Description
Shure BLX188/CVL Wireless Dual Presenter System with two CVL Lavalier Microphones
The entry to Shure quality lavalier microphones in a dual system for spoken word applications. Features analogue wireless transmission.
Environments: Club, Live Performance, Place of worship, Rehearsal Space
Industries: Education, House of Worship
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 and Transmitter Output Level
| Band | Range | Output Power |
|---|---|---|
| H9 | 512 to 542 MHz | 10 mW |
| h20 | 542 to 572 MHz | 10 mW |
| h21 | 572 to 596 MHz | 10 mW |
| J11 | 596 to 616 MHz | 10 mW |
Includes
- 1 – BLX88 dual-channel receiver
- 2 – BLX1 bodypack transmitters
- 2 – CVL lavalier microphones
- 1 – PS24 Power Supply
- 2 – lavalier clips
- 2 – lavalier windscreens
- user guide
BLX88 Specs
Output Impedance
| XLR connector | 200 Ω |
| 6.35 mm (1/4″) connector | 50 Ω |
Audio Output Level
Ref. ±33 kHz deviation with 1 kHz tone
| XLR connector | –27 dBV (into 100 kΩ load) |
| 6.35 mm (1/4″) connector | –13 dBV (into 100 kΩ load) |
RF Sensitivity
-105 dBm for 12 dB SINAD, typical
Image Rejection
>50 dB, typical
Dimensions
1.50 in. X 12.13 in. X 3.98in. (38 mm X 308 mm X 101 mm) H x W x D
Weight
15.1 oz. (429 g)
Housing
Molded ABS
Power Requirements
12–15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)
BLX1 Specs
Audio Input Level
| max | -16 dBV maximum |
| min (0 dB) | +10 dBV maximum |
Gain Adjustment Range
26 dB
Input Impedance
1 MΩ
RF Transmitter Output
10 mW, typical
varies by region
Dimensions
4.33 in. X 2.52 in. X 0.83 in. (110 mm X 64 mm X 21 mm) H x W x D
Weight
2.6 oz. (75 g), without batteries
Housing
Molded ABS
Power Requirements
2 LR6 AA batteries, 1.5 V, alkaline
Battery Life
up to 14 hours (alkaline)
CVL Specs
Type
Electret Condenser
Frequency Response
60 Hz to 12,000 Hz
Polar Pattern
Unidirectional (Cardioid)
Output Impedance
@ 1 kHz
600 Ω
Audio Output Level
-43.5 dBV/Pa
Signal-To-Noise Ratio [1]
@ 1 kHz
72 dB
Maximum SPL [1]
1000 Ω load, @ 3%THD
139.0 dB
Dynamic Range [1]
@ 1 kHz, 1000 Ω load
117.0 dB
Equivalent Output Noise [1]
typical, A-Weighted
22 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
1.3 m (50 in.)
Connector
TA4F
Net Weight
25 g (0.88 oz.)
[1] Measurements taken using RK100PK preamp set @ 0 dB using 8k bias resistor.
*All specifications measured with a 48 Vdc phantom power supply. The microphone operates at lower voltages, but with slightly decreased headroom and sensitivity.
