Amazon.com: Wireless WiFi Audio Receiver - August WR320 - Multiroom Adaptor for Speaker Systems, Stream Crystal Clear Lossless Sound Throughout Your Home, Compatible with Spotify, Tidal, TuneInRadio, and More : Electronics
Wireless Audio Receiver for Music Streaming Sound System Works with Smart Phones and Tablets, Wireless Adapter for Speakers - Walmart.com
Bluetooth Audio Receiver for Sony Receiver STR-DH100 and wireless speakers | eBay
OAW4 Wireless Audio System
Pyle Wireless Bluetooth Stereo Amplifier-Multi-Channel 200W Amplifier Home Audio Receiver System Bundle Combo with 2x 3.5'' 3-Way Weather Proof Mini White Box Speakers, 16 Gauge 50 Feet Speaker Wire - Walmart.com