NUX B-7PSM 5.8 GHz Wireless in-Ear Monitoring System, Charging Case Included Bundle with AKG Pro Audio K240 Professional Studio Headphones
About this product
About this item Important Notice: B-7PSM is designed for band rehearsals and live performances, prioritizing the best possible STEREO experience. you'll enjoy the product and the experience it provides. While it may not be suitable for personal silent practice.
Operation Length: > 100 feet (30m) Outdoor unobstructed, >33 feet(10m) Outdoor with obstructions
Latency: < 5.5 ms
Recommended: Please stay 2 meters (6 feet) away from the Wifi router for the best results.
Sampling Rate: 24bit / 40 kHz
Editor's Take
Amazon reviewers describe the NUX B-7PSM as a capable but imperfect wireless IEM system, with recurring praise for its convenience, low latency, and solid value for small gigs and rehearsals. Some reviewers also mention noticeable noise or hiss, and a few note that the sound quality is not as clean as higher-end systems.
Review sites largely mirror that split: the product is described as a strong budget-friendly entry into wireless in-ear monitoring, but not a high-end solution. One detailed review says it works well for practice, backup use, and smaller rooms, while another notes permanent background noise in quieter passages and some high-frequency artifacts.
On Reddit and forum-style discussions, the overall sentiment is similar: users tend to like the ease of setup, portability, and the included charging case, while warning that it is best suited to rehearsal and lighter live use rather than critical pro monitoring. The AKG K240 headphones in the bundle are generally viewed as a dependable studio staple rather than the main reason to buy the package.
YouTube searches surfaced multiple real review and demo videos specifically about the NUX B-7PSM, including live tests, personal experience videos, and a drummer-focused review. The bundle itself is less commonly the focus than the NUX system alone, but the product appears to have genuine hands-on coverage.
- Most praised: low latency, easy setup, portability, and value.
- Most criticized: hiss/noise floor, occasional sound artifacts, and limitations versus premium IEM systems.
- Best fit: rehearsals, small stages, backup monitoring, and budget-conscious users.
Price History
📊 Price history chart coming soon — data will appear after a few days of tracking.
Specifications
| Brand Name | Kellards |
| Model Number | B-7PSM |
| Model Name | B-7PSM |
| Built-In Media | Protective Case |
| Age Range Description | Adult |
| Number of Items | 1 |
| Manufacturer | Kellards |
| Best Sellers Rank | #183,829 in Musical Instruments ( See Top 100 in Musical Instruments ) #471 in Recording In-Ear Audio Monitors |
| ASIN | B0CJZ1HHFX |
| Customer Reviews | 4.5 out of 5 stars |
| Headphones Ear Placement | In Ear |
| Headphone Folding Features | Over Ear |
| Earpiece Shape | in-ear |
| Control Type | Media Control |
| Control Method | Remote |
| Noise Control | None |
| Audio Driver Type | Dynamic Driver |
| Frequency Range | 20 Hz - 40 kHz |
| Enclosure Material | Plastic |
| Specific Uses For Product | Music |
| Compatible Devices | Music Production Equipment, Laptops, Desktops, Gaming Consoles, Tablets, Telephones, Car Audio Systems |
| Cable Features | Without Cable |
| Additional Features | Lightweight |
| Headphone Jack | 3.5 mm Jack |
| Connectivity Technology | Wireless |
| Wireless Technology | RF |
| Bluetooth Range | 100 Feet |
| Color | Black |
| Unit Count | 1.0 Count |