Nobsound 6U1 6A2 ECH81 HiFi Bluetooth Vacuum Tube Power Amplifier COAX OPT Integrated Amplifier USB Player 5.0

------------------------------------------------------------------------------------------------------------------ 【Cautions for using electrical products】 When using electrical appliances, please note that the voltage is different from that of Japan, which may cause malfunctions. Since the plug type is Japan type(A or B type), please check the voltage and use a transformer. (This product does not include a transformer.) Please note that a transformer is different from a conversion adapter. We are not responsible for malfunctions caused by use without a transformer. ------------------------------------------------------------------------------------------------------------------ Hybrid vacuum tube power amp: 6U1, 6A2, and ECH81 vacuum tubes are used as preamps, and WY2P is used for rectification to achieve a clear and warm sound. Dual toroidal transformers using Toshiba 5200 and 1943 transistors provide stable output of 80W for each channel. Multifunctional audio inputs: Supports Bluetooth 5.0, USB, coaxial, optical, and 2 RCA inputs, compatible with Rinji's audio devices such as smartphones, tablets, computers, CD players, etc. Lossless formats such as APE, FLAC, and WAV can also be played. 2.1 Channel Sound System: Connect an active subwoofer with speaker output (4/6/8Ω) and low frequency output to enjoy movie theater-like bass effects. Adjust the sound to suit your personal listening style with treble and bass controls. Retro Elegant Design: Black panels and vacuum tubes combine to provide a luxurious and elegant look. Dual VU meters adorn the dynamic listening experience and also provide real-time working status display. High-quality sound specifications: Frequency response is 20HZ-20KHZ (±2dB), input impedance is 47KΩ, output impedance is 4Ω/6Ω/8Ω. Treble and bass adjustment is ±10dB, signal-to-noise ratio is over 80dB, and THD is 0.5% (1KHz) to ensure high quality sound. Tags: integrated amplifier bluetooth compatible bluetooth amplifier anchor bluetooth receiver audio fx dac power amplifier monaural douk audio vu meter amazon amplifier bluetooth nobsound ns-10g