Used Shure BLX14/CVL Lavalier Wireless System, Includes BLX1 Transmitter, BLX4 Receiver, CVL Lavalier Mic, Power Supply, Clip, Windscreens, H8:518-542MHz

H8:518-542MHz

91m (300') Line of Sight

50 to 15000Hz

0.5%, typical

100 dB, A-weighted, typical

-18deg.C (0deg.F) to 57deg.C (135deg.F)

Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low impedance output) and the tip of the high impedance 1/4-inch output

gain - max: -16 dBV maximum
min (0 dB): +10 dBV maximum

26 dB

1 MOhms

10 mW, typical varies by region

Molded ABS

2 LR6 AA batteries, 1.5 V, alkaline

Up to 14 hours (alkaline)

XLR connector: 200 Ohms
6.35 mm (1/4") connector: 50 Ohms

XLR connector: -27 dBV (into 100 kOhms load)
6.35 mm (1/4") connector: -13 dBV (into 100 kOhms load)

-105 dBm for 12 dB SINAD, typical

>50 dB, typical

Molded ABS

12-15 V DC at 160 mA (BLX88, 320 mA), supplied by external power supply (tip positive)

Electret Condenser

60 Hz to 12,000 Hz

Unidirectional (Cardioid)

600 Ohms

-43.5 dBV/Pa

72 dB at 1 kHz

1000 Ohms load, at 3%THD
139.0 dB

1000 Ohms load
117.0 dB

+5 V DC (nominal), 10 V maximum (DC bias)

Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1

1.3m / 4.26'

TA4F

BLX4 Receiver: 40 x 188 x 103mm / 1.57 x 7.40 x 4.05"
BLX1 Transmitter: 110 x 64 x 21mm / 4.33 x 2.51 x 0.82"

CVL Microphone: 25 g (0.88 oz)
BLX4 Receiver: 241 g (8.5 oz)
BLX1 Transmitter: 75 g (2.64 oz) without batteries