The Fosi Audio T3 is a small tube amplifier allowing to enjoy the sound signature of this round and warm type of amplification at a low price. It is thus equipped with two 6F2 tubes offering a power of 2x 50W under 4Ω. For its connectivity, the T3 offers in input two stereo RCA as well as Bluetooth 5.0 allowing to stream its music wirelessly from a smartphone or a tablet for example. For the outputs, in addition to the speaker terminals, the amplifier offers a Jack 3.5mm headphone output and a subwoofer output. Finally, the upper part of the T3 has four buttons, with a volume control, a source selector and a tone control to adjust the bass and treble levels.