Transmitter -Mic Offset Range 0 to 21 dB (in 3 dB Steps) -Frequency Band J50: 572 to 636 MHz -Audio Input Configuration: Unbalanced -Maximum Input Level 1 kHz @ 1% THD -RF Output Antenna Type: Integrated Single-Band Helical -Occupied Bandwidth: < 200 kHz -Modulation Type: Shure Proprietary Digital -Power: 1 mW, 10 mW, 20 mW (Varies by Region) -Battery Type 2x LR6 AA Batteries 1.5 V -Shure SB900 Rechargeable Li-Ion - . . .

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Transmitter
-Mic Offset Range 0 to 21 dB (in 3 dB Steps)
-Frequency Band J50: 572 to 636 MHz
-Audio Input Configuration: Unbalanced
-Maximum Input Level 1 kHz @ 1% THD
-RF Output Antenna Type: Integrated Single-Band Helical
-Occupied Bandwidth: < 200 kHz
-Modulation Type: Shure Proprietary Digital
-Power: 1 mW, 10 mW, 20 mW (Varies by Region)
-Battery Type 2x LR6 AA Batteries 1.5 V
-Shure SB900 Rechargeable Li-Ion
-Battery Life Shure SB900: > 11 Hours @ 10 mW
-Alkaline Batteries: > 11 Hours @ 10 mW
-Housing Machined Aluminum
-Dimensions (Ø x L) 2 x 10.1″ (51 x 256 mm)
-Weight 12 oz (340 g)

Microphone
-Type Condenser (Electret Biased)
-Frequency Response 50 Hz to 20 kHz
-Polar Pattern Supercardioid
-Sensitivity -52.5 dBV/Pa (2 mV), 1 Pascal=94 dB SPL @ 1kHz, open circuit voltage
-Maximum SPL 140.5 dB @ 1 kHz @ 1% THD, 1 kOhm load
-Signal to Noise Ratio 70.5 dB referenced @ 94 dB SPL @ 1 kHz (S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted)
-Dynamic Range 117 dB @ 1 kHz @ 1 kOhm load
-Clipping Level -6 dBV (0.5 V), @ 1 kHz @ 0.25% THD, 1 kOhm load
-Self Noise 23.5 dB (typical, equivalent SPL; A-weighted)

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