Musical Fidelity V90BLU Bluetooth Receiver Sophisticated Bluetooth receiver ideal for streaming music from smartphones, tablets, MACs and PCs right to your favorite Hi-Fi system Digital and analog bypass facilities and includes an on-board DAC for simple connection to a host of audio equipment Can be connected between any input source and amplifier or between a preamp and power amp THD(+ noise): &lt;0.01% ('A' wtd) Frequency Response: +0, -0.1dB