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This 4K HDMI® signal booster lets you increase the signal strength of your HDMI video source so it can travel greater distances using standard HDMI cables. You can achieve resolutions up to 4K at 60Hz at distances of up to 30 ft. (10 m), and depending on your desired resolution, the booster supports distances up to 115 ft. (35 m) away at 1080p 60Hz resolution.To install the booster, place it between two HDMI cables. Reference the table below for supported resolutions and cable lengths.Maintains Ultra HD 4K video signals at 60HzWhen you’re extending HDMI over distances using standard video cabling, higher resolutions from your HDMI 2.0 devices can become unavailable after a few feet. Using this HDMI signal booster ensures that HDMI 2.0 resolutions up to UHD 4K at 60Hz are available even at distances up to 30 ft. (10 m).You can achieve even longer distances at lower resolutions -- up to 4K at 30Hz, at up to 82 ft. (25 m), and 1080p at 60Hz at up to 115 ft. (35 m).Easy and discreet installationWith its small form factor design and no external power adapter, the HDMI booster is easy to hide, for a discreet installation. By extending your video signal using standard HDMI cables, the 4K booster is a cost-effective alternative to more expensive extension systems that require the installation of a CAT5 or CAT6 cabling infrastructure.Supports a variety of distancesThe booster makes it easy to adjust your HDMI signal strength based on the distance of your cables, with equalization adjustment buttons. This means that you can adjust the amplification of your HDMI signal, to ensure your signal will be flawless.Support for a variety of extension distances makes the booster perfect for multi-device deployment across large institutions, such as boardrooms in corporate offices, classrooms in schools, or waiting rooms in hospitals, as these applications may require varied distances in different rooms.Note: To achieve resolutions up to 4K60, your video source, display and cabling must support HDMI 2.0.The HDBOOST4K is backed by a 2-year StarTech.com warranty and free lifetime technical support.

Great call.Outstanding outcomes require outstanding call performance, and seamless, professional audio makes all the difference. We took the incredible call performance of our world-leading Evolve Series, and we made it even better, building in three strategically placed powerful professional microphones and adding our advanced digital chipset and latest signal processing technology. The result is outstanding call quality, every time.It’s not just a great call. It’s the new standard of great calls.UC-certified means UC-satisfied.Satisfaction guaranteed isn’t something you hear very often these days, but we’re bringing it back; Evolve2 65 works with all leading Unified Communications (UC) platforms, for truly seamless collaboration.If your UC platform of choice is Microsoft Teams, the Teams-certified variant is perfectly adapted and optimized to give you the best experience with the platform.Hear the differenceWe used our state-of-the-art sound lab to simulate a noisy office environment, with an office speech soundtrack played back through a speaker in a dummy head. Then we tested each product in exactly the same way as the same office soundtrack played, recording the microphone performance, to show how the call would sound to whoever you’re talking to.Music so good, you can feel it.We’ve built this headset with powerful leak-tolerant 40mm speakers and powered it with our most advanced digital chipset ever. With Evolve, we brought you great music while you work. With Evolve2, we’re taking audio quality to a whole new level.It’s a professional headset, but not as you know it.Soundproof your ears.Whether you’re working in the office or on the go, background noise can really disrupt your flow. Put on your Evolve2 65 and feel the noise around you instantly fade, as the isolating foam oval ear cushions and pioneering new angled earcup design work to effectively block out your surroundings, giving you passive noise cancellation like you’ve never experienced.You could say it’s like a portable quiet room for your head.Don’t hide when you’re in your stride.We’ve taken our busylight to a whole new level, making it visible from any direction. The red light is automatically activated when you’re on a call or in a meeting, or you can activate it yourself at the touch of a button. So, even when you’re right in the middle of everything, your busylight will protect you from all angles, and all interruptions.It’s like having a built-in security guard for your concentration.Battery for days.Whether you’re in and out of meetings, walking the corridors, or working remotely, it’s good to know your headset can handle the pace. Our advanced battery efficiency technology and that incredible little chipset have helped us to squeeze 37 hours* of juice out of this powerful wireless headset.But we’ve got you covered with the handy charging stand as well, just in case.True comfort. True luxury.We set out to create a wireless headset that would feel so great, you’d forget you were even wearing it. We designed the perfect shape using biometric measurements from hundreds of heads. Then we added soft memory foam cushions that mold to your ear’s natural contours. Finally, we assembled it using durable, premium materials.Because when it comes to your headset, true luxury is forgetting it’s there.Thinking outside the box.As far as things in boxes go, this is kind of a big deal. Before you’ve even unboxed it, you’re holding a pioneering piece of tech that’s leagues ahead of any other headset. But because we have one eye on the future, firmware upgrades and value packs are already on the way to boost it even further.If you think it’s great now, just wait…Jabra DirectJabra Direct makes sure that your headset always has the latest firmware, guaranteeing you’ll have the most up-to-date features, bug fixes and easy access to compatibility updates. With the user-friendly Direct Dashboard, staying current has never been easier.

EPOS IMPACT SDW 60 HS. Product type: Headset. Connectivity technology: Wireless. Recommended usage: Office/Call center. Headphone frequency: 20 - 20000 Hz. Wireless range: 7086.6"" (180 m). Weight: 4.8 oz (136 g). Product color: Black

Kensington's universal plug & play H2000 USB-C Headset delivers an immersive and focused experience, exceptional sound technology and premium productivity features via an ergonomic over-ear design. The H2000 provides cooling-gel infused memory foam earpads with breathable heat transferring fabric for all-day comfort, noise-cancelling microphones that suppress distracting sounds, LED indicators for 'busy' and mute to reduce distractions, in-line music controls and sidetone for a better call experience. Dynamic 40mm neodymium drivers deliver an exceptional audio experience for calls and music. A long 1.8m (6') tangle-free nylon braided USB-C cable provides room to stand and stretch. The H2000 is part of Kensington’s Professional Video Conferencing ecosystem - providing an integrated experience so you spend more time being productive. Works with popular calling applications (Microsoft Teams, Zoom and more) and operating systems (Windows, macOS and Chrome OS) - so you can instantly connect, stay focused, and be productive. Over-ear design with cooling-gel infused memory foam earpads covered in breathable heat transferring fabric, adjustable leatherette headband, a rotating microphone (up to 270°) that can be worn on the right or left side and rotating joints that allow the earcups to swivel up to 90° for a comfortable and secure fit. Passive noise cancellation (PNC) technology allows you to stay focused by blocking out surrounding noise, convenient flip-to-mute boom microphone supports quick muting needs and built-in hearing protection shields your ears from sounds above 100dBA. Enhanced environmental noise-cancelling (ENC) microphones suppress up to 90% of distracting sounds such as keyboard clicks so others can hear your voice clearly, sidetone confirms you are being heard, sound guidance confirms mute status and dynamic 40mm neodymium drivers deliver an exceptional audio experience with wide band support- for calls and music. Quick access to the volume, play/pause, mute and integrated busy light buttons help you maximise productivity, while LED lights provide reassuring visual confirmation of your status so you can stay focused. Viewable from the sides of both earcups, LED indicators turn red when your microphone is activated or when you toggle to busy via your in-line controls - to minimise colleague interruptions and maximise productivity. A long 1.8m (6') tangle-free nylon braided USB-C cable (with USB-C to USB-A dongle) provides the dependability of a wired connection and the freedom to stand and stretch during extended calls. Easily carry your headset in the flannel travel bag. Spend more time collaborating with Kensington’s unified video conferencing products and accessories - the most professional, personal and productive way to Communicate like a Pro. 2-year limited warranty included.

EPOS IMPACT SC 660 ANC USB. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music. Headphone frequency: 50 - 18000 Hz. Cable length: 39.4"" (1 m). Weight: 3.88 oz (110 g). Product color: Black, Silver