Xvive U4R2 Wireless IEM System

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Xvive U4R2 | 2.4GHz Wireless In-Ear Monitoring System, Single Transmitter Dual Receiver Set

A wireless in-ear monitoring system built for two-person stage performances and rehearsals

Xvive U4R2 Wireless IEM System is a wireless in-ear monitoring system from Xvive that uses 2.4GHz wireless transmission technology. It features less than 5ms latency, an operating range of over 90 feet, and about 5 hours of battery life, with a single-transmitter dual-receiver configuration to meet the needs of two users monitoring the same mix simultaneously.

Compared with traditional wired headphone monitoring, the Xvive U4R2 uses a lightweight transmitter and two beltpack receivers to provide greater freedom of movement on stage. Compared with other entry-level monitoring systems in its class, the main advantages of the U4R2 wireless in-ear monitoring system are fast deployment, an intuitive mono monitoring architecture, and the practical efficiency of one system serving two performers at the same time.

Quick Facts 產品速覽

品牌：Xvive
型號：U4R2 Wireless IEM System
無線：2.4 GHz
聲道支援：Mono
操作距離：Over 90 feet (clear line of sight)
電池續航：About 5 hours
適用場景：Two-person stage performances, band rehearsals, church worship, hosting presentations, personal monitoring

Who is the Xvive U4R2 for?

User Recommendation Analysis (Click to expand)

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Who Should Buy

Dual vocalists or two musicians who need to share the same monitor signal and want to quickly set up a two-person wireless monitoring workflow with one system
Church worship teams or event performance crews who want to reduce cabling complexity and give two performers stable personal monitoring at the same time
Rehearsal room users who need a portable dual-receiver solution that can be fed directly from a mixer and assigned to two members

Who Should NOT Buy

Professional touring teams that already need multi-person stereo monitor mixes, advanced channel routing, and large-scale RF management
Entry-level users who only plan to monitor a single user and want to keep the budget as low as possible

Xvive U4R2 Core Technology and Features

2.4GHz wireless monitoring architecture: Operates in the 2.4GHz band for fast deployment, making it suitable for small performances, rehearsals, and mobile monitoring applications while eliminating the movement limits of traditional wired monitoring.
Low-latency real-time feedback: System latency is under 5ms, effectively reducing the sense of delay during playing and singing for more natural rhythm, articulation, and performance response.
Operating range of over 90 feet: Provides wireless transmission over 90 feet in clear line-of-sight conditions, enough for most small stages, church platforms, and rehearsal spaces.
Mono monitoring design: Uses a mono monitoring architecture, making it easier for users to get a simple, clear, and practical personal monitor signal from the mixer.
XLR transmitter input: The transmitter is equipped with an XLR input and can be directly connected to mixer outputs, stage sends, or other line-level signal sources for flexible integration.
Dual receiver configuration: This set uses a single-transmitter dual-receiver design, where one transmitter can feed two receivers at the same time, making it especially suitable for two people sharing the same monitor content.
Intuitive beltpack receiver operation: The receiver is compact and suitable for clipping to a belt or clothing. With a large volume knob, it allows quick blind adjustments during performance.
Rechargeable lithium-ion battery: Both the transmitter and receivers are powered by rechargeable lithium-ion batteries, providing about 5 hours of continuous use per charge, enough for typical performances and rehearsals.
Fast setup and high portability: Compared with traditional large IEM systems, the U4R2 is lighter, requires less cabling, and is easier to use for mobile performers and small-to-medium ensembles.

2.4GHz Wireless Transmission System

Uses a 2.4GHz digital wireless transmission architecture, eliminating complex frequency planning and allowing you to get into rehearsal or performance quickly.
Suitable for small and medium stages, churches, hosting events, and rehearsal spaces, balancing deployment efficiency with practical freedom of movement.

Low-Latency Mono Monitoring Workflow

System latency under 5ms helps maintain real-time playing and singing response, reducing discomfort caused by monitoring delay.
The mono monitoring design simplifies mixer send setup and is especially practical for teams that need to quickly build a personal monitoring setup.

Single-Transmitter Dual-Receiver Two-Person Monitoring Setup

One transmitter paired with two receivers allows two performers to receive the same monitor content simultaneously, improving team efficiency.
Compared with the single-transmitter single-receiver version, the U4R2 is better suited to dual vocalists, two musicians, or rehearsal and performance scenarios where monitor signals need to be shared.

Transmitter and Receiver Operation Design

The transmitter uses an XLR connection, making it easy to integrate with mixers, stage sends, or other professional audio outputs.
The beltpack receiver features intuitive volume control, allowing quick adjustment of headphone monitor level during performance for a more stage-friendly workflow.

What's in the Box

1 x U4 Transmitter
2 x U4 Receiver

Tech Specs

Brand	Xvive
Model	U4R2 Wireless IEM System
Wireless	2.4 GHz
Channel Support	Mono
Latency	Less than 5 ms
Operating Range	Over 90 feet (clear line of sight)
Battery Life	About 5 hours
Connector	XLR
Configuration	1 transmitter + 2 receivers

Xvive U4R2 Wireless Pros and Cons

Pros & Notes (Click to expand)

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Pros

2.4GHz wireless architecture deploys quickly, suitable for rehearsals, churches, and small-to-medium stages
Less than 5ms latency provides a more natural real-time monitoring experience
Single-transmitter dual-receiver configuration supports two users monitoring simultaneously with one system
Operating range of over 90 feet is enough for most common performance spaces
Receivers are compact and include volume control for intuitive on-site operation

Notes to Know

Uses a mono monitoring architecture, not a stereo personal monitoring system
Battery life is about 5 hours; a full charge is recommended before long events
Two receivers share the same transmitter signal and cannot independently receive different mixes

Xvive U4R2 Wireless FAQ

Q：Who is the Xvive U4R2 Wireless IEM System suitable for?

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A：It is suitable for dual vocalists, two musicians, hosting partners, and worship teams to share the same monitoring setup.

Q：Is the U4R2 stereo or mono?

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A：It is mono, which simplifies the monitor send workflow and is especially suitable for quickly building a personal monitoring setup.

Q：What is the difference between the U4R2 and U4?

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A：There is a difference: the U4R2 includes one additional receiver, allowing two users to receive the same monitor signal at the same time.

Q：Is the U4R2's operating range and battery life enough for live performance?

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A：Yes. With a range of over 90 feet and about 5 hours of battery life, it is sufficient for most small performances and rehearsals.

Q：Is the U4R2 worth considering as a first dual-person wireless in-ear monitoring system?

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A：Yes. If you need a simple, portable, low-latency dual-person monitoring solution, the U4R2 is easy to get started with.

THINK2 Warranty & Support

Service Highlights

Fast Shipping: In-stock items will be shipped within 24 business hours.
Professional Technical Support: Our certified audio engineers provide consultation for installation, licensing, compatibility, and setup.
Comprehensive Warranty & After-Sales Service: Includes both manufacturer warranty and THINK2 customer support.

※ Shipping times are calculated based on business days. Actual warranty follows the manufacturer’s policy. THINK2 provides integration and support assistance.

Warranty & Return Policy

With valid proof of purchase and product serial number, customers are entitled to manufacturer warranty and THINK2 after-sales service.
DOA / Non-human defects: Within 7 days of purchase, after verification, customers may request return or replacement.
Exclusions: Damages from misuse, unauthorized modification, consumable parts, natural disasters, or improper use beyond instructions.
Application Process: Contact customer service during business hours for return instructions.
Service Coverage: Taiwan region primarily; overseas based on logistics standards.

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