Have you ever plugged a pair of quality headphones into a computer and been disappointed by surprisingly low volume levels? That’s probably because your headphones need more power to actually work properly. The DragonFly Black is a tiny, USB stick-sized DAC (digital audio convertor) and amp that’ll instantly get you better sound quality from headphones and speakers alike.
Raymarine Dragonfly 6 Navionics+ Fish Finder with CPT-60 Transducer. Dragonfly combines GPS navigation with Ray marine's advanced dual-channel CHIRP sonar. The Dragonfly will change your underwater view and maximize your time fishing with Ray marine's wide-spectrum CHIRP technology. http://www.specssite.com/Search/Fishfinders-/For-Sale/i.html