Owner's Manual
Table Of Contents
8
System
Working Range
91
m (300 ft) Line
of
Sight
Note
: Actual range
depends
on
RF
signal absorption, reflection and
interference.
Audio Frequency Response
50
to
15,000
Hz
Note
: Dependent
on
microphone type
Total Harmonic Distortion
Ref.
±33
kHz
deviation with 1
kHz
tone
0.5%, typical
Dynamic Range
100
dB, A-weighted, typical
Operating Temperature
-1a•c
(0°F)
to
57•c
(135°F)
Note
: Battery characteristics
may
limit this range.
Polarity
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.
BLX1
Audio Input Level
gain
max
min (0 dB)
Gain Adjustment Range
26dB
Input Impedance
1 MO
RF
Transmitter Output
10
mW
, typical
varies
by
regi
on
Dimensions
-16
dBV
maximum
+
10
dBV
maximum
110
mm
X
64
mm
X
21
mm
H x W x D
Weight
75
g (2.6 oz.), without batteries
Housing
Molded ABS
Power Requirements
2 LR6
AA
batteries, 1.5 V, alkaline
Battery
Life
up
to
14
hours (alkaline)
BLX2
Audio Input Level
gain
OdB
-20
dBV
maximum
-10dB -10
dBV
maximum
Gain Adjustment Range
10
dB
RF
Transmitter Output
10
mW, typical
varies by region
Dimensions
224
mm
X 53
mm
L x Dia.
Weight
218
g (7.7
oz
.) (without batteries)
Housing
Molded ABS
Power Requirements
2 LR6
AA
batteries, 1.5 V, alkaline
Battery
Life
up
to
14
hours (alkaline)
BLX4 & BLX88
Output Impedance
XLR connector 200 0
6.
35
mm
(1
/4") connector 50 0
Audio Output Level
Ref.
±33
kHz deviation with 1 kHz tone
XLR connector
-27
dBV
(into
100
kO
load)
6.
35
mm
(1
/4") connector -
13
dBV
(into 100
kO
load)
RF
Sensitivity
-105
dBm
for
12
dB
SINAD, typical
Image Rejection
>
50
dB
, typical
Dimensions
BLX4 40
mm
X
188
mm
X 103
mm
(H x W x D)
BLX88
40
mm
X 388
mm
X
116
mm
(H x W x 0)
Weight
BLX4
BLX88
Housing
Molded ABS
Power Requirements
241
g (8.5
oz
.)
429
g (15.1 oz.)
12
- 15 V
DC@
160
mA
(BLX88, 320 mA), supplied
by
external power supply (tip positi
ve
)