Shure BLX14R/SM35 (662 - 686 MHz)

Technical system specifications

- Compatible systems per frequency band (up to): 12
- Selectable frequencies: Up to 150
- Auto Setup Features: QuickScan: Finds the best free frequency at the touch of a button
- Audio Reference Companding: Yes
- Antennas included: BLX4, BLX88: integrated antennas, BLX4R: removable external antennas
- Additional antenna options: No
- Receiver connectivity: No
- PC control and control: No
- Rack Hardware: URT2 (not included), clamps for rack mounting (only included with the rack version)
- Carrying case: Only in the analog radio system with BLX4 receiver
- Transmitter Display: Two-color audio status LED
- Receiver display: BLX4, BLX88: two-color audio status LED, BLX4R: high-resolution LC display
- Battery, running time: 2AA alkaline batteries with a running time of up to 14 hours
- Areas of application: Small and medium-sized stages

Additional system specifications
- Range: 100m (Actual range depends on RF signal absorption, reflection and interference)
- Available frequencies: Between 524-865 MHz (the available frequency range depends on the respective frequency regulations in each country)
- Transmission range: 50 Hz - 15 kHz
- RF output power: 10mW typical
- Audio output: XLR socket and 6.3 mm jack socket
- Battery life: Up to 14 hours
- Dynamic range: 100 dB(A)
- Total harmonic distortion: 0.5% typical (at 1 kHz and ±38 kHz excursion)
- Operating temperature: -18°C to +50°C
- Supply voltage: BLX1, BLX2: 2 AA alkaline or battery
- BLX4R: 12-18V DC at 260mA, external power supply


Component Specification:

BLX4R receiver for rack installation
- Output impedance:
- XLR: 200 [Ohms]
- 6.3 mm jack: 50 [Ohm]
- Audio output level (at 1 kHz and ±33 kHz excursion):
- XLR: -27 dBV (with 100 k[Ohm] load)
- 6.3 mm jack: -13 dBV (with 100 k[Ohm] load)
- RF sensitivity: 105 dBm at 12 dB SINAD
- Image frequency rejection: >50 dB, typical
- Dimensions: 50mm x 198mm x 163mm (H x W x D)
- Weight: 998g
- Housing: metal housing
- Supply voltage: 12-15 V DC, 260 mA, external power supply

BLX1 analog bodypack transmitter
- Maximum audio input level:
- gain max: -16dBV
- gain min (0dB): +10dBV
- gain control range: 26 dB
- Input impedance: 1 M[Ohm]
- RF output power: 10mW
- Dimensions: 110 mm x 64 mm x 21 mm (H x W x D)
- Weight: 75g, without batteries
- Housing: Molded ABS housing
- Power supply: 2x AA battery; 1.5 ; alkali
- Battery life: up to 14 hours

- Weight: 2.090kg