Denon Heos-amp Wireless Amplifier For Home Theater - Plastic, 8.43"d X 3.7"w X 8.74"h Inch, 220 Volt, 23.3 Lb | Wifi & Bluetooth Connectivity, Multi-room Audio, Hi-res Playback, Heos App Control

TURN ANY SPEAKER INTO A WIRELESS ZONE with the HEOS Wireless Amplifier With built in WiFi and Bluetooth functionality you can play music from anywhere in your home using a host of devices in your home theater or entertainment system
EXCEPTIONAL CONCERT HALL SOUND QUALITY AT HOME a Featuring advanced Class D digital amplification, the HEOS Amp guarantees high power with LOWEST DISTORTION, PRODUCING RICH, DETAILED ROOM FILLING SOUND
PRECISE AUDIO SYNCHRONIZATION WITH HEOS MULTI ROOM TECHNOLOGY a Exclusive digital technology allows you to play the same song or different ones in multiple rooms with maximum audio fidelity, without any visible delays
FLEXIBLE CONNECTION OPTIONS a Choose to connect your speakers wirelessly or plug them in using the optical/analog inputs on the back panel. Alternatively, playback hi res music files via the USB port (up to 24 bit/192Khz) or use the 3.5mm auxiliary jack
UNLIMITED WIRELESS MUSIC STREAMING AND FULL CONTROL THROUGH THE HEOS APP on your Android or iOS device a Play your favorite tracks through any popular streaming service like Pandora, Spotify, iHeartRadio, TuneIn, Amazon Music, SiriusXM, Tidal, and more
HEOS Sound, with Denon's 100 year legacy & Japanese precision technology, speaks volumes of the company's unrelenting attention & innovative craftsmanship in its high quality audio solutions. You can be sure that you are getting nothing but the best; Frequency response: 20 Hz to 20 kHz : A 1.5 dB