LD Systems U505.1 IEM HP | In Ear Monitor System with Earphones

U505.1 IEM HP

In-Ear Monitoring System with Earphones - 514 - 542 MHz
Item No.: LDU5051IEMHP

Reliable in-ear monitoring with more than 100 m range
96 available channels
2, 10 or 30 mW ERP selectable transmission power
Convenient infrared frequency syncing
Individual user name assignment and memory for 10 custom presets
Extended frequency response
3-band EQ with parametric mids
Switchable limiter
Stereo, focus and mono modes of operation
High-contrast OLED display
Transmitter with direct monitoring headphone output
Bodypack receiver with three selectable squelch levels
10 h of bodypack receiver operation on two AA batteries
Simultaneous operation of up to 12 systems
U500 IEM transmitter compatible with U300® IEM bodypacks

Move freely on stage while the perfect monitor mix is delivered directly to your ears: the amazing performance and reliability of the U500® In-Ear Monitoring Systems will surpass your expectations for certain. Designed with the pro user in mind, they feature advanced technology, contemporary looks and straightforward operation.

U500® In-Ear Systems provide a selection of 96 channels and 2, 10 or 30 mW RF output power for a transmission range greater than 100 m. For quick and trouble-free setup, they allow for convenient infrared synchronisation of transmitter and receiver. U500® In-Ears sport high-contrast OLED displays and allow for individual user name assignment. In addition, you can save 10 custom presets.

To deliver pristine, precise audio U500® In-Ear Monitoring Systems include a 3-band EQ with parametric mids, a switchable limiter and a squelch circuit. They offer a choice of stereo or mono operation and a direct monitoring headphone output at the transmitter. They offer a choice of stereo or mono operation and a direct monitoring headphone output at the transmitter. With a signal-to-noise ratio greater than 95 dB and less than 0,3% THD, the U500® In-Ear's noise floor is exceptionally low.

Drawing little current only, the U500® Bodypack Receiver operates up to 10 hours on two AA batteries. A volume control allows convenient in-performance monitoring level adjustment. Three selectable squelch levels ensure optimum performance at all times.

U500® In-Ear Monitoring Systems are available for operation in five frequency ranges. The 470 - 490 MHz, 514 - 542 MHz, 584 - 608 MHz and 655 - 679 MHz bands permit running up to 12 systems simultaneously. In the 823 - 832 MHz + 863 - 865 MHz range six systems can be operated at the same time providing wireless monitoring for your entire band.

Product type 19" rack mains socket strips
Type Set
Weight 0,755 kg


LDIEHP2 - LD Systems U505.1 IEM HP Professional In-Ear Headphones
Product type Headphones
Type Stereo-In-Ear Headphones
Converter principle Dynamic
Impedance 32 Ohm(s)
Connection type 3.5 mm TRS
Frequency response 20 - 18000 Hz
Cable length 1.55 m
Weight 0,022 kg
Accessories (included) Transport case


LDU5051IEMT - LD Systems U505.1 IEM HP Transmitter
Product type In-ear Monitoring Accessories
Type Transmitters
Modes of operation mono/stereo
Rated HF output power 30 mW
Signal-to-noise ratio 93 dB
Total Harmonic Distortion (THD) 0.3 %
Dynamic range 88 dB
Inputs 2
Input connectors XLR (balanced)
Input impedance (kOhms) 12 kOhm
Antenna connector BNC
Controls volume headphones
Operating voltage 12 - 18 V DC
Width 212 mm
Height 43 mm
Depth 123 mm
Weight 0,641 kg
Accessories (included) power adapter


LDU5051IEMR - LD Systems U505.1 IEM HP Receiver
Type Receivers
Transmission frequency range 514 - 542 MHz
Channels 12
Transmission method FM, mono/stereo
Frequency response 40 - 16000 Hz
Audio output 3.5 mm TRS
Minimum connected impedance 16 Ohm(s)
Max. audio output level 80 mW @ 33 Ohm mW
Indicators RF (LED)
Operating time < 10 hours
Antenna connector Fixed to housing
Controls volume
Operating voltage 2 x 1.5 V AA
Width 64 mm
Features battery status LED
Height 100 mm
Depth 24 mm
Weight 0,095 kg
Accessories (included) Antenna