XVive U4R - Wireless Receiver for U4 In-Ear System

XVIVE U4R – Wireless Receiver for U4 In-Ear System

The XVIVE U4R is the beltpack receiver designed for the U4 wireless system, delivering uncompressed 24-bit/48 kHz digital audio with sub-5 ms latency, allowing you to connect your favorite in-ear headphones or earphones wirelessly. It operates on the 2.4 GHz True Diversity band with 6 automatic channels and offers a dynamic range of 107 dB, faithfully covering 20 Hz–20 kHz with no perceptible noise. Its internal Li-ion battery provides up to 5 hours of battery life per USB-C (5 V) charge, and its ABS and metal composite chassis with wide-angle volume control and belt clip ensure comfort and reliability in live and studio situations.

Main features

• Wireless 2.4 GHz True Diversity: 6 selectable channels, range up to 27.5 m (90 ft).
• 24-bit/48kHz HD Audio: 20Hz–20kHz (–3dB) response, THD 0.2%.
• Signal-to-noise ratio: 107 dB DNR for crystal clear signal.
• Ultra-low latency: 5 ms imperceptible.
• Rechargeable battery: Li-ion 3.7V/1200mAh, up to 5h; USB-C recharges in 1.5–2.5h.
• Output: 3.5mm stereo minijack for IEM, adjustable level with large knob.
• Construction: ABS and metal housing, integrated belt clip.
• Dimensions: 47 × 41 × 60 mm; weight 118 g.

User benefits

• Complete freedom of movement without cables, ideal for touring and live performances.
• Studio-quality uncompressed audio with wide dynamic range.
• Precise volume control and enough battery life for full shows.
• Plug-and-play installation: power on and use, no complex configuration required.

Use cases

• Personal monitoring on stages and at festivals with multiple receivers.
• Studio recordings and mixing without ground noise or interference.
• Presentations and conferences with direct audio to headphones.
• Streaming and audiovisual production with synchronized monitoring.

Frequently Asked Questions

• How many receivers can I use with one U4T?
  Up to 6 receivers on different channels or sharing the same mono mix.
• Can I play music while charging?
  Yes, the U4R works connected to USB-C without interrupting the signal.
• What type of IEMs are supported?
  Any 3.5mm headset, including Xvive T9s.
• How do I maximize range?
  Use line of sight and minimize metal obstacles to reach 27.5 m.

Description for projects

U4R 2.4 GHz True Diversity beltpack receiver, 6 channels, 24 bit/48 kHz audio, 20 Hz–20 kHz, 5 ms latency, DNR 107 dB, range 27.5 m, 3.5 mm output, 5 h battery, USB-C, ABS+metal, 47×41×60 mm, 118 g.