Nobsound PRO 6K4 Bluetooth Vacuum Tube Amplifier VU Meter USB DAC Power Amplifier Preamp ST-01 5.0 COAX/OPT

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Unique and surprising combination: The ST-01/ST-01 PRO amplifier and VU meter are integrated into one compact size, and when you enjoy HiFi music, the pointer will dance in a warm vintage-style light, dynamically decorating your audio space. HiFi Clear Sound with Tone Control: Adopts resonant circuit and concise wiring, vacuum tube to soften the sound and remove the digital feeling, producing a warm and sweet sound without noise. It also provides exciting highs and deep bass for HiFi music, with treble and bass knobs to adjust your own preferred sound style. High power and special AUX output: Using TI's classic power amplifier IC, each channel can output 100W (4Ω), which can easily drive all 3-8Ω passive speakers. Add a 3.5mm AUX output to easily connect another amplifier or active speakers/subwoofer to create a multi-channel system and enjoy a great home theater experience. Multiple digital audio inputs: Bluetooth 5.0 / USB / Coaxial / Optical / Stereo RCA to connect with most audio devices such as smartphones, computers, tablets, TVs, TVs, CD players, etc. A perfect combination of DAC and amplifier, recommended for audiophiles who own a variety of audio equipment. Practical features for ease of use: A full-featured remote control allows you to configure all settings from a distance. Equipped with input selection and indicators to clearly display your work status in real time. The aluminum alloy case is specially designed, cool and unique to decorate your desktop space. Model: ST-01 PRO