https://www.amazon.com/gp/product/B00TONMC5U
Shipping is free w/ Prime or $25+ orders. It sells for $100+ elsewhere.
Model #: HKADAPTBLKAM
Product Highlights:
- Uses Your Existing Audio System
- Enables Wireless Music Streaming
- Wi-Fi and Bluetooth Connectivity
- Free Harman Kardon Control App
- 3.5mm Port for Wired Audio Sources
- Link Button Speaker Control
- Integrated HD Audio Support
- Multi-Room Capable and Expandable