You can also check Yamaha R-S202 Stereo Receiver with Bluetooth and Acoustic Audio Bluetooth Home 2.1 Speaker System for Multimedia Laptop Computer for a better comparison at Homeaudiosystem.net.

PTA44BT Bluetooth Amplifier Stereo FM Features:4-Channel SystemBuilt-in Audio StreamingFM Radio Tuner with LCD DisplayFront Panel Button Source Mode & Playback External DevicesHeadphone Microphone Input Microphone Talk-Over Digital Flash Drive Memory ReadersPush-Type ConnectorsAux Input + Subwoofer (L/R) Input RCA (L/R) Circuit Over Settings: Treble, Volume, Echo, Mic VolumeConvenient Audio Source for Home or Office UseBluetooth Connectivity:Simple Wireless Audio Streaming AbilityWorks with Latest Bluetooth Devices(iPhone, Smartphone, Tablet etc.)Bluetooth to ft.Whats in the AntennaTechnical Output: Watt 4-8 OhmsFrequency Response: 20Hz - to Noise Ratio: >81dBT.H.D.: 3.5mmRadio Memory: Station PresetsDigital MP3, WMAMaximum Control Battery: x.
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