Sennheiser Remanufactured RS 110 OpenAire Supraural RF Wireless Headphones with Enhanced Bass Review

Average Reviews:

(More customer reviews)First, a note on buying these remanufactured (I'm not taking off a star since this is lumped with the NEW RS-110 reviews):
They say here 'remanufactured to like-new condition'--a bit of an overstatement...I can see noticable scratches on the phones and a fairly small chip of plastic is missing from the corner of the transmitter (but I'm pretty fussy and notice that stuff).
Still, condition is good and earpads look new (thank goodness). Comes with all accessories and panasonic AAA's. Still, for the savings (1/2 price) I can deal with some surface marks. I'm satisfied with my choice to buy remanufactured, but next time I might opt to buy new. If scratches will bother you, buy new.
Now about the phones:
Reviews that say they are plug and listen are true. I first had to find the battery compartment (well disguised behind one of the earpads)...just turn the pads sideways (eitherside) to reveal what's behind them.
The reception is good, note I'm using these in a residential neighborhood....when I get back to college I'll update. I walked outside and to opposite sides of my house and to the basement...still soundin' good. Once in a while I do get some static, but (for me) it isn't constant or common enough to make this an annoyance....living in a city area or apt might cause more interference (more wireless phones etc).
The sound: Nice base, not too heavy, just right. The sound is really crisp and clear. I use these to listen to my music (CDs and LPs) and DVD's wirelessly. They seem pretty comfortable despite size, the padding on the top and the earpads is very soft. They do look hilarious on me (according to my sister I look like I should be DJing). As with most wireless phones these are big cans, but they aren't ugly...just BIG. And since I'm wearing them mostly indoors, I'm not worried about the size.
Recommended for a good priced and good sounding wireless headphone.

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RS110 Wireless Headphones Sennheiser wireless headphone system. Open-Aire, supraural wireless stereo-RF headphone system. Detailed warm sound reproduction with strong bass response Supports the use of multiple headphones receiving the RF signal from one transmitter. Delivery includes transmitter, power cable, audio cable and headphones. Connects to RCA jacks (red and white outputs), 1/8" and 1/4" headphone sockets (anything with a headphone jack including laptop and desktop computers!). Compatible with LCD and plasma televisions. Wireless freedom of sound with maximum comfort. Features: Open-Aire, supraural wireless stereo-RF headphone system Detailed warm sound reproduction with strong bass response Wireless freedom of sound (reception through walls and ceilings) Very lightweight headphones are extremely comfortable to wear Replaceable parts for long service life AAA batteries included 2-year warranty

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Audio Technica PRO-88W Wireless Microphone System (171.045 and 171.845 MHz) Review

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(More customer reviews)This wireless lapel microphone, transmitter, and receiver works well for close quarters shooting. The 9 volt batteries can last up to 8 hours.
The sound quality of this mic is very good. But there are some issues. The RF signal is weak and I have experienced interference issues when the transmitter was covered by a suit jacket with the subject located fifteen to twenty feet away from the transmitter while other RF devices are present in the immediate vicinity. So Far I have documented four events with this set and I have experienced white noise and interefernce at two of those events. I did not experience sonic interference the entire time but once in a while a bit of static would build up and then fade away over 20 to 60 seconds of time. This seemed to depend on the movement of the subject wearing the transmitter crossing the path of other RF (radio frequency) transmitting devices. For that reason I have decided to purchase a higher end unit for Business and Wedding video shoots. I am still going to use this mic for studio interviews and on location shooting where my subject will never be more then 10 feet away when I have the luxury time to work out any interference issues.
All in all, I do like this wireless mic set because it is easy to work with and fills a a particular niche for beginning Videographers. The Pro-88 came with a few extra things that helped. These include; a single ear bud that allows the camera operator to monitor the audio signal as its being recorded, two detachable belt clips for the transmitter and the receiver, a camera shoe mounting bracket for the transmitter if you would rather attach it to the camera, four strips of Velcro, and two strips of soft foam for resting the transmitter on an inclined surface.
I recommend this wireless lapel microphone system for small budget projects and as a possible back up for small events and venues. However I would suggest saving up and buying a pro series of wireless lav mics for weddings and corporate events.


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The Audio-Technica Pro-88 VHF wireless microphone system is a reliable, camera mountable microphone system for event videos, training videos and much more. The Pro-88 bridges the gap between quality and affordability by incorporating high quality, rugged components for optimum results. The system consists of the Pro 88 camera mountable receiver, body-pack transmitter and AT 829mW lavalier microphone.

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ButtKicker BK-LINK RF Wireless System Review

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(More customer reviews)I have to add my .02 cents here. First of all, the rambling review quoting transducer frequencies is wrong. He did give the unit 5 stars, however he tries to defend the unit by attempting to invalidate the reviews of the unit when used with a subwoofer rather than the BK shakers.
Guitammer clearly states this unit can be used with a standard subwoofer which is specifically what I needed it for. I read the reviews here and decided to keep looking but after a fair amount of research, I found no other devices claiming the (sonic) frequency range of the BK-Link. Other wireless units were offered in sets and were intended for use with rear surrounds. Along with being more expensive, they also claim 20Hz to 20KHz audio which is standard speaker range. It's also the range of human hearing (generally) but subs are also about feeling. Both of my subs go well below 20Hz and I wanted to be sure I would get all of the performance out of them that they are capable of giving.
The operating frequencies of the BK-Link unit start at 5Hz. The upper range is stated to be 350Hz. Much higher than anyone should need for the intended uses.
So... I went ahead and got this and figured I could return it if it was unacceptable.
I was prepared to chase down any hum, something I'm quite experienced at. But, there was no hum to chase. I plugged it in, hooked it up, and it worked.
I played one of my favorite sub tests, the crash sequence from "Flight of the Phoenix(2005)", as I am very familiar with my sub's performance with this material and I see, or should I say hear, no difference between a line and the BK-Link.
No discernible delay was added nor was any loss of volume or tone obvious. This held true for music tracks also.
Testing for speed and accuracy, I reached for "Fade to black" which has a prolonged rapid double bass kick at the end that will trip up inferior subs even with direct connection. Again, no difference with the BK-Link compared to a direct line.

The send unit sends, the receiver receives, the woofer woofs. End of story. It also does so out of sight and out of mind. Which it should.

I realize hum is a genuine issue in a lot of systems. I also know it can almost always be remedied. My $5K component pre/pro and amp had their share of (humming) gremlins when added to my somewhat extensive HT setup and that's with balanced interconnects. After working through my system, I resolved all issues one-by-one.

After seeing and now using the BK-Link, I think it is no exception. Although my system is already quite settled, the BK-Link brought no NEW issues to the party. Meaning, most likely, if you're having issues, it's with a system that was already prone to have issues. You may run into problems adding ANY new device to your system. You just need to do some homework and you will, with very few exceptions, be able to work it out. An added bonus is, you just may find your system sounds better after resolving your newly found latent electrical issues.
P.S. Audio (dot com) has a great essay on hum busting on their website. It is really a great piece with lots of great ideas for fixing these issues. Perhaps if some who've reviewed this item poorly happen to read this, they can take another shot at it armed with a little more information.
If you're having a problem with the BK-Link, I wouldn't be so quick to blame the unit. ALL HT components are susceptible to some extent. The BK-Link is no different.
As my Mama always said, "don't throw out the baby with the bath water".
The BK-Link DOES work with Subwoofers. It works as well as I could possibly have hoped and I am extremely pleased with it.

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If you have the ButtKicker LFE low-frequency effect system you already know what a powerful bass effect it adds to your home-theater entertainment or other audio system. Now you can add the ButtKicker LINK RF Wireless unit to your system's design, allowing you to expand the locations where your ButtKicker LFE units can go and remove the unsightly tangle of connecting wires.
The ButtKicker LINK RF Wireless package uses a transmitter and receiver that transmits radio-frequency waves, allowing your ButtKicker LFE unit to communicate wirelessly with the rest of your audio system. Set-up is simple, with the transmitter unit connecting to your subwoofer or audio/video processor, such as your stereo or television, via an RCA cable, and the receiver unit attaching either directly to your ButtKicker LFE or your ButtKicker Power Amplifier via another RCA cable.
Operating on the 900 MHz bandwidth with a frequency range of 5 to 350 MHz, these two units can communicate over several dozen feet -- even through walls and ceilings. Enjoy the amazing effect of the ButtKicker audio system anywhere in your home or business at ease by utilizing the ButtKicker LINK RF Wireless package.
What's in the Box Transmitter unit, receiver unit, two AC adapters, and two 1.5-meter RCA male to male cables.

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Sennheiser HDR120 Supplemental HiFi Stereo Wireless Headphone for RS-120 Wireless System (charging/transmitter base not included) Review

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(More customer reviews)I bought this headset to replace a radio shack wireless headset where the batteries were failing. I like the Sennheiser for its quality, the fact that it sounds great and for the fact that it uses AAA rechargeables (comes with it) that will hold a charge for more than 24 hrs of use, and they are easily replaceable when that time comes. The sound quality is excellent... good bass and the highs are clear. I use these primarily in bed so as not to disturb the wife while watching TV... I am one of those who needs the noise in order to sleep, so the headphones are on all night albeit at low volume. I have found that they are cool and comfortable to wear. I wake up without the red ears I used to get with the others. If there is a complaint it would be that they fit on the ear and as such feels loose on the head, so when I do use them while moving about they slip. The old set was around the ear, so was more secure, but after a couple of hours were intolerable to wear... tradeoffs. Oh, one other thing I discovered that I really like is that the ear cushions are easily removable and can be cleaned with a mild detergent, dried and snapped right back on. So, bottom line, I am very satisfied with these and recommend them to other night owls or those who need to wear them for long periods.

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Sennheiser HDR 120 Headphones, Extra Wireless Headphones for RS110 and 120 Systems

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Soundcast SOU-SCK510 SubCast Wireless Transmitter/Receiver System for Subwoofers Review

Average Reviews:

(More customer reviews)First of all the seller (JCC Electronics) was fast, communicated well, and delivered to their commitments. Would buy from them again.
I was looking for a solid, accurate wireless connection for subwoofers not located within cable distance/convenience of the AVR. Purchased and evaluated the Soundcast SubCast and have to give it 5 stars +++. Here's why:
Frequency response: Measured electrically flat in the sub range of around 250Hz to below 20Hz. Actually, short of a bit of ringing in the very high frequencies (+15kHz) this device works well as a full range, 2 channel wireless audio transmitter. It is just being packaged and sold for subs in this application. Anyway, frequency response was down .3 dB at 15Hz, down 1 dB at 10Hz, and down 3.4 dB at 5Hz.
Connectivity: Comes with multiple audio cables for each end of the wireless connection so it is highly unlikely you would need to buy any additional cables. Also includes wall worts (power) for each end which is provided via USB connectors (USB cables supplied) between the wall wort and the transmitter/receiver.
Latency: All wireless solutions that transmit digitally introduce latency (delay) into the audio stream between the transmitter and receiver. Soundcast claims 15ms and I measured 15ms. Other solutions on the market are much higher than this or use analog transmission that allow static and noise injection into the audio. The latency must be accounted for in the AVR and 15 ms (around 15 feet - one foot per ms) is easily handled by most AVRs.
Interference with other 2.4GHz devices: The transmitter and receiver operate on the standard 2.4GHz band used by cordless phones, wireless networks, etc. Testing revealed no interference one way or the other between devices or external sources of interference like microwave ovens, etc. The transmitter and receiver operate on a narrow band/band hopping process that claims to virtually eliminate interference. My testing confirmed no issues.
Size/Appearance: The size of the transmitter and receiver are quite diminutive hence easy to hide. If you want to look at them, they are very attractive and have two lights in their bases - a green one indicating power, and a blue one indicating signal connectivity between transmitter and receiver.
Bottom line - if you are looking for a reliable, all-inclusive subwoofer wireless connectivity solution that won't affect the sound quality or performance of your sub, give this a look.
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SubCasts allow you to make up to two subwoofers wireless. No programming, no assigning IP addresses, just plug Sub "out" into SubCast transmitter and power it up, then plug receiver module into subwoofer inputs and power it up.Subwoofers can now be placed anywhere in the room.

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