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English

7

SPECIFICATIONS

SYSTEM SPECIFICATIONS

Frequency Range:
(NOTE: Available frequen-
cies depend on applicable
regulations in country where
the system is used.)

Approximately 596 MHz to 862 MHz

Operating Range:

100 m (approximately 300 ft.) under
typical conditions

Audio Frequency
Response:

20 to 16,000 Hz 

±

3 dB

Image Rejection:

75 dB typical

Spurious Rejection:

75 dB typical

System Distortion

(ref. 

45 kHz deviation,

1 kHz modulation):

0.1% THD typical

Signal-to-Noise Ratio:

90 dB

Maximum Recommended
Input Level, AXU1 (attenua-
tion switch at –20 dB, gain
at +32 dBV):

–110 dBm for 12 dB SINAD typical

Minimum Recommended
Input Level, AXU1 (attenu-
ation switch at 0 dB, gain
at –80 dBV):

-80 dB

Operating Temperature
Range:
(NOTE:
 Battery characteris-
tics may limit range)

7

°

 to 38

°

C (45

°

 to 100

°

) F

Transmitter Battery Life:

12 hours with 9 V alkaline battery
(Duracell MN1604 recommended).

BODY-PACK TRANSMITTER SPECIFICATIONS

RF Output:

15 mW Typical

Input Configuration:

Unbalanced

Connector Type:

4-pin Tini QG (male)

Actual Impedance:

1 M

Connector Pin Assign-
ments:

Pin 1:Tied to Ground
Pin 2:Tied to +5 V
Pin 3:Tied to Audio
Pin 4:Tied to 20k

 Resistor and

Audio Ground

Dimensions:

82.6 mm H x 63.5 mm W x 26.2 mm

(3.25” H x 2.50” W x 1.03” D)

Net Weight:

125g (4.4 oz.) including battery

Power Requirements:

9 V alkaline battery 
(Duracell MN1604 recommended);  
9 V lithium battery optional.

Nominal Current Drain:

40 mA

* Gain Control at minimum
** Gain Control at maximum

HAND-HELD TRANSMITTER SPECIFICATIONS

RF Output:

15 mW Typical

Dimensions:

241 mm H x 51 mm D 
(9.49 in. H x 2.01 in. D)

Net Weight:

296g (10.4 oz.)

Power Requirement:

9 V alkaline battery
(Duracell MN1604 recommended); 
9 V lithium battery optional.

Nominal Current Drain:

40 mA

RECEIVER SPECIFICATIONS

Connector:

3-Pin XLR (male)

1/4” phone plug (female)

Maximum Output Levels:

Line Level: +10 dBV 
Mic Level: –22 dBV

+4 dBV

Nominal Output Levels:

Line Level:  –22 dBV
Mic Level:  –46 dBV

–26 dBV

Output
Configuration:

Active Balanced

Unbalanced

Actual Impedance:

Line Level: 5.5 k

Mic Level: 500 

1 k

Connector Pin
Assignments:

Pin 1: ground
Pin 2: hot
Pin 3: cold

Tip: hot
Sleeve: ground

Dimensions:

41 mm H x 197 mm W x 138 mm D (1.625 in. H x 7.77 in. W x 5.42
in. D)

Net Weight:

419.6g (14.8 oz.)

Power
Requirements:

12–18 VDC nominal, 200mA

Power Supply:

120 V or 230V  AC  adaptor with 2.1 mm female plug

Voltage/Current/Phantom
Power Protection:

Yes

Yes

Summary of Contents for AXU Series

Page 1: ...Mounting Strips RECEIVER FEATURES 6 7 10 9 11 1 2 3 4 5 8 12 18VDC DC INPUT UNBALANCED HIGH Z BALANCED LOW Z LINE MIC SQUELCH MIN MAX FIGURE 1 AXU4 RECEIVER FEATURES 1 Power On Indicator This green li...

Page 2: ...op eration the antenna must hang vertically and should not be coiled or bundled 9 Battery Compartment Holds one 9 V battery Hinged cover opens to provide access to the battery 10 Lavalier Microphone...

Page 3: ...ROPHONE POSITION BODYPACK TRANSMITTER SETUP 1 Attach the transmitter to your belt guitar strap or waistband as shown in Figure 6 Depress the tab marked PRESS and slip the belt or strap between the tra...

Page 4: ...t your Shure dealer for details WIRELESS SYSTEM ADJUSTMENTS TRANSMITTER AUDIO GAIN ADJUSTMENT The audio gain control on each transmitter has been factory preset at the mid range position This produces...

Page 5: ...hen a conventional wireless system is used in a noisy RF environment its circuits may open unexpectedly sending loud bursts of noise through the receiver when the transmitted signal is weak or turned...

Page 6: ...ON POWER LOW BATT TRANSMITTER Increase transmitter gain until Transmitter Audio Peak light flashes on loud peaks Turn up receiver volume control as necessary No sound or faint sound POWER ANTENNA AUDI...

Page 7: ...ied to 5 V Pin 3 Tied to Audio Pin 4 Tied to 20k Resistor and Audio Ground Dimensions 82 6 mm H x 63 5 mm W x 26 2 mm D 3 25 H x 2 50 W x 1 03 D Net Weight 125g 4 4 oz including battery Power Requirem...

Page 8: ...f one year from date of purchase all transmitter and receiver parts At its option Shure will repair or replace the defective product and promptly return it to you You should retain proof of purchase t...

Page 9: ...he following two conditions 1 this de vice may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Testing...

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