Developed in Germany, the U300 series UHF university wireless systems offer outstanding audio performance. With an ideal range of 100 metres, they come in five frequency bands including 514 - 542 MHz. Up to six U300 systems can work simultaneously per band. One - touch infrared synchronization enables a fast and hassle - free wireless connection between the transmitter and receiver, and a squelch with pilot tone ensures smooth operation.
U300 transmitters have a 10 mW output and can run for 10 hours on two AA batteries. The handheld microphone has a frequency response from 55 Hz to 16 KHz. The bodypack, with a 25 Hz lower cut - off frequency, suits 5 - string bass guitars. Its input level can be adjusted for different guitars and basses. The power switch has a standby mode for quick muting.
The U300 receiver features a bright LCD channel display, an LED chain for signal strength, and both balanced XLR and unbalanced 6.35 mm audio outputs. You can switch the audio output to instrument level for direct connection to amplifiers.
Available in vocal and instrument sets, the U300 - series has a modern design. You can change the microphone characteristic using U500 - series replaceable heads.
Technical Specifications:
Product type: Wireless Microphone Systems
Type: Set
Transmission frequency range: 514 - 542 MHz
Weight: 0.94 kg
LDU3051R - LD Systems U305.1 HHD Receiver:
Product type: Wireless Microphone System Accessories
Type: Receivers
Modulation Type: FM
Channels: 12
Groups: 1
Antenna inputs: 2 x fixed
Frequency response: 25 - 16000 Hz
Noise reduction: Squelch
Transmission optimization: Pilot tone
Total Harmonic Distortion (THD): < 0.3 %
Signal - to - noise ratio: 104 dB
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
Audio mix output, balanced: XLR
Audio mix output, unbalanced: 6.3 mm jack
Max. output level: +10 dBu (Bal), +7 dBV (Unbal, Line), +2.5 dBV (Unbal, Instr) dBu
Headphones outputs: 6.3 mm TRS
Weight: 0.7 kg
Other features: IR frequency synchronisation
Width: 211 mm
Height: 43 mm
Depth: 120 mm
Accessories (included): Power supply
LDU3051MD - LD Systems U305.1 HHD Dynamic handheld microphone:
Type: Transmitters
Microphone type: condenser
Directivity: Cardioid
Frequency response: 55 - 16000 Hz
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

Using your LD Systems U305.1 HHD Wireless Microphone System is a breeze. First, make sure to insert two AA batteries into the handheld microphone if you're using it. For the receiver, connect it to an external power supply within the 12 - 18 V DC range.
To get the wireless connection going, use the one - touch infrared synchronization. Just point the transmitter at the receiver and press the sync button. It'll quickly establish a connection.
When adjusting the settings, you can control the volume on the receiver. You can also switch the audio output level depending on whether you're connecting to an amplifier or other audio devices.
For the bodypack, if you're using it with a guitar or bass, adjust the input level according to the type of instrument. You can choose from three levels.
Some important things to note. Keep the system away from strong sources of interference like large electrical appliances. Also, when not in use for a long time, remove the batteries from the transmitter to prevent damage.
To maintain your system, clean the microphone and receiver regularly with a soft, dry cloth. If the microphone head gets dirty, you can replace it using a U500 - series replaceable head. This will help keep the audio quality top - notch.