Battery Life
Approximate Hours Remaining
(h:mm)
Tri-Color
Battery LED
Battery Indicator
Shure SB900
Rechargeable
Battery
Alkaline
7:00 to 5:355:30 to 4:25
Green
5:35 to 4:104:25 to 3:20
Green
4:10 to 2:503:20 to 2:10
Green
2:50 to 1:252:10 to 1:05
Green
1:25 to 0:401:05 to 0:30
Amber
< 0:40< 0:30
Red
7:005:30Total Battery Life
Note: Battery life using Energizer™ brand AA Alkaline batteries and the
following conditions:
• Receiver audio set to EQ = OFF, V LIMIT = OFF
• Audio output at bodypack: Pink noise at 100 dB SPL in ear with SE112
earphones (impedence at 20 Ω)
Power-save mode: When there are no earphones plugged in for 5 minutes,
the receiver enters power-save mode to preserve battery life. The LED
slowly fades on/off in this mode and continues to display the color that repre-
sents the remaining battery life.
Specifications
Audio Frequency Response
38 Hz–15 kHz
Operating Range
environment dependent
90 m (300 ft)
Active RF Sensitivity
at 20 dB SINAD
2.2 µV
Active RF Gain Control
20 dB
0
Image Rejection
>90 dB
Adjacent Channel Rejection
>60 dB
Intermodulation Attenuation
>50 dB
Blocking
>60 dB
Audio Output Power
1kHz @ <1% distortion, peak power, @32Ω
80 mW (driving two channels)
Output Impedance
<2.5 Ω
Minimum Load Impedance
4 Ω
Headphone Output
3.5 mm (1/8") stereo
Low Shelf
2 dB Step Size
Selectable: -6 to +6 dB @ 100 Hz
High Shelf
2 dB Step Size
Selectable: -6 to +6 dB @ 10 kHz
Volume Limiter
3 dB Step Size
Selectable: -3 to -21 dB
Net Weight
196 g(6.6 oz.) (with batteries)
Dimensions
99 x 66 x 23 mm H x W x D
Battery Life
continuous use
5.5 hoursAA batteries
7 hoursSB900
Operating Temperature
-18°C to +63°C
Optional Accessories and Replacement Parts
0
Adjusts RF sensitivity to provide more RF dynamic range
Shure IncorporatedP3RA Professional Wireless Bodypack Receiver
2017/10/306/7
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