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This is our Douk Audio own brand Nobsound,received a high rating since this amplifier produced, works well and reach the number one position in amplifier sales.
Nobsound NS-08E 6J9 Vacuum Tube Headphone Amplifier
This is Douk Audio's own brand, Nobsound. Nobsound features a low price coupled with high performance in a small, simple package delivering high fidelity, specially designed to provide the audiophile with the performance they deserve.
Nobsound NS-01E Mini Vacuum Tube Headphone Amplifier / Stereo Hi-Fi Pre-Amp
>>>The best quality tube headphone amp from Douk Audio.<<<
Below it's the NS-01E Review: (Thanks for dear cutsville's sharing)
Nobsound NS-10G Bluetooth 4.0 Power Amplifier 50W+50W / USB Sound Card
☑ Hi-Fi Sound ☑ Powerful 50W+50W ☑ Super Bass
☑ Mini ☑ Bluetooth 4.0+EDR ☑ 5 Colors
☑ AUX IN ☑ USB Sound Card ☑ TPA3116 ×2
☑ Fashion Cute ☑ Fast Shipping ☑ Highly Cost-effective
This is our Douk Audio own brand Nobsound, 2.1 Channel Bluetooth integrated amplifier, Mini size with elegant body, High-Power 50W + 50W + 100W, Suitable for 3 inches or above speakers, use USA TI company's 2PCS TPA3116 high-performance amplifier chip and 2PCS NE5532 op-amp, the sound quality is excellent
This model uses the latest 2016 DSD1796 chipset, a great improvement over PCM5102. With high-resolution DSD decoding capability, it can bring you professional mastering sound quality never before available to consumer market at such low price point. XMOS USB decoding chip provides lowest signal distortion available on the consumer market today.
HIFI 2.0 stereo output digital power amplifier TPA3116 50WX2
Using the new USA TI company TPA3116D2 high-performance power amplifier chip as the core, single-supply DC8-25V wide working voltage, maximum 50W (left channel)+50W (right channel) two-channel output, efficiency up to 90%. You can use switching power supplies, laptop power supply, battery or vehicle power supply and so on ...
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