Shure BLX14E/SM31 ((863-865 MHz) fitness headset)

- BLX1 bodypack transmitter
- Operating status and battery status LED
- Adjustable gain
- Quick and easy frequency adjustment
- Up to 14 hours of battery life with 2 AA batteries
- Up to 100m range
- BLX4E receiver
- Up to 12 compatible systems per frequency band
- QuickScan finds the best free frequency with the push of a button
- Microprocessor controlled antenna diversity
- Two-color battery status indicator
- Selectable output level
- Detachable antennas
- LC display with detailed HR and audio display
- Technical data
- Frequency range: 50 to 15 kHz
- Dynamic range 100 dB, A-weighted, typical
- Operating temperature: -18 to 57°C
- BLX1 bodypack transmitter
- Max Input (gain max/ 0 dB): -16 dBV max / +10 dBV max
- gain control range: 26 dB
- Input impedance: 1 M[Ohm]
- Dimensions (HxWxD): 110 x 64 x 21 mm
- Weight: 75g without batteries
- Operating time: up to 14 hours with 2x AA batteries
- BLX4R receiver
- Output impedance:
- XLR output: 200 [Ohm]
- 6.35mm (1/4") Output: 50 [Ohm]
- Audio output level (Ref. ±33 kHz deviation at 1 kHz):
- XLR output: -20.5 dBV (into 100 k[Ohm] load)
- 6.35 mm (1/4") connector: -13 dBV (into 100 k[Ohm] load)
- Sensitivity: -105 dBm for 12 dB SINAD, typical
- Image frequency rejection: >50 dB, typical
- Dimensions (HxWxD): 50 x 198 x 163 mm
- Weight: 998g with antennas

- Weight: 1.300kg