Freedom Meets Professional Clarity
Engineered for performers who demand reliability: The ULXD4-LED delivers studio-grade vocal reproduction with military-grade RF stability. Choose your voice—KSM9 for nuanced vocal artistry, or silver KSM8 for consistent full-frequency performance.

• 📡 200 Smart UHF Channels：2×100 adjustable frequencies auto-scan to avoid interference in crowded venues

• 🔒 AES 128-Bit Encryption：Secure your content—ideal for broadcasts, confidential events, live streams

• 🎤 Dual-Mic Simultaneous Operation：Zero dropout for duets, interviews, panel discussions

• 🌍 100m Stable Range：UHF technology penetrates obstacles; perfect for stages, churches, outdoor events

• 🎯 Vocal-Optimized Capsules：KSM9 (dual-diaphragm for natural tone) / KSM8 (linear response across all pitches)

• 💡 LED Display + Battery Alert：Real-time channel/battery status for seamless operation

| 🎤 Stage Performances / Star Performances | Anti-interference + Clear Voice Transmission, Stable as a Rock in Large Venues |
| 🎧 DJ / Live Streaming / Event Hosting | Secure Transmission to Prevent Frequency Interference, Smooth Movement without Stalling |
| 🎤 Home KTV / Party Events | Plug and Play, Living Room Transformed into Professional Recording Studio in an Instant |
| 📚 Church / School Speeches | Clear Sound Pickup Covers the Entire Venue, Elderly and Students Can Hear Clearly |
| 💼 Corporate Meetings / Wedding Toastmasters | Dual Microphone Collaboration, Combining Ceremony Feel with Professionalism |

✅ You will receive:
ULXD4-LED receiving host ×1
| Handheld transmitter ×2 (choose one: KSM9 black model / or silver KSM8 model)
| Antenna ×2 | Power adapter
| Portable storage box
⚠️ Please specify the required microphone model when placing the order (default is KSM9)

Common Questions and Answers
Q: Can it be used with other brand devices?
A: This system operates on an independent encrypted frequency band. It is recommended to use it in conjunction to ensure sound quality and stability.
Q: Is the signal stable in a school auditorium (approximately 800 square meters)?
A: The actual test shows that it can be transmitted without obstacles up to 100 meters. It is fully applicable to large venues such as auditoriums and gymnasiums.

Elevate your voice with professional assurance
Whether on the stage or during family moments, ULXD4-LED ensures every sound is clear, confident, and free from interference.
Choose KSM9: The artist's choice for pursuing detailed human voice and dynamic performance
Choose the silver KSM8: The all-round partner for stable output across the entire frequency range
Place your order now, receive a special gift, +30 days of worry-free return and exchange | Professional customer service for 1-on-1 configuration guidance

Real customer feedback · A warm voice testimony:
⭐️⭐️⭐️⭐️⭐️ | DJ Mike (Resident DJ at a New York nightclub)
"Tested at 3 consecutive music festivals! The RF environment of the venue was complex, but the 200-channel automatic avoidance function of ULXD4-LED was extremely practical - there was never a frequency drop again. When KSM9 sang high notes, the details were retained exceptionally well, and guests said 'The vocals sounded like they were sung right next to their ears.' The charging box was a bit heavy, but it was worth it for professional sound quality!"
Usage scenario: Livehouse performance | Configuration: KSM9 dual microphones
⭐️⭐️⭐️⭐️⭐️ | Teacher Wang (Moral Education Department of a Chicago school)
"800-person auditorium speech savior! Previously, when using wired microphones, students would always trip over them. Now, while walking, I can speak and the sound always reaches the last row clearly. The principal specifically asked about the model and said the encryption function avoided the awkwardness of neighboring classes' activities interfering with each other. The dual-microphone mode made the teacher-student interaction more smooth!"
Usage scenario: School activities | Configuration: Silver KSM8
⭐️⭐️⭐️⭐️ | Ms. Li (Home user in Washington)
" Bought for my parents' 60th birthday. The whole family rushed to use it! The operation was simpler than expected - plug in → turn on → sing. My parents mastered it in 5 minutes. The silver KSM8 has a high appearance level and clean, non-scratching sound quality (my mom said 'It's much more comfortable than a square dance speaker'). The storage box takes up a bit of space, but it provides good protection and can be taken on trips."
Usage scenario: Family gatherings/KTV | Configuration: Silver KSM8
⭐️⭐️⭐️⭐️⭐️ | Mr. Zhang (Wedding host)
"High-end wedding designated equipment! During the vows exchange for the new bride and groom, the dual microphones seamlessly switched, and the encrypted transmission ensured the client's privacy was safe (I once encountered a tragic incident where other equipment was interfered with by the neighboring wedding). The LED screen could clearly see the battery level even in the dark, and the details were perfect! I have recommended it to 3 colleagues in the hosting circle."
Usage scenario: Wedding hosting | Configuration: KSM9 dual microphones
⭐️⭐️⭐️⭐️⭐️ | Pastor Chen (Church)
"Church dome structure poses a significant challenge to signals, but the ULXD4-LED has a penetration power beyond expectations! During preaching, when walking to the side aisle, the sound remained full and stable. The linear response of KSM8 made the reading of scriptures warm and powerful, and the congregation responded 'It's clear to hear and doesn't require much effort.' I have recommended it to 2 churches nearby."
Usage scenario: Church worship | Configuration: Silver KSM8