Features Unique and amazing combination: integrated T9 Pro amplifier with VU meter into whole in such a mini size, when enjoy HiFi music, the pointer dancing in the warm light with strong vintage feelings, dynamically decorates the audio system space. QCC3040 Bluetooth chip, supporting ACC/SBC/APTX/APTX-HD, 24bit/96KHz transmission can provide further distance and lossless signal, makes the dynamic and details of music more excellent. 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 5.2 / 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. Parameters: Chipset: TPA3250+ Vacuum Tube +QCC3040+ES9018K2M+SA9123L+OPA1656+NJW1194 PC-USB sampling rate: 24bit/192khz, 16bit/192khz, 24bit/96khz PC-USB operating system: Windows XP / VIsta7/8/10 / Max OS/MAC/Linux Bluetooth/optical fiber/coaxial sampling rate: 24bit44.1khz/24bit192khz/24bit192khz Bluetooth chip: QCC3040, Bluetooth 5.2, stereo, support IIS, SPDIF, HFP, TWS, aptX, aptxHD Tube model: Vacuum Tube can be replaced are: 6AK1П, 6AK5, 6K4, EF95.6J1, GE5654, etc. Speaker impedance: 4-8Ω Output power: 100W*2 (4 Ohm load)AUX output : 2V Signal-to-noise ratio: ≥102dB Input sensitivity: 1.4V Frequency response: 20-20kHz (±1.5dB) Total harmonic distortion: 0.03% (1kHz 1w) Input mode: RCA/Bluetooth/PC-usb/optical fiber/coaxial Supported devices: mobile phones, tablets, computers, MP3, TVs, etc. Output mode: passive speaker, active speaker, post-stage power amplifier Working power supply: DC18V~32V, 3A or more Size: 290*240*90mm Package included: 1* T9 Pro amplifier 1*Bluetooth Antenna 2*tube 1*Remote control 1*PC-usb cable 1*Manual 1*Power adapter(optional)

Product specifications