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Continue ShoppingShure BLX Rackmount Wireless Headset Microphone System
Rack-mountable and featuring rugged metal construction, the BLX4R offers simple setup and intuitive controls. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. Removable antennas allow for quick antenna distribution. For use with BLX® Wireless Systems.
The durable BLX1 features a lightweight, ergonomic design and adjustable gain control. For use with BLX® Wireless Systems.
*When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.
Receiver
Transmitter
Receiver
Output Impedance | XLR Connector 200 Ohm; 1/4" Connector 50 Ohm |
Audio Output Level (Ref. ±33 kHz Deviation with 1 | XLR Connector –20.5 dBV (into 100k Ohm Load); 1/4" Connector -13 dBV (into 100k Ohm Load) |
RF Sensitivity | -105 dBm for 12 dB SINAD, Typical |
Image Rejection | >50 dB, Typical |
Dimensions (H x W x D) | 50 mm X 198 mm X 163 mm |
Weight (Without Antennas) | 998 g (2.2 lb.) |
Housing | Molded ABS, Steel |
Power Requirements | 12–15 V DC @ 260 mA, Supplied by External Power Supply (Tip Positive) |
Transmitter
Audio Input Level | max: -16 dBV maximum, min (0 dB): +10 dBV maximum |
Gain Adjustment Range | 26 dB |
Input Impedance | 1 MOhm |
RF Transmitter Output | 10 mW, typical varies by region |
Dimensions | 110 mm x 64 mm x 21 mm (H x W x D) |
Weight | 75 g (2.6 oz.), without batteries |
Housing | Molded ABS |
Power Requirements | 2 LR6 AA batteries, 1.5 V, alkaline |
Battery Life | up to 14 hours (alkaline) |
Microphone Options
The SM35 Performance Headset Condenser Microphone gives multi-instrumentalists the freedom to express themselves without sacrificing sound quality. A tight, unidirectional cardioid polar pattern provides excellent rejection of off-axis sound sources to prevent feedback and signal bleed onstage, whether in use in small clubs, large installations, or arena tours.
The Shure Microflex® MX153 provides outstanding clarity in an extremely comfortable over-the-ear design. This professional subminiature earset microphone is ideal for applications in which improved gain before feedback over lavalier microphones is desired. Delivering exceptional speech clarity, the MX153 is ideal for corporate presentations, houses of worship, A / V conferencing, and live sound reinforcement.
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