SKU: 45840875914

LD Systems U304.7 IEM In-Ear Monitoring System (470-490 MHz)

Sale price$189.00 Regular price$210.00
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Description

LD Systems U304.7 IEM In-Ear Monitoring System (470-490 MHz)We have developed the wireless U300 in ear monitoring systems for unlimited freedom of movement on the stage with perfect in ear monitor sound at all times. Developed in Germany, their clear, modern design and straightforward operation make them the perfect choice not just for beginners. Their reliable range of up to 100 m and their low reaching frequency band of 50 Hz to 16 kHz ensure professional performance. U300 in ear sets are available for

We have developed the wireless U300 in-ear monitoring systems for unlimited freedom of movement on the stage with perfect in-ear monitor sound at all times. Developed in Germany, their clear, modern design and straightforward operation make them the perfect choice – not just for beginners. Their reliable range of up to 100 m and their low-reaching frequency band of 50 Hz to 16 kHz ensure professional performance. U300 in-ear sets are available for operation in 5 frequency bands: 584 MHz - 608 MHz, 655 MHz - 679 MHz, 823 MHz - 832 MHz+ 863 MHz - 865 MHz, 470 MHz - 490 MHz or 514 MHz - 542 MHz. Six systems can be used simultaneously in each case.

The U300 in-ear transmitters offer a choice of 12 transmission channels and an RF transmission power of 10 mW. They can also be operated in mono or stereo mode. Combo sockets serve as symmetrical XLR and asymmetrical 6.35 mm jack inputs. Left and right input levels can be controlled separately, while two LED chains indicate audio signal strength.

The U300 bodypack receiver has a mini jack socket to connect the earphones as well as displays for channel, stereo mode and low battery status. Running on two AA batteries, it has an operating time of 10 hours. A practical controller allows individual adjustment of the monitoring volume during performance. 19" rack assembly kit included.

General
Product type In-ear Monitoring
Type Set
Transmission frequency range 470 - 490 MHz
Weight 1,51 kg
LDU3047IEMR - LD Systems U304.7 IEM (USA version) Receiver (only available in the USA)
Product type In-ear Monitoring Accessories
Type Receivers
Transmission frequency range 470 - 490 MHz
Channels 12
Transmission method FM, mono/stereo
Frequency response 50 - 16.000
Total Harmonic Distortion (THD) 0.25 %
Audio output 3.5 mm TRS
Minimum connected impedance 16 Ohm(s)
Max. audio output level 73 (@ 33 Ohms load capacity) mW
Antenna connector Fixed to housing
Controls volume control
Indicators RF (LED)
Operating voltage 2 x 1.5 V AA
Operating time < 10 hours
Width 64 mm
Height 103 mm
Depth 24 mm
Weight 0,085 kg
Features incl. batteries
LDU3047IEMT - LD Systems U304.7 IEM (USA version) Transmitter - 470 - 490 MHz (only available in the USA)
Product type In-ear Monitoring Accessories
Type Transmitters
Transmission frequency range 470 - 490 MHz
Channels 12
Modes of operation mono/stereo
Transmission method FM, stereo
Frequency response 50 - 16.000
Rated HF output power 10 mW
Total Harmonic Distortion (THD) <0,5%
Signal-to-noise ratio 90 dB
Dynamic range 88 dB
Antenna connector BNC
Controls Power On/Off
Inputs 2
Input connectors XLR
Indicators multifunction LC display
Input impedance (kOhms) 8.5 kOhm
Operating voltage 12 - 18 V DC
Input sensitivity -4.5 dbu V
Width 212 mm
Height 43 mm
Depth 123 mm
Power consumption 1.7 W
Weight 0,66 kg
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: 45840875914

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Lake Worth, US
★★★★★ 5
Good buy
Color: Pink+purple
Kids love it. Still works great
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Reviewed in the United States on June 2, 2026
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Ashley C
Louisville, US
★★★★★ 4
Works great.
Color: Blue+red
I love how easy this children’s dental floss is. My child with ASD is able to use with little to no help. it’s been years trying to get my child with sensory sensitivities to floss or brush teeth without a HUGE STRUGGLE, however this is very gentle and something that makes our oral health care routine smoother. ( if you know, you know!!) It is very similar to the viral “ usmile” adult version water flossers. My only complaint/issue with this is that it collapse pretty easily and sometimes it’s hard to keep in the locked position while flossing teeth. Overall a good product, and recommend.?
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Reviewed in the United States on January 18, 2026
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Lindsey
Grantham, US
★★★★★ 5
Good for kids
Color: Blue+red
A little powerful for my 8 year old at first but after he got the hang of it, he loves using it.
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Reviewed in the United States on May 7, 2026
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Jennifer Faber
Bozeman, US
★★★★★ 5
Great for dental appliances
Color: Pink+purple
My daughter has a dental appliance that can get food caught in it. We were told to try a water flosser to get the trapped food out. This has done exactly that. Very happy with it.
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Reviewed in the United States on January 7, 2026
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Amazon Customer
Grantham, US
★★★★★ 5
Fun new way of flossing.
Color: Blue+red
My 7 year old loves it and it works really well. He’s excited about teeth brushing time again accompanied by water flosser and it can be used in the shower!
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Reviewed in the United States on March 19, 2026

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