Condition: Excellent, light signs of use. No box or cables included.

Experience crystal-clear audio and seamless mobility with the NUX B-7PSM wireless personal monitoring system. Designed to drive stereo in-ear monitors or headphones with an impedance of 16-32 Ohms, this compact solution offers professional-grade sound quality and effortless setup for musicians, broadcasters, and performers.

Main Features

• Licence-free 5.8GHz band operation for clear, interference-free audio
• Instant auto carrier detection and pairing on power-up
• Compatible with earphones and headphones rated 16-32 Ohms impedance
• Supplied with a 3000mAh charging case that doubles as a power bank
• Ultra-compact transmitter with integral 3.5mm plug
• Clip-on receiver featuring 3.5mm stereo output jack and volume/pairing controls
• Pristine audio fidelity with a wide frequency range (20Hz–19kHz) and dynamic response
• Wireless range up to 30m (open air, no obstruction)
• Low latency of under 5.5ms for real-time monitoring

The system operates on the licence-free 5.8GHz band, ensuring interference-free transmission and fast auto-pairing on power-up. The ultra-compact transmitter features an integral 3.5mm plug, while the clip-on receiver provides a 3.5mm stereo output jack with easy-to-use volume and pairing controls.

Supplied with a high-capacity 3000mAh charging case, charging your transmitter and receiver is convenient, keeping your system ready wherever you go. Enjoy a superb frequency response and low latency for accurate, reliable monitoring with complete freedom of movement.

Specifications

• Power source: Built-in 3.7V Li-ion batteries (450mAh transmitter & receiver; 3000mAh charging case)
• Recharge time: Approx. 1.5 hours for Tx/Rx, 4 hours for charging case
• Headphone connector: 3.5mm stereo jack
• Recommended headphone impedance: 16–32 Ohms
• Output power: Max 57mWrms at 16 Ohms/1kHz
• Output level: Adjustable from -64dB to 0dB in 0.5dB steps
• Carrier frequency: 5.8GHz band
• Wireless range: 30m open air; 10m with obstructions
• Sampling format: 24-bit, 40kHz
• Latency: <5.5ms
• Frequency response: 20Hz – 19kHz
• Dynamic range: 92dB
• Total harmonic distortion (THD): <0.6% at 1kHz
• Dimensions: 60 x 36 x 25mm (Tx/Rx); 114 x 70 x 32mm (case)
• Weight: 32g (Tx/Rx), 130g (charging case)

Frequently Asked Questions ➤ Is the NUX B-7PSM suitable for in-ear monitors with different impedance ratings? The system is optimised for earphones and headphones with an impedance of 16-32 Ohms to ensure optimal sound quality and performance. ➤ How long does the battery last on a single charge? The transmitter and receiver provide a minimum runtime of 4 hours when fully charged. ➤ Can the charging case charge both transmitter and receiver simultaneously? Yes, the 3000mAh charging case functions as a power bank and can charge both units, keeping them ready for use. ➤ What is the wireless range of this monitoring system? It offers a maximum wireless range of up to 30 metres in open air without obstructions and about 10 metres with obstacles. ➤ Does the system require a licence for operation? No licence is required as the NUX B-7PSM operates on the licence-free 5.8GHz digital band.

Outside the UK?

Please note that shipping costs outside the UK are very approximate and can vary radically. Please contact us with your Country and Post/Zip Code for an accurate quote. Many thanks. Please also note if you are outside the UK we will not charge you tax on your purchase but you may be liable for import duty in your country.

Please also note that all our stock is sold for the UK market. If you are buying from outside the UK, please check that it is suitable for use in your country before purchase.