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"Philips VoiceTracer. Sample rate: 12 kHz, Frequency range: 750 - 18000 Hz. Product color: Gray. Compatible operating systems: Windows 10/8/7, macOS. Dimensions (WxDxH): 1.34 x 4.25 x 0.748"" (34 x 108 x 19 mm), Weight: 1.62 oz (46 g)"

"Philips VoiceTracer. Input impedance: 16 Ω. Product color: Aluminum, Black. Compatible operating systems: Windows 10/8/7, macOS. Dimensions (WxDxH): 4.37 x 1.5 x 0.748"" (111 x 38 x 19 mm), Weight: 1.94 oz (55 g)"

1x4 HDMI Splitter Transmits 4K Video + Audio to 4 HDMI Displays at the Same TimeRecommended for home theaters or short-distance digital signage applications in classrooms, offices, restaurants, bars, hotels and trade shows, this Ultra HD splitter is quick and easy to install. It connects to an HDMI source device, such as a laptop, media server or Blu-ray player, and transmits a 4K audio/video signal to four HDMI monitors, projectors or televisions simultaneously. You can also cascade up to three levels of splitters to send the same 4K signal to as many as 64 displays.Transmits Crystal-Clear 4K Video and Multi-Channel Audio up to 40 ft. (12 m)The B118-004-UHDINT supports Ultra HD video resolutions up to 3840 x 2160 at 30 Hz with 36-bit Deep Color (12 bits per channel). Place the splitter up to 16.4 feet (5 meters) from an HDMI source and up to 23 feet (7 meters) from as many as four connected monitors for a maximum distance of approximately 40 feet (12 meters) from source to display. The B118-004-UHDINT also supports DTS-HD, Dolby TrueHD, Dolby Digital Plus and LPCM 7.1-channel surround sound.Also Compatible with DVI Video Sources and DisplaysTo avoid an expensive upgrade to HDMI equipment, you can connect legacy DVI-D single-link sources and displays to the B118-004-UHDINT by adding an HDMI-to-DVI adapter, such as P566-Series (sold separately), to your application. Note: You will be able to transmit video only – no audio. Resolutions will be limited to those supported by the adapter.Ready to Use Right Out of the PackageThe plug-and-play HDMI splitter requires no software to download and install. Connect the HDMI input to the source and the four HDMI outputs to displays with user-supplied HDMI cables, such as P568-Series (sold separately). The included external power supply comes with four international plug adapters that allow you to use the B118-004-UHDINT almost anywhere in the world.

HDMI Matrix Switch Kit Ideal for Digital Signage in Offices, Schools and Trade ShowsThis HDMI matrix switch kit includes a quad-input switch and four pigtail-style receivers. It’s recommended for office buildings, schools, houses of worship, trade shows, meeting facilities, retail settings, hotels and other locations with video presentations or digital signage applications. The matrix switch and receivers extend 4K audio/video up to 230 feet (70.1 meters), making the kit ideal for areas where the four source devices and four remote displays are farther apart than conventional cabling allows.Extends a 4K A/V Transmission up to 230 ft....or Even FartherThe B127A-4X4-BH4PH allows video from any of four connected HDMI sources to display on four HDMI displays up to 230 feet away via user-supplied Cat6 cabling. You may select which video to display on which monitors by using the push button on the switch or the included IR remote control, which lets you operate the switch from the receiver end of the installation. By installing B127A-010-H signal repeaters (sold separately) between the switch and receivers, you can extend the signal up to 400 feet (121.9 meters) total per video output.Transmits Crystal-Clear 4K Video with Multi-Channel Audio, HDR and 4:4:4 ColorThe B127A-4X4-BH4PH supports Ultra HD resolutions up to 3840 x 2160 (4K x 2K) at 60 Hz, as specified in HDMI 2.0, with 36-bit Deep Color. High Dynamic Range (HDR) provides a wide range of vibrant colors with richer contrast, brighter whites and deeper blacks that pop on your 4K display. HDCP 2.2 compliance allows you to stream 4K Amazon and Netflix content with no complications. This switch kit also supports 4:4:4 chroma subsampling for top-level PC gaming or using your HDTV as a PC monitor.Built-In PoC Technology Provides Power to Avoid Bulky External Power BricksAfter you connect the included external power supply to the switch, Power over Cable (PoC) technology powers the receivers over Cat6 cable. LEDs on both the switch and receivers will light up to indicate the system is receiving power and a signal is being transmitted. PoC lets you avoid the hassle of a bulky power brick and gives you the freedom to place the receivers without the need for a nearby AC outlet.Multi-Resolution Support Allows Mixing and Matching of Displays of Different ResolutionsSay you have a brand new 4K/60 Hz HDTV in the living room, but want to extend video from the source devices to the older 1080p TV in the kitchen and the 4K (at 30 Hz) monitor in your home office. The B127A-4X4-BH4PH is backward compatible with 4K/30 Hz and 1080p resolutions via automatic switching, allowing each connected monitor to display video at its maximum resolution.Plug-and-Play Operation for Quick Setup and Immediate UseThe included matrix switch and receivers operate with no software required. The switch comes with detachable surface-mount brackets for mounting to a pole, rack or flat surface. Connect the switch to as many as four sources with user-supplied HDMI cables (such as P568- or P569-Series). Then, connect the pigtail receivers’ built-in HDMI plugs to the displays. Finally, connect the switch to the receivers with user-supplied Cat6 patch cable (such as N202-Series).TAA-Compliant for GSA Schedule PurchasesThe B127A-4X4-BH4PH is compliant with the Federal Trade Agreements Act (TAA), which makes it eligible for GSA (General Services Administration) Schedule and other federal procurement contracts.

Monoprice Workstream WFH 3.5mm + USB Headset Wired Head-band Office/Call center USB Type-A Black

Monoprice SonicSolace II Headphones Wireless Head-band Calls/Music/Sport/Everyday USB Type-C Bluetooth Black

Monoprice 625912 audio mixer 8 channels Black

BTI V13H010L93- projector lamp 400 W P-VIP

BTI ET-LAD60W-OE projector lamp

BTI ET-LAF100-OE projector lamp