T4 PLUS tube preamp meets more HiFi audio needs: MM /MC phono input, support multiple input impedance switch (1KΩ/470Ω/220Ω/100Ω/47Ω/22Ω/10Ω), converts phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality. Unique and amazing combination in the appearance: integrated T4 PLUS preamp with retro tubes and VU meter into a whole, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system and give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.
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Multiple audio inputs for different purposes: with 3.5mm AUX and phono inputs, supports both MM and MC cartridges and with MC input impedance settings, compatible well with different MM/MC record players and other audio devices to satisfy different demands. With headphone output and perfect design:can be used as a headphone amplifier to drive 32-300 ohm headphones. Reasonable and advanced circuit and high-quality components, such as power 3PCS JRC2608 op amps, high-end power management part etc.
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Type: HiFi Preamplifier. 1 x Tube Vacuum Preamplifier. M8 fever HIFI tube Bluetooth digital power amplifier, the power amplifier uses TPA3116 as the core chip, it can reach a modulation frequency of up to 1.2MHZ.
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We can provide part list and circuit diagram ！. Assembled Board：have solder it well ，not included 4pcs opa-amp. Debugging instructions: 1. Ensure that all components are of qualified quality and installed correctly; 2.
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Otherwise deal is final. Working power:DC12V-24V or AC 12V-16V. All products are quality checked. We will be happy to resolve any issues you may have in a cordial and friendly manner.
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The Douk Audio T9 Tube Phono Preamp is a high-quality stereo audio preamp designed for use with MM/MC turntables. This sleek black unit features two audio outputs, including a headphone jack and stereo L/R RCA connections. With a focus on analog audio, this Hi-Fi amplifier from Douk Audio is perfect for enhancing the sound quality of your vinyl records. The T9 model also includes support for phono/t turntable inputs and stereo L/R RCA inputs, making it a versatile choice for your home audio setup. Brand new in box and sealed
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With 3.5mm AUX input and 3.5mm headphone jack output, can be used as a headphone amp and a stereo preamp, compatible with most audio source such as MP3, ipod, phone, tablet, computer, CD player etc. and output can connect headphone, amplifier, active speaker etc. to greatly improve the sound quality.
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Pro duct D es cription：.
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