Brand NEW! Including 90 Days USA Factory Warranty. Stream your favorite music to your Dayton Audio DSP-408 with the DSP-BT4.0. This Bluetooth dongle not only allows you to stream audio content directly to your DSP-408, it also allows you to wirelessly control your DSP with the DSP-408 Android or iOS app. Key Features Stream your favorite music to the DSP-408 with aptX Bluetooth Wirelessly control your DSP-408 from an Android or iOS device In the modern age of mobile devices, breaking out the bulky laptop to make modifications to your sound system can seem like a chore. That's why Dayton Audio has given you the option to connect to your DSP via your Android or iOS mobile device using the DSP-BT4.0. This Bluetooth 4.0 dongle allows users to completely tune their DSP via the mobile DSP-408 Android or iOS app. In addition, the user can also use their mobile Bluetooth device as an audio source, and stream directly to the DSP itself. - All international buyers are responsible for all tax, duties and/or customs fees.