My impressions so far with the nXZEN 5500 so far after having it for a day.
Pros:
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The DSP noise cancellation of course. Even in quiet environments, my voice sounds louder and crisper than my Motorola H500.
Standing 4 feet in front of my television with sound up higher than my voice, even though the BG noise wasn't cancelled 100%, it was barely noticeable.
My hands clapping loudly in front of me while speaking on the phone. Again, although not 100% cancelled, it sounded like someone 10-20 feet away was clapping.
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Graphic Equalizer on the nXZEN 5500
-The 5500 comes with a graphic equalizer so you can adjust the sound of the phone volume,microphone gain, as well as for the stereo music. Both phone and stereo settings are sepperate and independant settings. Being able to adjust the microphone gain is very nice...helps the other party hear a louder voice if the default settings aren't cutting it. It's also nice to be able to adjust the tone of the incoming voice.
It's straightforward to use. The Equalizer software resides on your PC. Your PC requires Bluetooth (I used a Bluetooth dongle) to set up a partnership with the unit. Once the partnership is set up, you can tweak the unit's sound settings and hear them near-interactively while the unit is in your ear.
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Charging. This is both in the pros/cons.
Con: There is a proprietary charging input which doubles as the seperate stereo earbud tether.
Pro: A Usb converter comes with the unit however, so you can charge via standard powered usb.
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The size of the init is nearly identical to the Motorola H500, except for the ine-ear canal protrusion.
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In Ear canal earbud which makes it easier to hear the caller.
Cons:
-The Volume buttons take too much force to depress...also, not easy to know when you are on the button.
-There is no tone when you turn the unit on. If you are wearing it, you have to guess if you have depressed the "side" button long enough. It does generate a tone after you let go however. In my opinion It should generate the tone while you are pressing so you know when to let go.
-The various soft earpieces that act like an in ear canal ear bud need some work. If the bud isn't angled properly in your ear (this would depend on your physiology), the sound is very dim and muted. I thought I had a faulty unit until I realized this. In my opinion the rubber pieces are too long, at least for my ear. When I depress the "side" button...the rubber piece presses hard into my ear. This causes the opening of the bud to become blocked by my ear, thus muting the sound. It also cause one to feel that if you press too hard, it'll touch your brain!
- The added earbud for stereo playback of music. It's not bluetooth, it's a tethered design. You plug in the second earbud to the charging input of the unit. This earbud is connected to a wire (with a clip) and has a standard earphone jack on the end. It would have been much nice if the connection to the music device was also via bluetooth, since the unit can connect to up to 3 devices.
Neither Pro nor Con:
The Ear hook, although it can be adjusted for left/right ear use, once in place does NOT swivel much if at all like most other devices. It's takes a little time to get used to putting it on because of this. It DOES stay in place when on, and never feels like it might come off.
You can also remove the earhook entirely and rely on the in-ear bud to keep it in place...however the unit is much more prone to falling out if you are being active. It's good for someone who only puts it on when making a call and then removes it in low active situations.