Plantronics SHS1890 911 Dispatch Amplifier

If you work in a dispatch center then this post will be familiar to you.  What most people don’t know is that the SHS1890 Amplifiers will work with ANY Plantronics “H” series headsets.  There is an option of cord lengths that you may choose; 10 feet, 15 feet, or 25 feet. This is equivalent to WE-425.  These units have the Push-to-Talk (PTT) feature with selectable locking or momentary operation.

This equipment has to be reliable; sometimes life or death hangs in the balance. Functionality is integral to dispatch personnel.  If you notice that the two plugs on the unit are considered to be 6 wire configurations.  This amplifier has a quick disconnect that allows you to step away and reconnect quickly to the cable.

Frequency range is 300 to 3300 Hz

Unless otherwise specified, all specifications are nominal, and assume a 50 ohm resistive load with a bias of 4.8 V dc.

Shown with a Plantronics HW301N Headset and an SHS1890-15 Amplifier.

	1) HW251- The HW251 headset should be in your basic tool kit for any new employee.  This is a straight shooter with a single-ear headset that is comfortable to wear.  While training or working this is a great piece for anyone to wear. It has premium audio, with a quick disconnect that can be used with your telephone or switched to a USB quick disconnect cable.
	2) HW251N - The HW251N headset is a single-ear noise-canceling piece of art.  When this headset is used in a call center the noise canceling helps to block out the sounds in the room. It has a flexible boom microphone that ensures premium audio for any client. With the quick disconnect on the end of the cable you only need to ensure which cable or amplifier will work with your phone.
	3) HW261N - When you want to be the best you wear the HW261N headset. You have dual ear covers, so no more distraction from noisy cube mates. The HW261N ensures that the audio is premium, and the noise-canceling microphone helps to reduce the background noise as well.  This headset has a quick disconnect on the end of the cable.
	4) H141N- The H141N Duo Headset is a fine addition for all companies.  This headset will allow the user to choose between a headband style or an over-the-ear style. It has great noise-canceling service in the microphone as well as great sound quality. The cable has a quick disconnect on the end, so remember to check a compatibility guide when picking your amplifier.
	5) H141 - Whether the H141 Headset is worn over your head or over your ear, this Duo Headset is nice to have. Quality of sound is superb; this lets you have a hands-free work place with no more kinks in the neck. This headset has a quick disconnect feature on the cord that allows you to zip where you need to be, then quickly reconnect.

If you’re deciding between corded models of headsets, it never hurts to see what the most popular models are, because chances are other customers have purchased corded headsets and found what they liked and continue to purchase them. With the models listed above, they’re all top of the line business grade/professional grade corded headsets made by Plantronics that are durable, comfortable and built to last. Choosing any will increase your productivity by allowing you to be hands free while talking on the phone. Once you try a corded headset, you will find it hard to be without.

	1) Blackwire C210 - The Blackwire C210 computer headset is very efficient; it has inline controls with call answer/end, mute, and volume up and down.  This is great for webinars and conferencing and has more natural voice because of the superior DSP. Sound guard protects against audio sound spikes. This headset has wide band for best PC telephony.
	2) .Audio 355 - The .Audio 355 has swivel-mounted 40mm stereo speakers which deliver rich sound. This binaural Plantronics headset is comfortable for wearing for long periods of time.  It has convenient inline controls. The .Audio 355 is great for gaming or watching movies on your PC. When in use, it has a noise-cancelling quick adjust microphone that enables you to have precise placement while talking.
	3) Blackwire C420 - The Blackwire C420 Headset has a cushion for the top of your head, cushions on your ears, and a quick adjust microphone.  This headset has a neoprene travel case to keep it dust free when you are on the road.  With optimal hearing and voice control while working or gaming, the Blackwire C420 us easy to use with inline mute, call answer, end, and volume up or down. With this on you know you are working with the best manufacture of headsets
	4) Blackwire C610 - The Blackwire C610 computer headset from Plantronics is a monaural headset with wide band for best PC technology. DSP on the Blackwire C610 helps to control background noise. For all day wearing in a busy environment, this headset delivers the performance and comfort you want. It is simple to connect to your USB.
	5) .Audio 995 - The .Audio 995 is a wireless headset for your PC. Control volume, play, and skip track on iTunes and Windows Media Player with controls right on the ear piece, so you stay in control.  This headset is lightweight for all-day comfort and an enjoyable wireless digital experience.

If you’re deciding between computer headset models, it never hurts to see what the most popular models are, because chances are other customers have purchased computer headsets and found what they liked and continue to buy. Choosing any will provide a great headset to use with your desktop or laptop computer.

	1) Discovery 975- Fashion meets performance with the Discovery 975. This stylish headset incorporates the latest Bluetooth technology making your wireless mobile communication a most excellent experience. Check out all the features at www.headsetsdirect.com
	2) M20 – With extended battery life, whispered talk-time alerts, and noise reduction you can make every call worry free. Avoid recharging even longer by using the power switch between calls, and if you have an iPhone, you can monitor battery life onscreen. So talk freely knowing you have the time you need and the technology you want, all in a stylish, discreet headset.
	3) Voyager Pro B230 – Simply place the next generation Voyager PRO UC headset on your ear to automatically answer mobile or PC calls. With Smart Sensor technology, your Skype or Microsoft Lync Server 2010 presence is immediately updated to show your availability and willingness to engage. Voice prompts announce remaining talk time, connection status and battery level for superior call management.
	4) Explorer 240 - For the cost conscious buyer who still wants Plantronics quality, the Explorer 240 is the Bluetooth headset for you. This discreet little headset won’t leave you with a sour taste when it comes to quality performance, and it won’t break your wallet when it comes to price.
	5) MX200 – An excellent way to get quality Plantronics sound through an inexpensive corded headset for mobile phones that use one. The discreet microphone on the MX200 ear bud headset is designed to pick up your voice, and only your voice.

If you’re deciding between Bluetooth & Corded mobile headset models, it never hurts to see what the most popular models are, because chances are other customers have purchased headsets and found what they liked and continue to purchase them. Bluetooth headsets make talking on your mobile phone easier and more productive with your hands free to write or type.

	1) Amplifier / Cisco Direct Connect Cord (26716-01) - Do you have a Cisco phone, such as a 7940 or 7965G? Does it have an RJ9 headset jack (similar to your handset jack)? Trying to connect one of Plantronics top rated headsets to it? Then this QD-to-modular cord is just the ticket, and priced right to boot.
	2) A10 Direct Cable (66268-03) - The A10 direct connect cable is an economical way to connect H series headsets to certain telephones that have an RJ9 headset jack, such as Nortel, Mitel and NEC. Please contact our sales team at Headsets Direct at 800-914-7996 to determine if your phone can use one.
	3) M22 Amplifier - The new edition of their most popular amplifier incorporates the latest technology used on most new phones sold.  Designed to work with over 90% of all phones being used today, the M22 offers excellent voice and hearing control for all your headset needs.
	4) HL10 - The HL10 handset lifter is the must-have addition to your Plantronics wireless headset system. It effortlessly lifts the handset and returns it to the cradle at the touch of a button from wherever you are and takes up no desktop space.
	5) 03929-63 HDI Training Adapter - A Headsets Direct original product, this training adapter is flexible enough to be used on both wireless and corded headsets. Give the folks at Headsets Direct a call at 800-914-7996 to see how easy it is to train with their HDI headset training adapter.

Replacing your Plantronics headset accessories is a great way to keep your headset performing at its best.  When ear cushions tear, your voice tube gets clogged, or your wireless battery life isn’t what it use to be is the time to make your headset like new again.