Stihl Dynamic BT Ear Protectors without Visor

Product Information

But not all noise is the same. In addition to the strength of the sound, the distance from the source of the noise is also important. For example, the question of whether an engine is directly next to the ear while working – as with hedge trimmers – or whether it is more than one metre away, as with lawn mowers, makes a difference. So it is important to know how much noise the ear is directly exposed to when choosing the right hearing protection.

Thermography shows the advantages of a helmet with standard ventilation (right). The temperature fell by two to three degrees and the humidity increased by 50%. Ear protection As headphones, these have a pretty incredible runtime that can keep you jamming for most of the week without needing to recharge. The actual sound quality could be better, but for working outside with loud equipment, we don’t see clarity as a primary concern.

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As hearing protection, the Dynamic BT has some decent noise reduction, particularly at the higher frequencies and they feel durable enough to take a beating. Mute/unmute button. When unmuted, you will hear your own voice through the headset as a reminder you are unmuted. Other users will hear everything said while the headset is unmuted. Comfort model heads: Grass trimmer heads with comfort features are designated by the letter “C” in the model name. It is easy to replace trimmer line in these because you can wind line onto the spool from the outside. Simply feed the desired length of trimmer line into the mowing head so it goes in one side and comes out the other; then, twist the bottom part of the head to wrap the line around the spool inside – there’s no need to open anything up. One thing to note when you replace the line in these is that the two line ends which protrude from the head should be the same length before you start winding. By far the highest light transmission values. Very robust grid, honeycomb-like structure. Stainless steel material.

There are some concerns about fit for those of us with larger heads. I feel like I have an abnormally large cranium; I like to tell people that I need more room for my big, juicy brain. It’s hard not to think of “So I Married an Axe Murderer” and its references to Sputnik, though. However, extra brain-space notwithstanding, my oversized melon can present sizing issues when it comes to headwear. There are two basic forms: Ear plugs and ear defenders. Both types offer identical protection – there are no fundamental differences in noise protection, and they are both available in various designs for different purposes. They can also be combined with other personal protective equipment (PPE) components such as helmets or visors. A. No, only ProCOM headsets can be used in the mesh. If you have a DMR or walkie-talkie with Bluetooth speaker capability, ProCOM can be connected and used conveniently as a headset. In this case, the mesh intercom will still be functioning in addition to the DMR connection, but DMR messages will not be heard by other ProCOM users. Make work more enjoyable with STIHL’s new DYNAMIC BT Bluetooth ear protectors with built-in speakers – perfect to keep you entertained when you are doing jobs such as mowing the lawn, grass trimming or hedge cutting. Just pop on these new ear defenders, choose your favourite tunes and get on with the task at hand!Between the noise reduction qualities and the limited volume, you shouldn’t need to worry about damaging your hearing, which is the whole point of the Dynamic BTs. Stihl Dynamic BT Ear Protector Specs Generally, there are three different ways to replace trimmer line in a STIHL grass cutting head, depending on the model type.