Product details:

Yamaha WXC-50 MusicCast Wireless Streaming Preamplifier (Dark Silver) Connect your existing home theater AV receiver or Hi-Fi system to this compact preamp, then use your Wi-Fi network to access all of your music from a simple app. Add other MusicCast speakers, soundbars, or receivers for wireless multiroom audio playback. In addition to Wi-Fi, this preamp also supports Bluetooth and Air - Play, allowing for greater wireless connection flexibility. Compact Design - The WXC-50 features a metal body with an aluminum cover and a slim design that fits just about anywhere. Only 2 inch tall and 8.4 inch wide, it can be placed horizontally or vertically, allowing it to fit neatly in almost any space. - Control at Your Fingertips - Connect the WXC-50 to your existing A/V receiver or Hi-Fi system, then download the free MusicCast app to connect it to your existing home Wi-Fi to create a powerful streaming audio system. Quickly select sources, browse your music library and control playback right from your smartphone or tablet. You can also control sound EQ settings from the app. - All Your Content - Access streaming music and Internet radio stations, music files on your mobile devices and computers, Bluetooth sources, and external sources such as a TV, Blu-ray Disc player, or a turntable. General Features: High-performance design with premium audio components Extremely versatile control and connectivity options Access to your music library, Pandora, Spotify, Napster, Sirius - XM Internet Radio, TIDAL, Deezer, and more Add audio in up to 9 additional rooms with MusicCast Voice control using your Alexa device like Echo or Echo Dot MusicCast app for Apple i - OS and Android devices Conveniently slim, can be placed horizontally or vertically Connectivity - Rear A/V Inputs 1 x Optical TOSLINK 1 x Stereo RCA 1 x USB Type-A Rear A/V Outputs 1 x Stereo RCA 1 x Stereo RCA Pre-Out 1 x Optical TOSLINK 1 x Digital Coaxial 1 x RCA Subwoofer Pre-Out Other Rear I/O 1 x 1/8 inch / 3.5 mm (12 V Trigger) Input 1 x 1/8 inch / 3.5 mm (12 V Trigger) Output 1 x 1/8 inch / 3.5 mm (IR) Input 1 x RJ45 (Ethernet) Input 1 x Antenna Terminal Signal to Noise Ratio Optical, Network, USB, Bluetooth: 112 d - B Line: 98 d - B Wireless Connectivity Wi-Fi Yes Bluetooth Yes Supported Audio Codecs SBC, AAC Wireless Audio Protocols Air - P65Warnings.ca.gov