NUX B-7PRO Wireless in-ear monitor system

The NUX B-7 PRO is an advanced wireless in-ear monitoring system , designed for musicians and performers who demand uncompromising audio quality and complete freedom of movement. With interference-free 2.4 GHz transmission , 24-bit/48 kHz high-resolution audio, and ultra-low latency , the B-7 PRO provides a clear and stable monitoring experience, without signal dropouts or delays.

Thanks to the USB audio interface, the system can be connected directly to a computer or mobile device, ideal for playing click tracks, backing tracks, and monitoring recordings. The bright color LCD display shows all essential information, while the adjustable transmission modes provide flexibility for various performance environments.

The innovative automatic charging system allows you to place the receiver directly on the transmitter for charging without any additional cables. This means the system is always ready to use, regardless of location.

Key Features

• High-quality audio – 24-bit / 48 kHz resolution for detailed and true-to-life monitoring
• USB audio interface – Direct connection to PC, Mac or smartphone for monitoring and recording
• Ultra-low latency – Only 7.3 ms in Low Latency Mode for real-time monitoring
• Automatic Charging System – Receiver is charged by placing it on the transmitter
• Reliable wireless connection – Operating distance up to 50 meters without signal loss
• Automatic pairing – Direct synchronization between transmitter and receiver
• LCD color display – Clear view of battery status, signal strength and settings
• Selectable transmission modes – Low Latency Mode for direct sound or Stable Mode for interference-prone environments

User-friendly and versatile design

• Up to 6 hours of battery life – Rechargeable lithium-ion battery for extended use
• Easy Charging – Receiver charges by placing it on the transmitter
• Personalization Options – Ability to add your own startup logo or animation
• Interference Management – ​​Optimal performance by maintaining a safe distance between the B-7 PRO and other wireless systems

Specifications

General

• Frequency band: 2.4 GHz (2400-2483.5 MHz)
• Transmission Technology: Frequency Hopping
• RF output power: 10mW EIRP max
• Audio resolution: 24-bit / 48 kHz
• Frequency response: 20Hz - 20kHz
• Latency:
• Low Latency Mode: 7.3 ms
• Default Mode: 10.85 ms
• Safe Mode: 14.33 ms

Connections and signal processing

• Unbalanced input impedance: 10 kΩ
• Balanced input impedance: 20 kΩ
• AUX input level: 2.1 Vrms (8.7 dBu) max
• Balanced input level: 9.8 Vrms (22 dBu) max
• Headphone output impedance: minimum 13 Ω
• Maximum headphone output power: 57 mW per channel (THD <0.1%, RLOAD = 16 Ω, 1 kHz)
• Channel separation: -105 dB
• Total Harmonic Distortion + Noise (THD+N): <0.01%
• Dynamic range: 110 dB (A-weighted)
• Output level adjustment: Mute -86 dB to +12 dB

Battery and power

• Transmitter battery: 3.7V / 3000mAh Li-polymer
• Receiver battery: 3.7V / 400mAh Li-polymer
• Maximum battery life: Up to 6 hours (both transmitter and receiver)
• Auto power off: After 10 minutes of inactivity or loss of connection
• Transmitter power supply: DC 9V, 1A min, negative tip adapter

Dimensions and weight

• Transmitter (TX): 140mm × 97mm × 53mm | Weight: 525g
• Receiver (RX): 47mm × 71mm × 22mm | Weight: 51g

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