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Whole House FM Transmitter 3.0
|Sale:||$124.99 & FREE Shipping. Details|
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- The Broadcast Distance - Our FM Transmitter will let you broadcast 150 feet throughout your entire home, office, backyard, etc.
- Large Digital Screen Display - Easily read what frequency you're broadcasting on with the LCD screen display
- Covers Full FM Band - You can transmit across the entire public FM band (88.1 to 107.9) on both even and odd frequencies
- Adjustable 6.5 SMA helical antenna features a conducting wire wound tightly in the shape of helix, increasing efficiency without increasing your antenna size.
- US/EU Pre-emphasis matches the emphasis to the FM radios in your region and reduces noise at higher frequencies
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Superior Broadcast Distance
The Whole House FM Transmitter 3.0 broadcasts a static free signal 150 feet in any direction.
Compatible with most audio sources like TVs, Home Stereo Systems, iPods, Smartphones,
MP3 players and computers. You will love the ability to broadcast your favorite music and audio
sources to any FM radio. Integrates seamlessly with home and car stereos.
Power & Audio Options
- 110/220v AC Wall Adapter
- 12/24V DC Mobile Power Adapter
- Computer USB Adapter
- Internal 3 “AA” Battery Compartment
- 3.5mm (⅛”) Stereo Jack
- RCA Adapter (red/white)
- 2.5mm Microphone Port (mic not included)
- Reverse-threaded Screw Attachment
- 6.5″ Swivel SMA Style Antenna
- Interchangeable Wire Extension
- Frequency Range: 88.0 ~ 108.0 in 0.1 MHz steps
- Pre-emphasis: US and EU Pre-emphasis Options
- Frequency Response: 20Hz ~ 15KHz
- Signal to Noise Ratio: >65dB
- Audio Performance: 0.2% distortion
- Stereo Separation: 40dB
- Large Screen Interface: 1.34″ x 1.10″
- Power Control: Mechanical Power Switch
- Tuning Design: Stable PLL Technology
- Dimensions: 4.1″ L, 2.7″ W, .9″ D
- Weight (w/ antenna): 3.7 ounces
- Transmission Signal: FM Stereo or FM Mono
- FCC Part 15 ID: XOA WHFM3
- Canada IC ID: 8728A-WHFM3
Other Important Features
6 Accessories Included
- 110/220V AC Wall Adapter
- 12/24V DC Car Adapter
- USB Power Cable
- RCA Stereo Audio Cable
- Stereo “Y” Cable
- Stereo Audio Cable
Compact and Durable Outer Shell
The WHT 3.0 is about the same size of a deck of playing cards and fits in the palm of your hand, pocket or the desktop stand.
The shell is cast from a strong plastic polymer to help safeguard against accidental drops, and is held together by four screw fasteners protecting sensitive components.
Top customer reviews
I do wish it were legal to use the longer antenna. Oh well. It took about 15 minutes to adjust the sound output from my computer to the right level. The sound is quite passable. Some radio receivers are really awful. My alarm clock (iHome) is actually excellent, but my cheap-o iPod/FM receiver is terrible, and it has ultra-fine-tuning FM ability, which might be the problem. My ancient Sony AM/FM alarm clock with analog tuning is great. My Sony digital walkman is decent. It seems that a wider receive range from an analog tuner picks up better, but the digitals are passable even then. You do still get noise from other devices, typical of FM. In my bathroom I have to put the radio up a little higher to get around a noise spot. This isn't the fault of the transmitter, and is quite easy to deal with.
Pricing a higher fidelity (near CD quality, wired-in, whatever) solution tends to run very expensive very quickly - either needing to buy multiple small units and speakers for various rooms, or a new stereo with wires run to multiple separate rooms, with speakers. Sending audio directly from a computer to an iOS/Android device runs around 4-40 dollars per device, and still, no power, no speakers. They may offer more control, higher quality sound, and so on, but I was not after a whole-house single audio system. I just wanted to be able to hear the same game in the garage as in the kitchen and office. With one purchase I was able to do that, and no apps, no wiring, no drywall repairs, and far less maintenance.
Setup issues: The signal was always pretty strong, but initial problems included "reverb" in the sound or "tinny" sound and distorted bass. At first I confused this with a weak signal, as it sounded like an FM radio station 100 miles away. I was ready to send it back, however, various experiments proved this was not a function of the signal strength, but 1) a poor connection in the (included) 3.5mm "line in" jack (which lots of jiggling eventually worked out), and 2) plenty of attention to lowering the line-in volume. After that it sounded great. The sound is not perfect, like the stereo where the source is plugged in directly with RCA cables, but the stereo sound is still excellent and quite acceptable. I also got more consistent results when using the Aux Out from my stereo to feed the unit, instead of the Internet Radio directly, due to more consistent volume levels I guess.
Good Range: I can get in my car and surprisingly it doesn't really start fading until I am a several doors away on my residential street. And this is using the U.S. "legal" 6.5" swivel antenna that comes with it, located at the back of my home.
Low volume: You are going to have to turn your remote stereo up to double the usual volume level, because if you try to turn up the volume level on the source device or try to turn up the "line in" volume on the unit, you are going to have terrible distortion. I adjusted the "line in" volume to about 50%. This made it sound good, but again the volume is low. You won't hear much static, but because your remote stereo will have to be turned up very loud, you might hear a bit of background static.
Hum on A/C: This was the most annoying problem of all. I started with batteries, but the 3 AA cells were running down after several hours of use and the quality and range began to deteriorate significantly. I decided I had better plug it into the wall (using the included USB power cable and 120V A/C to USB adapter, but I had avoided that because this caused the unit to broadcast a very noticeable 60 cycle hum. I tried to solve this by soldering a 1000uF capacitor across the 5-volts on the USB cable, but to no avail. Eventually I resolved this by using the (included) car cigarette lighter to USB adapter, with a high quality power supply I had lying around, which converts 120V A/C to 4-amps of highly filtered D/C in a Cigarette Lighter receptacle. No more hum using the cigarette lighter adapter, but you are probably going to spend maybe $50 getting a high quality A/C to 12-volt power supply. However, when compared to the cost of a Sonos wireless system to do what I am trying to do, this unit is still a real value.
Summary: The 2 things I wish the manufacturer would address are 1) the awful hum from the A/C power adapter they provide, and 2) broadcast at a higher volume, since the input volume must be low to avoid distortion on the output. Still, since I have resolved the hum on my own, and since I can live with keeping the remote stereo turned up louder than usual, this unit is a Keeper. With its good range and excellent sound quality, I can recommend it.