![A low-cost battery-powered amplifier for locating electric fish in the field | Mormyridae - African weakly electric fishes A low-cost battery-powered amplifier for locating electric fish in the field | Mormyridae - African weakly electric fishes](http://mormyrids.myspecies.info/sites/mormyrids.myspecies.info/files/styles/large/public/IMG_7594_0.jpg?itok=ucsM5nKu)
A low-cost battery-powered amplifier for locating electric fish in the field | Mormyridae - African weakly electric fishes
![Amazon.com: RadioShack 1500320 1-Input/4-Output A/V Component Video Sound S-Video Distribution Amplifier Splitter : Electronics Amazon.com: RadioShack 1500320 1-Input/4-Output A/V Component Video Sound S-Video Distribution Amplifier Splitter : Electronics](https://m.media-amazon.com/images/I/61k73yoXmKL.jpg)
Amazon.com: RadioShack 1500320 1-Input/4-Output A/V Component Video Sound S-Video Distribution Amplifier Splitter : Electronics
![Radio Shack Realistic SA-150 Integrated Stereo Amplifier (Mini Amp) - electronics - by owner - sale - craigslist Radio Shack Realistic SA-150 Integrated Stereo Amplifier (Mini Amp) - electronics - by owner - sale - craigslist](https://images.craigslist.org/00D0D_4qUtUzc6ZCz_0qY0hE_600x450.jpg)