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The NUX B-7 PSM is designed to let you hear your own mix (vocals, instruments, backing tracks, etc.) wirelessly through in-ear monitors without being tethered by cables. Whether you’re a singer, guitarist, drummer, or sound engineer, the B-7PSM gives you pristine stereo audio, ultra-low latency, and rock-solid wireless performance — all in a pocket-sized design.
True Wireless Freedom
Enjoy up to ~100 ft / 30 m of line-of-sight range so you can move much freely on stage or in your venue.
Crystal-Clear Audio
24-bit hi-resolution wireless transmission with < 5.5 ms latency ensures your sound stays tight and natural.
Reliable Runtime
Get ~4 hours of continuous use per charge on both transmitter and receiver.
Cut the Cord, Be in Command
Compact, reliable, and ready for any gig.
Quick & Easy Setup
Just power on both units to pair instantly.
Compact, Clip-On Design
Lightweight receiver clips comfortably to your belt or strap.
Rock-Solid Connection
Avoid dropouts, interference, and noise.
Clean, Stable Wireless Performance
Why 5.8GHz Matters
Most wireless devices, including Wi-Fi routers, Bluetooth gear, and many older wireless systems, operate in the 2.4GHz range.
By operating in the 5.8GHz range, B-7PSM offers significant advantages over the congested 2.4GHz range. You can expect a stronger connection, fewer dropouts, and a cleaner signal path for your monitor mix, even in crowded venues filled with smartphones and wireless equipment.
Smart, Simple, & Reliable
Just turn on the transmitter and receiver — they automatically find the best frequency and pair instantly. No menus, no guesswork.
With a 100-feet line-of-sight range, the B-7 PSM gives you consistent audio performance in venues large and small.
Stay Charged, Stay Tuned
With B-7 PSM built-in long-lasting battery, you can play for up to 4 hours non-stop. The included portable charge case provides up to 15 hours battery life and can charge the system for approximately 3 times.
- 4 Hours non-stop play time
- Charging case provides 15 hours of battery life
Specifications
Technical
- Operating Frequency Band 5.8 GHz
- Audio Quality 24-bit / 40 kHz
- THD+ Noise < 0.6% @ 1 kHz
- TX Input Max Level 7.6 Vpp (≈ 2.7 Vrms)
- TX Impedance 3.5 kΩ
- RX Output Max output power: 57 mW RMS (into 16 Ω)
- Volume Control -64 dB to 0 dB in 0.5 dB steps on RX
Connectivity
- Operation Range (Line-of-Sight) Up to 100 feet / 30 meters (environment-dependent)
- Operation Range (w/ Obstructions) Up to 32 feet / 10 meters
- Frequency Response 20 Hz – 19 kHz
- Latency < 5.5 ms
Hardware
- TX & RX Dimensions 2.3 x 1.4 x 1 inch ea
- TX & RX Weight 32g ea
- Charging Case Weight 130g
- TX & RX Battery Capacity 3.7 V / 450 mAh
- Charging Case Battery Capacity 3.7 V / 3000 mAh
- TX & RX Battery Life Up to 4 hours of playing time
- Charging Case Battery Life Up to 15 hours (3 charge cycles)
What's Included
1 x B-7 PSM Transmitter, 1 x B-7 PSM Receiver, 1 x Charging Case, 1 x USB Type-C, 1 x Stereo Audio Adapter, User Manual