Helm Audio's $99 Bolt DAC is the easiest way to get better audio out of your phone
by harish.jonnalagadda@futurenet.com (Harish Jonnalag from Latest from Android Central on (#5ZQW6)
Helm Audio's Bolt is a $99 portable DAC/amp that allows you to plug in your favorite wired audio gear to your phone and stream hi-res music. Thanks to MQA decoding, you can use this DAC to stream Tidal Masters on the go.