LD Systems U508 IEM HP

Experience unrestricted movement on stage while enjoying a perfectly balanced monitor mix delivered directly to your ears. The outstanding performance and reliability of the LD Systems U500 in-ear monitoring system are designed to exceed professional expectations. Built with demanding users in mind, it combines modern design, advanced technology and intuitive operation.

The U500 in-ear system offers 96 selectable channels and RF output power options of 2, 10 or 30 mW, achieving a transmission range of more than 100 m under optimal conditions. Fast and reliable setup is ensured through convenient infrared synchronization between transmitter and receiver. High-contrast OLED displays provide excellent readability, while allowing individual user name assignment and storage of up to 10 custom presets.

For superior audio clarity, the U500 system features a 3-band EQ with parametric mid-range control, a switchable limiter and a squelch circuit. Users can choose between stereo or mono operation, and the transmitter includes a direct monitoring headphone output. With a signal-to-noise ratio exceeding 95 dB and total harmonic distortion below 0.3%, the system delivers an exceptionally clean and low-noise audio signal.

The lightweight bodypack receiver is engineered for efficiency, offering up to 10 hours of operation on two AA batteries. Performance monitoring is made easy with a dedicated volume control, while three selectable squelch levels help maintain stable, interference-resistant operation in various environments.

General

Scope of delivery

• 1 × Transmitter

• 1 × Receiver

• 1 × In-Ear Headphone

Material

• ABS, steel sheet

Wireless frequencies

• 823 – 832 MHz

• 863 – 865 MHz

Frequency response (-6 dB, relative average)

• 40 – 16,000 Hz

Colour

• Black

Weight

• 755 g

Receiver – Specifications

• Material: ABS

• Wireless frequencies: 823 – 832 MHz / 863 – 865 MHz

• Frequency response: 40 – 16,000 Hz

• Colour: Black

• Accent colour: Silver

• Channel groups: 8

• Channels: 96 (8 groups × 12 channels)

• Antenna: 1 (fixed)

• Headphone output connector: 3.5 mm jack TRS female

• Minimum headphone impedance: 16

• Maximum headphone output power: 80 mW

• Battery type: 2 × 1.5 V AA/LR6

• Built-in battery tester: Yes

Dimensions

• Width: 64 mm

• Height: 100 mm

• Depth: 24 mm

• Weight: 95 g

Transmitter – Specifications

• Material: Steel sheet

• Coating: Powder coated

• Wireless frequencies: 823 – 832 MHz / 863 – 865 MHz

• Frequency response: 40 – 16,000 Hz

• Colour: Black

• Channels: 12

• Transmitting power: 2 mW / 10 mW / 30 mW

• Antenna connector: BNC female

• Antenna type: BNC female

• Line inputs: 2

• Line-in connector type: XLR combo socket

• Input impedance: 12 k

• Signal-to-noise ratio (minimum): 93 dB

• Total harmonic distortion + noise (max, 1 kHz, +4 dBu, unity): 0.3 %

• Operating voltage: 12 – 18 V DC (external power supply)

Dimensions

• Width: 212 mm

• Height: 43 mm

• Depth: 123 mm

• Rack width: 9.5

• Rack height: 1 U

• Weight: 641 g

Included accessories

• Rack mounting kit

• BNC antenna

In-Ear Headphones – Specifications

• Nominal impedance: 32

• Input connector: 3.5 mm angled TRS jack

• Cable length: 1.55 m

• Material: ABS, foam, silicone

• Frequency response: 20 – 18,000 Hz

• Colour: Black

• Weight: 22 g