Description
Shure BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System (H11: 572 to 596 MHz)
Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it's the most accessible way to own the stage. Frequency Range: 542-572 MHz (Band H10). The rugged and durable SM31FH is a cardioid condenser microphone constructed with hydrophobic materials that make it ideal for true performance in fitness instruction applications. The moisture-repellent cartridge housing ensures a long product life by protecting the microphone from the corrosion damage that causes typical fitness instruction headsets to fail.
Product Highlights:
- Gain Max: -16 dBV maximum
- Gain Min (0 dB): +10 dBV maximum
- Gain Adjustment Range: 26 dB
- Input Impedance: 1 M
- RF Transmitter Output: 10 mW, typical, varies by region
- Dimensions (H x W x D): 110 mm X 64 mm X 21 mm
- 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)
- BLX4 Single Channel Receiver
- Output Impedance: XLR connector: 200 ohms, 6.35 mm (1/4") connector: 50 ohms
- Audio Output Level: Ref. ±33 kHz deviation with 1 kHz tone
- XLR connector: -27 dBV (into 100 ohms load)
- 6.35 mm (1/4") connector: -13 dBV (into 100 ohms load)
- RF Sensitivity: -105 dBm for 12 dB SINAD, typical
- Image Rejection: greater than 50 dB, typical
- Dimensions(H x W x D): 40 mm X 188 mm X 103 mm
- Weight: 241 g (8.5 oz.)
- Housing: Molded ABS
- Power Requirements: 12-15 V DC @ 160 mA (BLX88, 320 mA), supplied by external power supply (tip positive)
- SM13FH Fitness Condenser Microphone
- Type: Electret Condenser
- Frequency Response: 45 to 20,000 Hz
- Polar Pattern: Unidirectional (Cardioid)
- Output Impedance @ 1 kHz: 600 ohms
- Audio Output: Level -50 dBV/Pa
- Signal-To-Noise Ratio @ 1 kHz: 66 dB
- Maximum SPL 1000 ohms load, @ 3% THD: 145.0 dB
- Dynamic Range @ 1 kHz, 1000 ohms load: 117.0 dB
- Equivalent Output Noise, Typical, A-Weighted: 28 dB
- Power Requirements: +5 V DC (nominal), 10 V maximum (DC bias)
- Polarity: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
- Cable: 1.1 m (45 in.)
- Connector: TA4F
- Net Weight: 60 g (2.11 oz.)
- Manufacturer: Shure
- Model: BLX14/SM31-H10
- Warranty: See manufacturer website for details
- Our 30-day money back guarantee
- MFR # I387126-N-12-B
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