Not Every Room Is Right For A Large-scale Sound System, A Bedroom, Dorm Room, Or The Desktop In Your Home Office, A Small Setup May Simply Make A Better Choice. That's Why Denon Created The Pma-50 Integrated Amp. This Little Mighty Mite Packs The Powerful, Big-system Punch You Crave Into A Compact Package That Fits Neatly Almost Anywhere. With Its Built-in Digital-to-analog Converter, Bluetooth® Streaming, Plus An Array Of Digital And Analog Inputs, The Pma-50 Is Ready To Play Beautiful Music From A Wide Variety Of Sources Such As Smartphones, Disc Players, A Tv, Or A Computer. A High-res Champ High-res Audio It's Easy To Connect Your Computer Via The Pma-50's Usb Input And Enjoy Your Entire Library Of Digital Tunes Through Your Favorite Speakers. If You're Into Downloading High-resolution Audio From Websites Like Hdtracks, 2l, Or Blue Coast Records, You'll Love This Amp. Not Only Can It Make Your Mp3 And Cd-quality Music Sound Fantastic, But It Also Decodes High-res Audio Files Up To 24-bit/192khz Resolution, So You Can Enjoy Better-than-cd Audio Quality. (Free Usb Driver Download Required For Windows® Pc Playback.) And This Amp Is One Of The Most Affordable Dsd-capable Models Available, Supporting Both 2.8mhz And 5.6mhz Dsd Digital Audio Signals For Bit-transparent Playback Of Those High-res Digital Music Files. The Pma-50 Uses Denon's Advanced Al32 Processing To Upsample Incoming Non-high-res Digital Audio To A 32-bit, 192khz Datastream To Resolve Finer Detail, Even From Compressed Music Sources. The Smartest Bluetooth Around Wired Connections Aren't The Only Way To Enjoy Digital Music With This Amp. Like A Lot Of Components Out There These Days, The Pma-50 Lets You Stream Tunes Wirelessly From Your Smartphone Or Tablet Using Bluetooth. But This Denon Gives You Even More. It Makes Pairing Your Compatible Device Easier Than Ever Thanks To Nfc (Near Field Communication) Technology. Simply Place Your Nfc-enabled Bluetooth Device Next To The N Mark On The Side Of The Amp, And It's Instantly Paired. Plus, You Can Pair Up To Three Devices At The Same Time. It's A Great Way To Share Tunes At Your Next Party. The Pma-50 Also Features The Latest-generation Aptx® Low Latency Decoding. This Technology Not Only Provides Near-cd Sound Quality When Streaming Your Music From An Aptx Compatible Player, But It Optimizes Time Synchronization When Playing Back Audio From Video Sources To Eliminate Lip Sync Issues. Designed To Fit In Small Spaces The Compact Pma-50 Can Stand On Its Side For Placement On A Desktop Or Shelf. Or Lay It Down Flat In Your Cabinet Or Rack. You Won't Find A Lot Of Unnecessary Buttons Cluttering This Amp's Front Panel. Just An Extra-large Volume Knob And A Button For Bluetooth Pairing And Toggling Between Sources. The Oled Display Shows Which Source Is Selected, As Well As The Volume Level, And Even Orients Itself In The Proper Direction Automatically When Placing The Amp Vertically Or Horizontally. And For Those Times When You Wish To Enjoy Your Music Without Disturbing Others, Denon Provided A High-quality Headphone Amp For Private Listening.