SKU: 6439009396

LD Systems U304.7 HHD Wireless Microphone System w/Dynamic Handheld Microphone (470-490 MHz)

Sale price$176.40 Regular price$196.00
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Description

LD Systems U304.7 HHD Wireless Microphone System w/Dynamic Handheld Microphone (470-490 MHz)Developed in Germany, the UHF diversity wireless systems from the U300 series deliver excellent audio performance. They achieve a range of 100 metres in ideal conditions and are available in five frequency bands: 584608 MHz, 655679 MHz, 823832 MHz + 863865 MHz, 470490 MHz or 514542 MHz. Up to six U300 systems can be used simultaneously in each frequency band. Convenient one touch synchronisation via infrared ensures fast, problem free wireless

Developed in Germany, the UHF diversity wireless systems from the U300® series deliver excellent audio performance. They achieve a range of 100 metres in ideal conditions and are available in five frequency bands: 584–608 MHz, 655–679 MHz, 823–832 MHz + 863–865 MHz, 470–490 MHz or 514–542 MHz. Up to six U300® systems can be used simultaneously in each frequency band. Convenient one-touch synchronisation via infrared ensures fast, problem-free wireless connection between the transmitter and receiver, while a squelch with pilot tone ensures disruption-free operation.

U300® transmitters have a 10 mW output and an operating time of 10 hours on two AA batteries. The handheld microphone’s frequency response ranges from 55 Hz to 16 KHz. With a lower cut-off frequency of 25 Hz, the bodypack is also suitable for transmitting 5-string bass guitars with a deep H string. The bodypack’s input level can be adjusted to both active and passive guitars and basses over three levels. The power switch features a handy standby mode for temporary muting. The U300® receiver is fitted with a bright LCD channel display, an LED chain for displaying audio signal strength and both a balanced XLR and an unbalanced 6.35 mm audio output. The audio output can also be switched to instrument level for directly connecting to guitar and bass amplifiers.

U300®-series wireless systems feature a fresh, modern design and are available as vocal sets with receiver and dynamic handheld microphone with cardioid characteristic, bodypack and headset or bodypack and lavalier microphone. The microphone characteristic can be changed using U500®-series replaceable heads. U300® instrument sets are available with bodypack and clip-on microphone for wind instruments or a double-shielded low-capacitance cable for guitars and basses.

General
Product type Wireless Microphone Systems
Type Set
Transmission frequency range 470 - 490 MHz
Weight 0,94 kg
LDU3047MD - LD Systems U304.7 HHD (USA version) Dynamic handheld microphone (only available in the USA)
Product type Wireless Microphone System Accessories
Type Microphones
Transmission frequency range 470 - 490 MHz
Channels 12
Groups 1
Microphone type Dynamic
Directivity Cardioid
Frequency response 55 - 16000
Signal-to-noise ratio 104 dB
Rated HF output power 10 mW
Controls Power On/Off
Indicators Power LED (Power ON: green)
Operating voltage 2 x AA battery
Operating time >10 h
Length 257 mm
Diameter 50 mm
Weight 0,235 kg
Other features Pilot tone
LDU3047R - LD Systems U304.7 HHD (USA version) Receiver 470 - 490 MHz (only available in the USA)
Product type Wireless Microphone System Accessories
Type Receivers
Transmission frequency range 470 - 490 MHz
Modulation Type FM
Channels 12
Groups 1
Antenna inputs 2 x fixed
Frequency response 25 - 16.000
Signal-to-noise ratio 104 dB
Noise reduction Squelch
Transmission optimization Pilot tone
Total Harmonic Distortion (THD) < 0.3 %
Audio output, balanced XLR
Controls volume
Audio output, unbalanced 6.3 mm jack, switchable unbalanced output level
Indicators LC display
Operating voltage 12 V DC - 18 V DC (500 mA), external power supply
Max. output level +10 dBu (Bal), +7 dBV (Unbal, Line), +2,5 dBV (Unbal, Instr) dBu
Weight 0,7 kg
Other features IR frequency synchronisation
Width 211 mm
Height 43 mm
Depth 120 mm
Accessories (included) Power supply
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6439009396

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4.4 ★★★★★
Based on 26 reviews
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Verified Purchase
PikeG2
Bozeman, US
★★★★★ 5
Powerful Mug Warmer with Excellent Heat Output and Large Heating Surface
Color: Wood, Color: Wood
CAUTION: Unplug when not using. It is very easy to activate or turn on by mistake. Simply brushing up next to it will turn it on. Nonetheless, I use this SWEETFULL coffee mug warmer every morning and afternoon. It’s usually one of the first things I turn on so I can preheat my latte cup before pulling espresso. I like my lattes very hot, and preheating the cup helps prevent heat loss during extraction. I also use it as a candle warmer as an alternative to open flame, which I prefer for indoor air quality. The heat output is impressive. Even on the lowest setting, it gets very hot and reaches usable temperature quickly. The large heating surface is a major advantage. My latte and cappuccino cups have a wide mouth, and this warmer heats the entire base evenly rather than just the center, which makes a noticeable difference in temperature retention. Warm-up time is reasonable, though slightly faster heating would make it even better, especially during busy mornings when I’m trying to get out the door. That said, it’s not slow enough to be a real drawback, and once it’s hot, it performs consistently. Overall, this is a strong performer that does exactly what it’s designed to do. It’s a great option for coffee lovers who want hotter drinks for longer, and for candle users who prefer a flame-free, cleaner alternative inside the home.
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Reviewed in the United States on February 22, 2026
E
Verified Purchase
E. A. Jacques
Grantham, US
★★★★★ 5
Best mug warmer I have tried
Color: Wood
I am retired and use my mug warmer pretty much all day. I normally start my day with a cup of coffee and then switch to tea the rest of the day. Even when I work on projects around the house or leave to run errands, there is a cup of something on the warmer. So there is basically a mug on the warmer from 7 am until midnight making a good quality mug warmer a necessity. I have tried two other mug warmers and with mixed results. The others I tried both turned on automatically activated by the weight of the mug which I did like. However, there we a few times when I left a mug on the warmer overnight so that design has it's flaws, and now that I have tried it, I prefer the four hour auto shut off feature of this model. I also like the three temperatures settings....a lot. The high temp setting (and it's hot) comes in real handy when you need to reheat a mug's contents after it shuts off when left unattended. I also use it when I make instant oatmeal in a ceramic bowl that has a thick bottom and it keeps the contents hot. Plus the middle and low end settings are nice so you can change the temperature of the contents to suit your mood. One design feature I have really come to appreciate is the no slip bottom. This mug warmer stays put and does not slide around on the table top. A real nice feature if you have furniture made from wood or other finish that might otherwise get scratched. The soft touch switch on this mug warmer blends in with the wood design of the model I have which does make it a bit harder to see, especially in low light settings. However, it is directly opposite the power cord so I have gotten use to locating it by feel and activating it by a swipe of one finger....it's pretty cool once you get used to it. Plus the indicator light is easy to see and know what setting the warmer is on. After having used this mug warmer for a while now I have really come to appreciate the quality and features this unit has for the price. The others I tried were as much as $10 more and not nearly as nice...and obviously did not last very long. One thing worth pointing out is the hot setting is very hot. If you have small toddlers in the house who use things to help them stand up and balance, this might not be the best model to choose. But that is the only real negative I can think of really. In my opinion, and this is all about that, this is a great mug warmer at any price point and I can recommend it without hesitation.
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Reviewed in the United States on May 14, 2024
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Verified Purchase
Abby
Lake Worth, US
★★★★★ 5
Worth more than $20 I paid!
Color: Black
I was very surprised with how expensive this felt and looked while still being affordable. It has several levels and kept my coffee hot. I love my coffee really hot and this kept it there for hours. Word of advice not all coffee cups will work it needs to be all ceramic or glass and cup handle will get hot.
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Reviewed in the United States on May 17, 2026
T
Verified Purchase
Timothy Mousseau
Lowell, US
★★★★★ 5
Neat gadget
Color: Gold
Neat little gadget. Works great, easy to use and has a light indicator for temperature range. Keeps a cup of liquid hot right to the bottom.
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Reviewed in the United States on May 29, 2026
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Verified Purchase
Ctg1363
Los Angeles, US
★★★★★ 5
My tea stays warm to the bottom of the cup!!!
I am so glad I purchased this mug water. I drink tea all day but it cools down quickly. Since I purchased this mug warmer my tea stays hot to the bottom of the cup. The temperature is adjustable so you can keep your drink at your desired temperature. The top is glass and wipes clean easily. I like the rubber gasket that fits on top of the warmer. It keeps your mug in the center of the warmer and should you have a spill it catches the liquid. I've been using it every day for over a month now and it's going strong and is reliable. Perfect for personal use or as a gift.
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Reviewed in the United States on May 2, 2026

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