FiiO BTA30 Receiver Transmitter Bluetooth 5.0 Portable Wireless Long Range for PC/TV/Speaker/Laptop/Home Audio

[Rejuvenate vintage speakers]: Simply connect the RCA output of the BTA30 bluetooth amplifier to the RCA inputs of the amplifier/speaker – now you can play your music over Bluetooth through your older amplifier/speaker, giving it new life! [Decoder for your Bluetooth jukebox]: Want to directly connect your DAC/audio decoders to any smartphone? Simply connect the optical/coaxial out of the BTA30 to the digital input of your external DAC to allow it to decode directly from your phone. And with the USB DAC functionality, transmit high quality sound from your computer to speakers or Bluetooth headset through the BTA30 headphone amps. [As Digital decoding-DAC]: If not using Bluetooth, there is also excellent audio output! The BTA30 wireless amps can be used as a DAC to convert digital audio to a high-quality analog signal. *Coaxial input supports up to 24 bit/192kHz and DSD64; optical input supports up to 24 bit/96kHz; USB input supports up to 16 bit /48kHz [As Bluetooth receiver