NUX B-3RC

Q: Is the NUX B-3RC Wireless Microphone System - 2.4GHz suitable for live performance use?

Yes, the B-3RC features a 100-foot range, latency below 4.8ms, and automatic pairing, making it suitable for stage and event use.

Q: What is the biggest difference between the B-3RC and a traditional wired microphone?

It allows free movement and eliminates long cable runs; the trade-off is that you need to pay attention to charging and wireless environment conditions.

Q: Is the B-3RC suitable for beginners or event hosts?

Yes, automatic pairing and automatic channel selection make operation simpler, so it is easy to use right out of the box.

Q: How long can the B-3RC be used on a single charge?

Up to about 3.5 hours, enough for most rehearsals, ceremonies, and short to medium live performances.

Q: Is the B-3RC worth buying?

Yes, if you want an entry-level stage wireless system that includes a microphone, offers low latency, and can be deployed quickly, the B-3RC is very practical.

NUX B-3RC

• NUX B-3RC | 2.4GHz Digital Wireless Microphone System Set, includes dynamic microphone and charging case
• A complete stage-ready wireless microphone system for more freedom in performances, hosting, and event sound capture.

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NUX B-3RC | 2.4GHz Digital Wireless Microphone System Set, Includes Dynamic Microphone and Charging Storage Case

A complete stage-ready wireless microphone system that gives you more freedom for performances, hosting, and event audio capture

The NUX B-3RC is a wireless microphone system from NUX that uses 2.4GHz digital transmission technology. It features 24-bit/44.1kHz audio specs, <4.8ms low latency, and a line-of-sight transmission range of up to approximately 100 feet. It comes directly with an XLR transmitter, XLR receiver, and NDM-4 dynamic microphone, forming a complete configuration ready for immediate stage use.

Compared with a traditional handheld wired microphone setup, the NUX B-3RC greatly reduces cabling, pairing, and on-site setup time through automatic pairing, automatic channel selection, and a portable charging storage case. Compared with other entry-level stage wireless microphones in the same class, the B-3RC stands out with its ready-to-use full set, included microphone, low-latency wireless transmission, and dual-unit simultaneous charging design, making it especially suitable for performances and events that require fast deployment.

Quick Facts Product Overview

Brand: NUX
Model: B-3RC
Wireless: 2.4GHz digital wireless transmission
Bit Depth: 24-bit
Sample Rate: 44.1kHz
Battery Life: Up to approximately 3.5 hours
Applications: Live performances, wedding hosting, church sound reinforcement, event MC, rehearsal room vocal capture

Who should buy the NUX B-3RC?

User Recommendation Analysis (Click to expand)

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Who Should Buy

Performers who need to move around while hosting at weddings, events, or small stages, and want to get rid of XLR cable restrictions while completing setup quickly
Church, school, or club audio operators who want to improve vocal capture mobility and on-site neatness with a simple and stable wireless solution
Singers or hosts with prior experience using dynamic microphones who want to upgrade their live performance freedom with a low-latency digital wireless system

Who Should NOT Buy

Users performing for extended all-day sessions, with each event lasting several hours and no convenient opportunity to recharge, may need a system with longer battery life
Professional touring teams that already have a complete high-end UHF wireless system and require multi-channel management, as this product is positioned more toward simple deployment

Core technologies and features of the NUX B-3RC

2.4GHz digital wireless transmission: Operates in the 2.4GHz band, eliminating the limitations of traditional wired connections and making it suitable for stage movement, mobile hosting, and event performances.
24-bit/44.1kHz audio specs: Provides clear detail and sufficient dynamic performance to faithfully transmit vocal signals while balancing stage practicality and audio capture quality.
<4.8ms low-latency performance: In live singing, spoken hosting, and real-time monitoring applications, it effectively reduces the discomfort of audio and movement being out of sync.
Up to approximately 100 feet transmission distance: Provides enough operating range under line-of-sight conditions, making it highly practical for general stages, rehearsal spaces, and event venues.
Automatic pairing: The transmitter and receiver can connect quickly, reducing manual setup steps and making it easier even for first-time users.
Automatic channel selection: The system can automatically choose a more suitable channel from 6 available channels for the current environment, reducing on-site setup pressure.
XLR transmitter and XLR receiver design: Can be directly integrated with common dynamic microphones and the XLR terminal structure of mixers, powered speakers, or PA equipment.
Includes NDM-4 dynamic microphone: This SKU is a complete stage-ready package, so you can start using it without preparing a basic vocal microphone separately.
Simultaneous charging via charging storage case: The included USB-C charging storage case can charge both the transmitter and receiver at the same time, combining protection, portability, and charging efficiency.
Up to approximately 3.5 hours of battery life: A single charge can handle general rehearsals, short to medium performances, or ceremony events, making it suitable for highly mobile workflows.

2.4GHz digital wireless transmission architecture

Uses the 2.4GHz operating band, eliminating the problems of cable routing, cable collection, and restricted movement associated with traditional wired microphones on stage.
Combines 24-bit/44.1kHz transmission quality with latency below 4.8ms, balancing speech clarity, real-time singing response, and stable on-site operation.

Automatic pairing and automatic channel selection

The transmitter and receiver can pair automatically, reducing the time required for on-site setup and making it especially convenient for event hosts, wedding production control, and mobile performances.
The system automatically selects a suitable channel from 6 channels, so users do not need to repeatedly scan frequencies manually or configure complex parameters.

Stage-oriented XLR wireless configuration

The XLR transmitter can connect directly to a microphone, and the XLR receiver can connect directly to a mixer or PA equipment, making the overall signal chain intuitive and easy to integrate.
For venues with existing sound systems based on XLR layouts, the B-3RC can be quickly integrated into current equipment without major changes to the original setup.

Complete ready-to-use package including NDM-4 dynamic microphone

This set directly includes the NDM-4 dynamic microphone, making it more convenient for first-time wireless microphone system buyers and allowing a complete vocal capture solution right out of the box.
The characteristics of a dynamic microphone are suitable for stage vocals, hosting, and general live sound reinforcement, covering most common event needs.

Charging storage case and mobile charging workflow

The included USB-C charging storage case can charge both the transmitter and receiver simultaneously, improving overall portability and on-site charging efficiency.
A single charge provides up to approximately 3.5 hours of use, suitable for rehearsals, short performances, ceremony events, and small to medium hosting work.

Standard accessories in the box (What's in the Box)

1 x NDM-4 Dynamic Microphone
1 x XLR Transmitter
1 x XLR Receiver
1 x Charging Storage Case
1 x Mic Clip
1 x Mic Pouch
1 x USB-C Charging Cable

Technical Specifications (Tech Specs)

Brand	NUX
Model	B-3RC
Product Type	2.4GHz digital wireless microphone system
Wireless	2.4GHz
Bit Depth	24-bit
Sample Rate	44.1kHz
Latency	<4.8ms
Number of Channels	6
Transmission Distance	Up to approximately 100 feet (line of sight)
Power Source	Built-in rechargeable lithium battery
Battery Life	Up to approximately 3.5 hours
Connector	XLR, USB-C
Automatic Functions	Automatic pairing, automatic channel selection
Microphone Type	Dynamic
In the Box	NDM-4 Dynamic Microphone, XLR Transmitter, XLR Receiver, Charging Storage Case, Mic Clip, Mic Pouch, USB-C Charging Cable

NUX B-3RC Pros and Cons

優缺點分析(點此展開)

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優點

The complete set includes microphone, transmitter, receiver, and charging storage case, ready for stage and event use right out of the box
24-bit/44.1kHz transmission with <4.8ms low latency balances vocal clarity and real-time performance response
Automatic pairing and automatic channel selection lower the learning curve, making it very friendly for beginners and fast on-site deployment
The XLR structure is easy to integrate with existing mixers, PA systems, and stage sound systems

注意事項

Battery life is up to approximately 3.5 hours, so for long events it is recommended to plan charging and rotation in advance
The 100-foot transmission distance is based on line-of-sight conditions; actual performance will be affected by venue obstructions and the wireless environment
It uses the 2.4GHz band, so if the venue has a high density of Wi‑Fi devices, on-site testing is recommended first

NUX B-3RC FAQ

Q：Is the NUX B-3RC Wireless Microphone System - 2.4GHz suitable for live performance use?

▼

A：Yes, the B-3RC features a 100-foot range, latency below 4.8ms, and automatic pairing, making it suitable for stage and event use.

Q：What is the biggest difference between the B-3RC and a traditional wired microphone?

▼

A：It allows free movement and eliminates long cable runs; the trade-off is that you need to pay attention to charging and wireless environment conditions.

Q：Is the B-3RC suitable for beginners or event hosts?

▼

A：Yes, automatic pairing and automatic channel selection make operation simpler, so it is easy to use right out of the box.

Q：How long can the B-3RC be used on a single charge?

▼

A：Up to about 3.5 hours, enough for most rehearsals, ceremonies, and short to medium live performances.

Q：Is the B-3RC worth buying?

▼

A：Yes, if you want an entry-level stage wireless system that includes a microphone, offers low latency, and can be deployed quickly, the B-3RC is very practical.

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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