What frequency bands does the LD Systems U308 R2 use?

The receiver operates in the UHF bands of 863-865MHz and 823-832MHz. These bands are commonly used for wireless audio due to their reliable transmission characteristics.

How many channels can be used simultaneously?

The U308 R2 features a 12-channel design. This allows users to select clear frequencies and run multiple wireless setups in tandem without interference.

How do you synchronise transmitters with the U308 R2?

The unit uses one-touch infrared (IR) synchronisation. This allows the receiver to send frequency data to the transmitter wirelessly for a quick and simple setup process.

What is the purpose of the pilot tone squelch?

The pilot tone squelch ensures that the audio output only activates when a matching signal from a compatible transmitter is received. This prevents loud bursts of static or interference when the transmitter is turned off.

Is the U308 R2 a single or dual receiver?

It is a dual wireless receiver. This means it can receive signals from two separate transmitters simultaneously, which is ideal for duets or presenters using two microphones.

What visual indicators are present on the front panel?

The front panel includes a bright LCD display for status monitoring. It also features specific LEDs to show signal strength and indicate which antenna is currently active.

Can I connect this receiver to different types of audio gear?

Yes, the receiver features switchable rear outputs. These allow for flexible connectivity to a diverse selection of equipment, including mixers and audio interfaces.

What modulation technology does the U308 R2 use?

The system utilises FM (Frequency Modulation) technology. This is a standard method for high-quality wireless audio transmission in the UHF spectrum.

What is the typical price for this unit?

The LD Systems U308 R2 is typically priced around £270. This makes it a mid-range option for those needing dual-channel wireless capabilities.

Who is the manufacturer of the U308 R2?

The device is manufactured by LD Systems. They are known for producing a wide range of professional audio equipment including wireless systems and monitoring solutions.

Does the receiver show which antenna is in use?

Yes, the unit features active antenna LEDs. These provide a clear visual indication of which antenna is currently picking up the strongest signal.

How does this compare to the Shure BLX24R/B58?

While both are rack-ready wireless systems, the U308 R2 is specifically a dual receiver unit. The BLX24R is often sold as a single-channel rackmount system, though both offer reliable UHF performance for live events.

Gear article

LD Systems U308 R2 Dual Wireless Receiver

The LD Systems U308 R2 is a dual-channel wireless receiver designed to operate in the 863-865MHz and 823-832MHz UHF frequency bands. Utilising FM technology and a 12-channel design, it provides a flexible solution for simultaneous wireless microphone or instrument configurations in a single rack-ready unit.

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Overview

The LD Systems U308 R2 serves as a central hub for dual-channel wireless operations, allowing two independent transmitters to communicate with a single receiver base. It is engineered to bridge the gap between entry-level consumer wireless and professional touring systems, focusing on ease of setup and reliable frequency management. The device operates across two specific UHF bands, providing versatility for users in different regions or environments where signal congestion may be an issue.

Frequency and Synchronisation

A primary feature of the U308 R2 is its one-touch infrared (IR) synchronisation. This allows the user to quickly pair transmitters to the receiver without manual frequency input. The system offers 12 selectable channels, which facilitates the use of multiple wireless units simultaneously. To ensure signal integrity, the receiver employs a squelch system governed by a pilot tone. This technology prevents the audio output from opening unless the specific pilot tone from the intended transmitter is detected, effectively eliminating unwanted noise and interference when the transmitter is switched off or out of range.

Interface and Connectivity

The front panel is equipped with a bright LCD display that provides clear visual feedback on system status. Dedicated LEDs indicate signal strength and show which antenna is currently active, assisting in optimal placement and troubleshooting. On the rear, the unit features switchable outputs, allowing it to interface with a wide range of audio equipment, from mixing consoles to instrument amplifiers. This adaptability makes it suitable for diverse signal paths in both live sound and fixed installation contexts.

Market Position and Comparison

In the landscape of wireless technology, the U308 R2 competes alongside systems like the Shure BLX24R and the Trantec S4.1. While professional-tier systems like the Shure SLXD+ offer more advanced networking and higher channel counts, the U308 R2 is positioned as a cost-effective dual-channel solution for users who require simultaneous reception in a compact format. It is often compared to the LD Systems MEI100G2 in-ear monitoring system as part of a complete stage ecosystem, providing a balance of 'freedom of flexibility' and ease of use.

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Frequently asked questions

What frequency bands does the LD Systems U308 R2 use?: The receiver operates in the UHF bands of 863-865MHz and 823-832MHz. These bands are commonly used for wireless audio due to their reliable transmission characteristics.
How many channels can be used simultaneously?: The U308 R2 features a 12-channel design. This allows users to select clear frequencies and run multiple wireless setups in tandem without interference.
How do you synchronise transmitters with the U308 R2?: The unit uses one-touch infrared (IR) synchronisation. This allows the receiver to send frequency data to the transmitter wirelessly for a quick and simple setup process.
What is the purpose of the pilot tone squelch?: The pilot tone squelch ensures that the audio output only activates when a matching signal from a compatible transmitter is received. This prevents loud bursts of static or interference when the transmitter is turned off.
Is the U308 R2 a single or dual receiver?: It is a dual wireless receiver. This means it can receive signals from two separate transmitters simultaneously, which is ideal for duets or presenters using two microphones.
What visual indicators are present on the front panel?: The front panel includes a bright LCD display for status monitoring. It also features specific LEDs to show signal strength and indicate which antenna is currently active.
Can I connect this receiver to different types of audio gear?: Yes, the receiver features switchable rear outputs. These allow for flexible connectivity to a diverse selection of equipment, including mixers and audio interfaces.
What modulation technology does the U308 R2 use?: The system utilises FM (Frequency Modulation) technology. This is a standard method for high-quality wireless audio transmission in the UHF spectrum.
What is the typical price for this unit?: The LD Systems U308 R2 is typically priced around £270. This makes it a mid-range option for those needing dual-channel wireless capabilities.
Who is the manufacturer of the U308 R2?: The device is manufactured by LD Systems. They are known for producing a wide range of professional audio equipment including wireless systems and monitoring solutions.
Does the receiver show which antenna is in use?: Yes, the unit features active antenna LEDs. These provide a clear visual indication of which antenna is currently picking up the strongest signal.
How does this compare to the Shure BLX24R/B58?: While both are rack-ready wireless systems, the U308 R2 is specifically a dual receiver unit. The BLX24R is often sold as a single-channel rackmount system, though both offer reliable UHF performance for live events.