Nobsound B100 bộ khuếch đại âm thanh Douk Audio 2023

Nobsound B100 là sản phẩm mới 2023 đầy đủ kết nối Bluetooth, cáp quang vào, RCA, USB và Dac giải mã

bluetooth 5.0 phiên bản năm 2023 cho chất lượng âm nhạc cao hơn các đời trước như 4.2, 3.0,...

Sản phẩm có thiết kế vintage dễ dàng phối hợp nội thất trong gia đình.

Features

• With 5 kinds of analog and digital audio input (Bluetooth 5.0 / PC-USB / Coaxial / Optical / 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, TV, CD players etc. to meet different needs of home audio systems. 

• Multiple audio outputs for different devices:  besides speaker output, add 3.5mm headphone jack out to improve sound quality for headphones, and a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio system and strengthen bass sound effects. 

• Combined design of tubes and transistors: using 12J1S (can be replaced by Russia*12ж1л) as preamplification, the sound is clear, warm, smooth and delicate with high fidelity. 2PCS Toshiba C5198 and 2PCS 1941 triode for power amplification, each channel can output 25W, easily to drive all home passive speakers.

• Vintage looking specially with VU meter: exquisite black panel matches with retro vacuum tubes and VU meter to dynamically to decorate home desktop space. With independent function buttons and input indicators on the top panel, easy to use, very suitable for home and desktop audio system use.

Warm tip:

1. Only in the condition of large dynamic music and much bass effect the VU meter will work.

2. When inserting the tubes please pay attention to the direction, the arrow on the tube should be aligned with the bulge on the tube socket.

Parameters

• Audio input: Bluetooth 5.0 / Optical / Coaxial / PC-USB / 2 groups of stereo RCA
• Audio output: banana speaker jacks /3.5mm headphone jack / low frequency out (connect active subwoofer)
• USB sampling rate: 24Bit/8-384kHz 
• Coaxial/Optical sampling rate: 24Bit/44.1kHz-192kHz
• Bluetooth version: 5.0
• Power consumption: 250W
• Output power: 25W+25W
• Input impedance: 47KΩ
• Output impedance:4-8Ω 
• Input sensitivity: 300mV
• Frequency response: 20Hz-20kHz (±2dB)
• Treble / Bass: ±10dB
• SNR: ≥80dB
• Distortion(1kHz): ≤80dB
• Working voltage : 100V-240V
• Dimensions(W*D*H): 170*170*120mm/6.69*6.69*4.72in
• Pacakge dimensions(W*D*H): 240*240*250mm/9.45*9.45*9.84in
• Net weight: 1.54kg/3.04lb
• Package weight: 2.5kg/5.51lb