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Kronos AV
Kronos AV
Silent Angel
Thunder Data Co., Ltd. was founded by Dr. Eric Jian Huang, CEO. Who was former CTO in EMC China, and the team members specialize in server, network communication, data management, network storage software, hardware architect engineering, and product marketing.CTO, Chorus Chuang is a specialist in network hardware, storage software, digital communication signal, and audio grade NAS.Our goal is to improve signals quality of computing, networking, and storage. We developed 2 series of product lines: Silent Angel and Thunder Data currently. Silent Angel product line aims at providing solutions for high-end audio consumer products. The goods upgrade the level of Hi-Fi music enjoyment by improving the signal quality and server performance.

Silent Angel N8 Audio Grade Network Switch
Free Gift

  • Sale
  • Regular price £399.00
  • Available Worldwide Shipping

Our Customer Love Us

Revolution with innovation - More musical and emotional. 

Bonn N8 features low electrical noise and high anti-interference ability to get rid of data loss and electrical noise, which leads to high quality network signals.

Precise Control of the Clock Signal

Silent Angel specialized TCXO (Temperature Compensation crystal Oscillator) is highly accurate.

The accuracy is 0.1ppm, which is much higher than normal crystal and higher than a normal one. 

N8 is able to generate more accurate network signal and provide more stable music data transmission.

Reformed Main Board Design


Two electrical noise isolation circuits, with noise rejection rate 17dB, for power circuit.

Two electrical noise isolation circuits, with noise rejection rate 20dB, for clock generation circuit


High Permeability EMI Absorber

To reduce noise from digital circuits,

With specially chosen EMI absorber to absorb the EMI (Electromagnetic Interference) from the inner digital circuit.

It assures N8 works more stable and generate more clear network signals.

Significant Value of N8

Innovation and creative technologies are the core value of N8.

The resulting improvements can be seen and proven on the signal measurements.

Engineer in Thunder Data had proven N8 network signal is much better than other general network switch.

Network Jitter Improvement

The quality of network signal from N8 is 90% better than that of a general switch in jitter measurements.

Purified Power Signal

Noise filter in power circuit provides purified power signal and network signals

  • Light indicators at front panel including power, alarm, link status and link speed of 8 ports. Make it convenient to know the status of network devices.

  • Eight audio grade 100/1000 Base-T gigabit Ethernet ports at rear panel, suitable for your network audio devices and all your home network appliances.

  • Equipped with exchangeable AC plug and medical grade power adaptor, the power efficiency level is as high as VI and no load power consumption < 0.075W. Complete protection circuit design featuring short circuit, over load, over voltage protection


We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

There has been no changes to deliveries with Brexit. All deliveries to the UK mainland, Northern Ireland and the Republic of Ireland are operating as normal. No VAT or charges are applicable. 

We have several deomonstation areas in both of our branches. Please give us a call on 03435236169 or email to enquire about hearing products at your local branch. 

Please always contact us before to make sure the product(s) are available

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!


Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

Why not ask and see how much you HiFi is worth!

To find out how much your HiFi is worth... Click Here

If you have any question, please feel free to call us on 03435236169 or email