Shure BLX14RE/MX53
- MX153 Earset Headworn Mic
- BLX1 Bodypack Transmitter
- Rackmountable BLX4R Receiver
- 300 Range of Operation
- One-Touch QuickScan Frequency Selection
- 1x XLR & 1x 1/4 Instrument Outputs
- Includes 2x AA Batteries
Frequency
- H8 - 518 / 542 Mhz
- J10 - 584 / 608 Mhz
- K12 - 614 / 638 Mhz
- M15 - 662 / 686 Mhz
BLX4 Single Channel Receiver
| Output | 1x XLR Output
1x 1/4" (6.35 mm) Output |
| Output Impedance | XLR: 200 Ω
1/4": 50 Ω |
| Audio Output Level | XLR Connector: -20.5 dBV into 100kΩ Load (Reference +/-33 kHz with 1 kHz Tone)
1/4": -13 dBV into 100kΩ Load (Reference +/-33 kHz with 1 kHz Tone) |
| RF Sensitivity | -105 dBm for 12 dB SINAD, Typical |
| Image Rejection | >50 dB, Typical |
| Housing | Molded ABS, Steel |
| Power Requirement | 12 to 15 V DC @ 260 mA, Supplied by External Power Supply (Tip Positive) |
| Dimensions (H x W x D) | 1.9 x 7.7 x 6.4" (50 x 198 x 163) |
| Weight | 2.2 lb (998 g) |
MX153 Earset Headworn Mic
| Transducer | Electret Condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 20Hz to 20kHz |
| Sensitivity | Open circuit voltage, @ 1kHz, typical: -41dBV/Pa (9 mV/Pa) |
| Maximum Input Sound Level | 1kHz at 1% THD:
2500 Ω load: 107 dB SPL
1000 Ω load: 107 dB SPL |
| Signal-to-Noise Ratio | 60dB |
| Dynamic Range (Typical) | @ 1kHz
2500 Ω load: 73 dB
1000 Ω load: 73 dB |
| Self Noise | Equivalent SPL, A-weighted, typical: 34dB |
| Common Mode Rejection | 20Hz to 20kHz |
| Operating Temperature | 0 to 135° F (-18 to 57° C) |
| Polarity | Positive pressure on diaphragm produces negative voltage on pin 3 with respect to pin 1. |
| Power Requirements | +1 - 5VDC (500 μA max.) |
| Dimensions | Cable Length: 48" (1.21m) |
| Weight | 0.69oz (19.76g) |
BLX1 Body Pack Transmitter
| Audio Input | Gain: -16 dBV (Maximum),10 dBV (Minimum |
| Gain Adjustment Range | 26 dB |
| Input Impedance | 1 MΩ |
| RF Output | 10 mW, Typical |
| Housing | Molded ABS |
| Power Requirement | 2x LR6 AA Batteries, 1.5 V Alkaline |
| Battery Life | Up to 14 Hours |
| Dimensions (H x W x D) | 4.3 x 2.5 x 0.8" (110 x 64 x 21 mm) |
| Weight | 2.6 oz (75 g) |
