T20: 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.
BOX X1: Compact ultra-low noise phono turntable preamp that converts phono signals to line level signals. Designed with grounding post to protect your turntable.
BOX X1 supports MM turntable input, 3.5MM headphone output and RCA line output for powered speakers. Note: You can connect a power amplifier through the 3.5MM or RCA output, then connect the passive speakers.
What you Get: T20 Headphone Amplifier, BOX X1 Phono Preamp, Other Accessories, 18-month worry-free warranty and friendly customer service.