Showing posts with label battery. Show all posts
Showing posts with label battery. Show all posts

10/01/2011

Directed Electronics 599T 3V Lithium 2032 Battery - 10 Pack Review

Directed Electronics 599T 3V Lithium 2032 Battery - 10 Pack
Average Reviews:

(More customer reviews)
bought these a while back and now know why they are so cheap. they work for 1 day! you get what you pay for!

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Replace a dead battery in your Directed Electronics remote transmitter with a 3V Lithium 2032 Battery.This 10 pack of batteries is compatible with the Directed Electronics DEI476TV, DEI476S, DEI476A, DEI474P & DEI473P remote transmitters.

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9/04/2011

Pyle PHPW2 Hi-Fi Wireless FM Headphones (Super Bass, Black) Review

Pyle PHPW2 Hi-Fi Wireless FM Headphones (Super Bass, Black)
Average Reviews:

(More customer reviews)
These wireless headsets from Pyle are mainly used in our home for watching and hearing sound from movies. These are not the best in sound quality but fairly priced. Other features with these headsets like listening to the FM radio isn't as convenient since there's no way to see the station that's tuned in, or a quick way to tune to a favorite station. Instead, I manually push the scan button until the right station I want is being received. When the headset is turned off, then turned back on, the headset forgets the presets so I would need to do it again. So, I don't use it to listen to FM; it's only for emergencies.
Newer wireless FM transmitting base stations and FM receiving headsets have more standard features like built in microphone and ability to use DC power instead of AAA batteries. In my opinion, the built in microphone is a nice to have but it probably isn't a reliable way to monitor for baby cries or for the elderly. The FM transmitting tower is weak, unable to go through walls reliably (900 MHz or higher like the frequencies wireless phones use would penetrate walls reliably). Also, the transmitting stations do not encrypt the wireless FM output signals so the entire neighborhood or the apartment complex could hear your conversations if you left the device on by accident. I prefer to leave this feature/option out of my transmitting station.
If you must have a wireless microphone (to transmit speech via wireless FM frequency), then buy a quality microphone separately (small microphones for computers would work). You could connect the microphone to the Audio Input in the back of the transmitting tower to broadcast the speech/sound.
The DC adapter/capability feature for the newer models are a good feature to have to avoid consuming batteries, but audio quality is poor due to the DC signal noise (occasional crackle sounds and pops will be transmitted from the transmitter to the headsets when a large appliance in the house comes on to draw power). Personally, a battery powered transmitting station is the optimal method and results in higher quality/cleaner signals (the only power source for this Pyle model is two AAA batteries). Transmitting station and signal reception for the wireless headsets are reliable when there's no physical obstructions or barriers.
Power consumption is minimal, but I must remind myself to turn off both the transmitting station and headsets when not in use. I use rechargeable batteries and I never worry about running out of batteries or power for the transmitting station.
These are mono headsets when they operate in wireless FM frequency mode, but if plugged directly into the source with an adapter (purchase separately), they become stereo headsets. If you're looking for higher quality wireless headsets, you may want to get binaural wireless headsets which provide sound that's better than surround sound stereo, but could cost significantly more due to the newer technology behind it.

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The Pyle PHPW2 Wireless Headphones provide Clear, Bright, and Full sound without the hassle and tangle of wires to get in your way. They feature a Powerful wireless transmitter, which can be connected to anything with Audio output, such as your Television, Stereo, Computer, MP3 player, etc. With over 100 Feet of range, feel free to roam with these Pyle wireless headphones.

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7/18/2011

JVC HAW600RF 900 MHz Wireless Stereo Headphones Review

JVC HAW600RF 900 MHz Wireless Stereo Headphones
Average Reviews:

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I bought these JVC headphones as I have a hearing loss and I always get complaints about the TV being too loud. I bought JVC because I have a JVC sound processor. My impression of the headphones is that they are not a well-designed unit.
I have experienced two main problems with this headphone/transmitter set. First, the positioning of the headset in the charger/transmitter has to be perfect or the headset will not charge. And it is very problematic to position the headphones in the charger in exactly the correct manner. If the headset is not perfectly placed, it will not charge the batteries. Therefore, intelligent user-friendly engineering of the charge/headset combo is really lacking. Secondly, the transmitter on my unit will suddenly go off and transmit loud static! That will wake you up real quick! The sound may stop transmitting for up to a minute or more, and then it will come back on. The problem became more frequent so I finally stopped using the headset entirely. JVC has the WORST customer service center in the entire civilized world, (I have tried to get other JVC items serviced and have had nothing but trouble with them), so I junked the unit. I bought a Sony headset and so far it works great.
My advice is to avoid this JVC product.
Jim "Konedog" Koenig

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Tune in the music and tune out your cares with JVC's HA-W600RF. These cordless, rechargeable 900 MHz headphones offer an extended (approximately 164-foot) range and can be used with virtually any audio/video equipment. An automatic tuning feature gives the best quality sound at all times. A Voice Call function grants convenient communication from the base to the headset. Large, 40 mm diaphragms ensure full-bodied sound, while a self-adjusting, comfort-fit headband makes the set easy to wear. The headphones offer automatic on/off (triggered by the presence or absence of audio signal) as well as automatic charging when stationed in their base. Braille-type markings signify left and right ear pieces. Rechargeable Ni-Cad batteries are included.

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