Chinese make plenty of such things, but I am not sure if any are protected to withstand outdoor prolonged location. Also note that usually they are not very great >10 meters. It is Bluetooth.
from 12KHz up to 20kHz
Are you living at airport? As it seems like strange range.
12KHz up to 20kHz is from the speakers I want to connect it to.
I could pair these up http://www.amazon.com/LP-2020A-Lepai-Tripath-Class-T-Amplifier/dp/B0049P6OTI/ref=sr_1_1?s=electronics&ie=UTF8&qid=1405365988&sr=1-1&keywords=outdoor+speaker+amplifier
http://www.amazon.com/gp/product/B00713RSE0/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
but I wanna avoid that.
12KHz up to 20kHz is from the speakers I want to connect it to.
It is their tweeter range :-)
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