This Suca Audio Tube-T5C tube preamplifier is compact, affordable and efficient. It embeds two 61N tubes, allowing it to reveal a musical and round sound reproduction. The Tube-T5C is equipped with modern connectivity, including USB-B and Bluetooth 5.0 reception, in addition to RCA, making it possible to connect the Tube-T5C to a computer or to broadcast your music wirelessly from a smartphone or a tablet for example. The USB input uses a CM4462 interface, the Bluetooth reception a Qualcomm QCC3008 chip. On the output side, we find stereo RCA but also a 3.5mm headphone output on the front. Moreover, for greater versatility, the Tube-T5C has a tone control that allows you to adjust the level of bass and treble depending on your listening style and your audio system.