Get the most out of your BLAST and MEGABLAST, portable Wi-Fi/Bluetooth speakers with Alexa built-in. Set up voice control, customize the EQ, control the volume and now pair up to 8 BLAST and MEGABLAST speakers for louder, more immersive sound! With the app you can: Pair up to 8 BLAST and MEGABLAST speakers for louder, more immersive sound or 2 speakers for stereo mode.