assistance and is constructed with a black-finished metal chassis. The front panel features a stylized echo megaloop logo and a four-pointed star mark. Front controls and indicators include a three-position background noise control slider with L, N, and H settings, a rotary volume control, a rotary tone control spanning from low to high, a 3.5mm headphone jack, and two loop current LED indicators in red and green. A white power push button is located on the far right. The rear panel includes spring-loaded terminals for loop wire connectivity (0.3-1 OHM), a 3.5mm line output, dual RCA line inputs, a recessed gain adjustment screw, and two 3.5mm microphone inputs labelled P and T. Power input is via a 12V DC socket. Marks on the rear include the CE logo, a RoHS conform sticker, and references to EN standards 61000-6-4:2001 and 60065:2002.
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