Toopower LK-202213 Black Sound Amplifier sku-1640738504

Toopower LK-202213 is a Black rechargeable sound amplifier in OTC Hearing Aids & Sound Amplifiers. It uses DSP noise reduction and offers a stated volume increase of up to 30dB-35dB for mild to moderate sound loss. The amplifiers turn on and off when removed from or placed in the charging case. A 5-second power-on delay helps avoid whistling; touch controls select 3 modes and 5 volume levels.

Different ear caps are provided for fit. Each amplifier has a 45 mah battery and weighs 3.9g / 0.14oz. Its stated working time is at least 45 hours after a charge of up to 2 hours. The case has a 400 mah battery, weighs 34g / 1.19oz, charges in 3 hours and can recharge the 2 amplifiers 3~4 times. Average output is 106±4dBSPL; maximum output is ≤115dBSPL.

Average gain is 33±5dB and peak gain is 38±5dB. Frequency range is 500Hz~4000Hz. Total harmonic distortion is 0.9% at 500Hz, 0.4% at 1600Hz and 0.6% at 800Hz. Equivalent input noise is ≤12dB, and rated working voltage is 3.7V. The package contains 2 amplifiers, 8 silicone ear domes, 10 dust-proof nets, 1 charging case, 1 operation guide, 1 instruction manual, 1 USB cable and 1 cleaning brush.

Size: 7.08×4.33×1.96in 11.28OZ. SKU sku-1640738504; UPC 746555735010.