Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Purpose of safety helmet

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems









4/4/2018, · Audio Return Channel (,ARC,) is a very useful feature that is available in HDMI V2.0 cables. The ,ARC, feature allows you to transfer audio from the ,TV, back to your Home Theater receiver without having to connect an Optical Cable, or another form of audio cable. All of the Audio from the ,TV, is sent back through the same […]

19/3/2011, · Make sure that you have ,ARC, turned on. Using the Yamaha remote, press ON SCREEN, go to Setup, and select HDMI. In the HDMI menu select ,ARC, and turn it on. By default AV4 is setup as your ,ARC, input on TV1 and AV1 on TV2. You can change this by adjusting the ,TV, …

The ,ARC, function sends ,TV, sound from a ,TV,’s HDMI input jack to an AV device (this system, an AV amplifier, or a sound bar, etc.) via an HDMI cable. To check whether your ,TV, supports ,ARC, or not. If you can find “,ARC,” printed next to an HDMI input jack on your ,TV,, your ,TV, supports ,ARC,.

A feature of HDMI (,ARC,) is the ability to transmit sound from a ,TV, via an HDMI cable. The return channel will allow you to receive a signal from the air and output sound via HDMI to the connected speakers, but in uncompressed format only stereo. 5.1 sound format is transmitted only in compressed format.

What is the HDMI ,ARC,? HDMI ,ARC, is a technology found on most modern home-theatre systems. It stands for Audio Return Channel. The technology was introduced in HDMI 1.4 versions, and it has become the standard for most HDMI cables today.. What HDMI ,ARC, does is allow audio signals to transfer to and from devices.

TV, owners invested in their setup are likely already familiar with audio return channel (,ARC,) as this is a common feature, and typically available on at least one of the HDMI ports on most TVs. ,ARC, can do a lot of things, including controlling other devices connected to the HDMI ,ARC, …

Without an HDMI eARC connection the Sonos ,Arc, can not deliver the best-quality sound – we show you how to maximise sound quality with your slightly older ,TV,. The Sonos ,Arc, is the company’s ...

The ,ARC, feature eliminates the need to use an additional composite audio cable or an optical cable when connecting an Audio/Video (A/V) receiver or surround sound system to a ,TV,. Connecting an HDMI cable from an ,ARC,-compatible A/V receiver to an ,ARC,-compatible ,TV, will allow the following:

HDMI-,ARC, (or Audio Return Channel) is a feature that allows audio to pass both ways along an HDMI cable. In practice, this will allow you to route the audio output from your ,TV, (for free-to-air channels or paid services such as Foxtel) back into your home audio system.

With ,ARC, audio and video are delivered to the ,TV, same as always. But now in the age of smart ,TV,, your television is the source. And if you want to send the audio from streaming movies and videos out of the ,TV, to the home theater system for premium sound experience, ,ARC, makes it …