NuX B-7 Pro 2.4GHz Pro-level Wireless In-Ear Monitor System

The NuX B-7 Pro is a professional-grade, compact wireless in-ear monitor system designed for musicians who need reliable, high-fidelity monitoring without the complexity or cost of traditional IEM setups. Operating on a stable 2.4GHz wireless platform, the B-7 Pro delivers clear, low-latency audio with excellent range and simple plug-and-play operation.

With its lightweight transmitter and receiver, rechargeable internal batteries, and straightforward layout, the B-7 Pro is ideal for guitarists, bassists, keyboardists, drummers, and live performers who want consistent personal monitoring in rehearsals, on stage, or in worship settings. The included belt clip receiver makes it easy to use with any wired in-ear monitors.

Key Features

• 2.4GHz wireless operation for stable, interference-resistant monitoring
• High-quality 24-bit audio for clean and accurate reproduction
• Low-latency performance suitable for live use
• Wide operating range for stage mobility
• Rechargeable internal batteries with strong runtime
• Compact and lightweight transmitter and receiver
• Plug-and-play design—no complex setup or rack gear required
• Compatible with most wired in-ear monitors

Technical Specifications —

Operating Characteristics

• Operating Frequency Band: 2.4 GHz with NUX Intelligent Frequency Hopping
• Audio Quality: 24-bit / 48 kHz
• THD + Noise: < 0.01% (typical)
• Channel Separation: –105 dB
• Dynamic Range: 110 dB (A-weighted)
• Frequency Response: 20 Hz – 20 kHz

Input & Output

• AUX Input Level: 2.1 Vrms (8.7 dBu max)
• Balanced Input Level: 9.8 Vrms (22 dBu max)
• Headphone Output Impedance: ≥ 13 Ω
• Headphone Maximum Output Power (per channel): 57 mW (THD < 0.1%, Rload = 16 Ω, 1 kHz)
• Output Level Adjustment Range: Mute –86 dB to +12 dB

Connectivity & Performance

• Operation Range (Line-of-Sight): Up to 165 ft / 50 meters (environment-dependent)
• Latency:
• • 7.33 ms (Low Latency Mode)
  • 10.85 ms (Default Mode)
  • 14.33 ms (Safe Mode)

HardwareTransmitter

• Dimensions: 5.51 × 3.82 × 2.09 inches
• Weight: 525 g
• Battery Capacity: 3.7 V / 3000 mAh

Receiver

• Dimensions: 1.85 × 2.80 × 0.87 inches
• Weight: 51 g
• Battery Capacity: 3.7 V / 400 mAh

Battery Life

• Up to 6 hours of operating time (usage-dependent)

Condition - Brand New - Authorized dealer stock.

Tulsa Guitar Company is a brick and mortar shop based in Oklahoma since 1985. We are a Top 300 shop on Reverb (2023 & 2024). Thank you for supporting a family-owned business. We ship most items the same day they are purchased during our regular business hours.