Nobsound Upper Edition B100 Bluetooth Vacuum Tube Amplifier USB DAC Integrated Amplifier Power Amplifier 5.0 COAX/OPT (B100)

------------------------------------------------------------------------------------------------------------------ 【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. ------------------------------------------------------------------------------------------------------------------ 5 types of analog and digital audio inputs (Bluetooth 5.0 / PC-USB [not compatible with Mac] / Coaxial / Optical / RCA 2 groups), compatible with almost all audio devices such as MP3, smartphones, tablets, computers, TVs, CD players, etc. Can meet different needs of home audio system. Multiple audio outputs for different devices: Besides the speaker output, a 3.5mm headphone jack output is added to improve the sound quality of your headphones. Also, the low frequency output is specially designed to connect an active subwoofer to build a 2.1 channel audio system to enhance the bass effect. Combined vacuum tube and transistor design: 6P17A is used in the preamplifier to achieve high fidelity, clear, warm, smooth and delicate sound. Power amplification with 2PCS Toshiba C5198 and 2PCS 1941 triodes, each channel can output 25W, easily driving almost all home passive speakers. Vintage design with VU meter: The exquisite black panel equipped with retro vacuum tubes and VU meter dynamically colors your home desktop space. The top panel is equipped with independent function buttons and input indicators, making it easy to use for home and desktop audio use. Note: If you would like to purchase a spare tube, please do not worry if you contact our store and we will be able to assist you. This product is a high-end version that uses high-quality materials. Recommended for professional HIFI enthusiasts. The VU meter will only work in conditions of loud dynamic music and lots of bass effects.