Polk Audio Dsw Pro 550Wi Dsw Pro 550Wi Subwoofer Am5535-A
Expand your modular wireless speaker systems with the ARWR2 by Acoustic Research. Add the ARWR2 one amplified, 60-Watt receiver for each additional channel you want to mirror. Compatible with the ARW51 and ARW20 modular wireless speaker systems.
I-Stream DockFree Bluetooth Audio Receiver with Buit-In Battery