SHURE QLXD4E=-K51 Receiver
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Description
Description
Shure QLXD4E Digital Wireless Receiver (K51 Frequency Band)
The Shure QLXD4E is a high-class, half-rack digital wireless receiver designed for professional events, conference centers, and live sound installations. This model operates in the K51 frequency band (606–670 MHz) and features clear 24-bit digital audio processing and highly efficient radio spectrum utilization. The QLX-D system allows for more compatible channels in a single 8 MHz TV channel than any other system in its class, ensuring stable performance even in heavily loaded environments.
The receiver has an integrated Ethernet network port, enabling network channel scanning for multiple receivers simultaneously and system control via "Wireless Workbench" software or the "ShurePlus Channels" mobile application. To ensure secure data transmission, the QLXD4E uses AES-256 encryption, making it an ideal choice for government agencies or confidential business meetings. The robust metal construction ensures durability and reliability.
Key Features
- Audio Quality: 24-bit digital audio with a wide 120 dB dynamic range.
- Frequency Band: K51 (606–670 MHz).
- Stability: "Digital Predictive Switching Diversity" technology ensures stable connection.
- Network Control: Ethernet connectivity for network scanning and integration with control systems (AMX/Crestron).
- Security: AES-256 encryption for secure wireless transmission.
- Efficiency: Up to 22 transmitters in one 8 MHz channel.
- Construction: Professional metal chassis with an intuitive LCD menu.
Technical Specifications
- Type: Digital Wireless Receiver (Digital UHF)
- Frequency Band: K51 (606–670 MHz)
- Tuning Bandwidth: 64 MHz
- Audio Frequency Response: 20 Hz – 20,000 Hz (microphone dependent)
- Dynamic Range: > 120 dB (A-weighted)
- Latency: < 2.9 ms
- Audio Outputs: XLR Male connector (balanced, Mic/Line) and 6.3 mm Female connector (instrument)
- Network Connection: RJ45 Ethernet Female connector
- Antenna Connectors: 2 x BNC Female connectors (50 Ω)
- Power: 12 V DC (external source)
- Weight: Approximately 0.777 kg
- Dimensions: 41 x 197 x 151 mm
Included in the Box
- 1 x Shure QLXD4E Receiver (K51)
- 1 x Power Supply
- 2 x 1/2 Wave Antennas
- 2 x BNC Cables
- 2 x BNC Bulkhead Adapters (for front-mounting antennas)
- 1 x Rack Mount Kit
- 1 x User Documentation
Intended Use
- Conference centers and hotels.
- Schools and universities.
- Government institutions (due to encryption).
- Houses of worship and concert halls.

