NUX B-7 Pro In-Ear Monitoring System

The NUX B-7 Pro is a professional wireless in-ear monitoring system, designed for musicians, performers, and audio professionals seeking high-quality, reliable monitoring. Operating in the 2.4GHz band, the B-7 Pro ensures a fully digital signal path for pristine stereo audio with minimal latency, offering a stable range of up to 50m. This system is ideal for live performances, studio sessions, and other demanding environments where clear, uninterrupted audio is crucial.

The system includes both a transmitter (TX) and receiver (RX), both of which are rechargeable, with up to 6 hours of operation per charge. The TX can be powered directly from the included 9Vdc power adaptor or via USB-C, and it can also double as a USB audio interface for recording to a PC or Mac. The receiver is clip-mountable to clothing or a guitar strap, offering flexible positioning. Both units feature a full-colour display that provides real-time signal and battery status, and it also functions as a settings menu for adjusting transmission preferences and signal levels.

The B-7 Pro is equipped with both balanced left and right signal inputs, as well as a stereo aux input and wired headphones output, making it versatile for various audio setups. For added convenience, the transmitter includes a screw adaptor for mounting to action camera clamps, making it easy to position on a stand or fixture. The system offers three latency settings for different performance needs, ensuring an optimal balance between latency and stability.

This wireless in-ear monitoring system is a game-changer for live performers, ensuring they receive a reliable, high-quality audio feed with minimal interference.

Key Features:

• Up to 50m range with minimal latency, operating in the 2.4GHz band.
• Rechargeable TX and RX units for up to 6 hours of operation per charge.
• USB-C charging for both units and USB audio interface functionality.
• Full colour display for real-time signal and battery status, plus adjustable settings.
• Balanced left & right signal inputs, stereo aux input, and wired headphones output.
• Flexible mounting options, including clip and screw adaptor for action camera clamps.
• Three latency settings for adjusting performance to suit different environments.
• Automatic pairing for easy setup.

Power supply: 9Vdc 1200mA (adaptor supplied)

Batteries: Li-polymer 3.7V 3000mAh (TX), 400mAh (Rx)

Connections: Transmitter: L+R XLR/jack, Aux 3.5mm, Phones 3.5mm, USB-C (data), DC jack

Connections: beltpack receiver: Headphones out 3.5mm (13ohm min.), USB-C (charge)

Carrier frequencies: 2400-2483.5MHz (frequency hopping)

RF output power: 10mW E.I.R.P max.

Range: 50m max.

Sampling format: 24-bit, 48kHz

Frequency response: 20Hz - 20kHz

Latency: 7.33 - 10.85 - 14.33ms (fast-default-safe modes)

Input impedance: 20k Ohm balanced, 10k Ohm unbalanced

Input level: 9.8Vrms (22dBu) max.

Auxiliary input: 2.1Vrms (8.7dBu) max.

Headphone : impedance: 13 Ohms min.

Headphone output: 57mW max. per channel (THD >1%, 16 Ohm, 1kHz)

Channel separation: -105dB

THD: <0.01% typical

Dynamic range: 110dB (A-weighted)

Output level: -86dB to +12dB (adjustable + mute)

Auto power off: 10min with no connection

Dimensions : transmitter: 140 x 97 x 53mm

Weight : transmitter: 525g

Dimensions : receiver: 47 x 71 x 22mm

Weight : receiver: 51g

Digital Downloads (buying software)

All software marked as "serial download" or "digital download" will be delivered via email within normal office hours.

Simply add the software to the basket and at the delivery stage in the checkout please select "Digital Download - Software by email" as your delivery method

Delivery Charges (Main Products)

The cutoff for same-day dispatch is 3:30pm but can vary at busier times such as Christmas.

All orders over £99.00 will be delivered free via our standard delivery 2-3 days (UK Mainland)

If you need your item faster we also offer a Priority Tracked service at £3.99 (1-2 days) or Next Day Tracked £6.99

(please ensure you add a mobile number to your order for tracking)

Saturday delivery is available when ordered before 2pm (Mon-Fri)

All orders below £99.00 will start as low as £2.99 depending upon weight and qty(s) (UK Mainland) 

All Delivery options will be available at the delivery stage in the checkout

EU Delivery Times

Non UK Mainland Addresses please allow 1-3 Days
Delivery To Belgium / France / Germany please allow 3-4 Days
Music PC Systems - Please allow 5-7 Working Days build time (UK) 7-14 (Rest of the World)

French - Pour la Livraison s'il vous plaît permet en France 2-4 Jours
German - Für Lieferung Nach Deutschland erlaubt bitte 2-4 Tage

Delivery Notes
On delivery, you must inspect the goods carefully for damage as Inta Audio is unable to accept responsibility for damage in transit, shortage of delivery or loss of products unless the customer advises Inta Audio of such within three working days from the date of delivery.

Returns Policy

We ask that you follow these guidelines to help us process your return as quickly and efficiently as possible:

1. Please keep your order reference to hand. This confirms your original order and gives us the necessary details to authorise the product’s return.

2. Contact our Customer Services Team on 02476 369898 (or e-mail cs@inta-audio.com). We will then send you an RMA number and returns form which needs to be completed and sent back with the returned item(s).

3. (If the order has been unpacked) re-package it to ensure that it is being returned in its original condition. Please make sure all items relating to the product are returned, including manuals and cables.

4. When returning an item please obtain a ‘proof of postage’ receipt from the Courier.


Returned items must be mailed within 10 days of when the RMA Number has been issued. Items received with a post date 30 days after your requested return will NOT be eligible for refund.

Please note: Our returns policy is quite straightforward but there are a number of conditions that we ask our customers to comply with before applying:

1. It is your responsibility to request a return. If you don’t tell us you want to make a return, we don’t know. Once you do tell us, we will do everything we can to action it.

2. If you have not requested a return within 28 days of receiving an order, we will have assumed that you are intending to keep it and we will not authorise a return.

3. We always refund the payment according to how the original purchase was made and aim to do so within 72hrs of the return being received by us.

4. Returned goods are liable for a restocking fee of 15% towards handling and repackaging if the order is not returned in its original, unopened packaging. This charge will be subject to our inspection of the returned goods.

5. Delivery charges will not be refunded unless the delivered goods are faulty.

6. Replacement products are dispatched immediately after the returned goods have been received and accepted by Inta Audio.

7. Items that develop a fault within 30 days of delivery are eligible for a replacement or a refund. Delivery costs are also reimbursed for faulty items. Please contact our Customer Services Team on 02476 369898 if you believe your item has developed a fault.

Finally, please remember that notifying us of your intention to apply for a return, saving the delivery paperwork and keeping the order in its original packaging will help both you and Inta Audio to process the return quickly.

If you have any questions about our Returns policy please telephone us on 02476 369898 or email us at cs@inta-audio.com.