1. 2017. https://www.performanceaudio.com/item/electro-voice-uw30-underwater-loudspeaker/41594/. (2017). 2017. https://www.performanceaudio.com/item/electro-voice-uw30-underwater-loudspeaker/41594/. (2017).
2. 2017. https://www.outdoorspeakerdepot.com/75w-sub-amp-150w-in-wall-subwoofwe.html. (2017). 2017. https://www.outdoorspeakerdepot.com/75w-sub-amp-150w-in-wall-subwoofwe.html. (2017).
3. 2017. http://www.pyleaudio.com/sku/PT270AIU/300-Watt-Stero-Receiver-with-Built-In-iPod-Docking-Station-AM-FM-Tuner -USB-Flash-and-SD-Card-Readers-and-Subwoofer-Control. (2017). 2017. http://www.pyleaudio.com/sku/PT270AIU/300-Watt-Stero-Receiver-with-Built-In-iPod-Docking-Station-AM-FM-Tuner -USB-Flash-and-SD-Card-Readers-and-Subwoofer-Control. (2017).
4. 2017. https://www.sagemillimeter.com/23--dbi-gain-wr-15-v-band-rectangular-horn-antenna/. (2017). 2017. https://www.sagemillimeter.com/23--dbi-gain-wr-15-v-band-rectangular-horn-antenna/. (2017).
5. 2017. usrp n210. http://www.ettus.com. (2017). ettus inc. 2017. usrp n210. http://www.ettus.com. (2017). ettus inc.