Home Theater T20 Bluetooth Tube Amplifier Stereo Receiver 2 Channel Class D Digital Mini Hi-Fi Power Amp Preamp Compact Integrated Headphone Amplifier for Home Passive Speakers with 6J4 Vacuum Tubes

QCC3031 wireless Bluetooth 5.0 core support aptX and aptX HD, Streaming range up to 39ft(12m), with Bluetooth and AUX selector, no pop when Bluetooth connecting;
50W RMS X 2 power output(4 ohms, 20 Hz - 20 kHz, 0.04% THD), built-in speakers protection circuit, best for outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, Echo Dot, CD players, or Streaming Media players as input;
Adopt 2 x 6J4 tubes to get clear audio sound, tubes can be replaced by 6K4, 6J1, GE5654, 6AK5, 6ж1П, 6BC5, 403A/B, EF40, EF95 and so on, with headphone output for 16-64ohm headphones.
Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier receiver exclusively designed for the customers who pursue HiFi sound;
Power amp + Headphone amp, perfectly suited for your desktop or a smaller space in your home or office, digital amplifier is easy to connect to your audio system with no software to install or settings to change;

	T20	Box X2 with 5654tube	N2	Box X2	T20 with 5654tube	P1
Type	Headphone Tube Amp	Phono Preamp	Headphone Amp	Phono Preamp	Headphone Tube Amp	Tube Preamp
Input	Bluetooth + RCA	RCA+3.5mm AUX	3.5MM AUX	RCA+3.5mm AUX	Bluetooth + RCA	RCA
Output	Passive Speakers+ Headphone	Powered Speakers	3.5MM AUX	Powered Speakers	Passive Speakers+ Headphone	Powered Speakers
THD	≤ 0.04%	≤ 0.1%	≤ 0.005%	≤ 0.1%	≤ 0.04%	≤0.1%
SNR	≥ 98dB	≥ 98dB	≥100dB	≥ 98dB	≥ 98dB	≥ 98dB
Terminating Impedance	2-8Ohm	—	16-600ohm	—	2-8Ohm	—
Power Adapter	24V/4.5A	12V/1.5A	Battery capacity: 2200mA	12V/1.5A	24V/4.5A	12V/1.5A
Work Voltage	AC 110V - 240V	AC 110V - 240V	-	AC 110V - 240V	AC 110V - 240V	AC 110V - 240V
MAX Power Output	50 wattx2	—	330mW@16ohm	—	50 wattx2	—