BLX1

Audio Input Level

max	-16 dBVmaximum
min (0 dB)	+10 dBVmaximum

Gain Adjustment Range

26 dB

Input Impedance

1 MΩ

RF Transmitter Output

10 mW, typical

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)

BLX4

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

1.57 in. X 7.40 in. X 4.06in. (40 mm X 188 mm X 103 mm) H x W x D

Weight

8.5 oz. (241 g)

Housing

Molded ABS

Power Requirements

12–15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)