HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows.

Strong output power and low frequency output: each channel can output 100W(4Ω),match perfectly and easily to drive all 3-8Ω passive speakers, adds a low frequency output easy to connect active speakers and build 2.1 channel system, the bass effects is greatly enhanced.

With multiple digital audio inputs: Bluetooth 5.0 / USB / Coaxial / Optical / stereo RCA, compatible with most audio device such as phones, computers, tablets, TVs, TV, CD players etc. The perfect combination of DAC and amplifier, very suitale for audiophiles who have various audio devices.

Practical funtions to simplify use: with input selection and indicators, clearly to show the working status in real time; aluminum alloy case is specially designed, cool and unique to decorate your desktop space.

Chipt: 6K4+AC6926C+CM6542+MS8412+NE5532

Tube model: 6K4

Replaceable tubes: 6J1, 6J2, GE5654, 6J3, 6J4, 6J5, 6Ж1п, 6AK5, etc.

Support: MP3/WMA/APE/FLAC/WAV

pc-usb sampling rate: 24bit96khz

Optical fiber/coaxial sampling rate: 24bit 192khz

Bluetooth sampling rate: 24bit 48khz

pc-usb support system: XP/W7/W8/W10/MAC/Linux

Total harmonic distortion: 0.07%

Signal to noise ratio: ≥98db

Frequency response: 20-20Khz (±1db)

Treble/bass adjustment range: ±6db

Speaker impedance: 3-8Ω

Output power: 100W*2 4Ω load

Input mode: Bluetooth / RCA/pc-usb/optical/coaxial

Support equipment: mobile phones, tablets, computers, MP3, TV, etc.

Output mode: passive speaker, active subwoofer

Working power supply: DC18-30V

Size: 115*98*54mm

Net weight: 634g

Gross weight: 900g(without power adapter)

Package included:

1*Tube T9 amplifier

2*tube

1*Bluetooth Antenna

1*Remote control

1*PC-usb cable

1*Manual

1*Power adapter(optinal)