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AF characteristics
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Overall device
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Compander system Sennheiser HDX
Signal-to-noise ratio
(1 mV, peak deviation)
approx. 90 dBA
Total harmonic distortion (THD) ≤ 0.9 %
Output power at 2.4 V
5% THD, nominal deviation
2 x 100 mW at 32 Ω
High Boost +8 dB at 80 kHz
Limiter –18 dB to –6 dB in 6 dB steps, can
be switched off
Temperature range -10 °C to +55 °C (−13 °F to 158 °F)
Power supply 2 AA batteries, 1,5 V or
BA 2015 accupack
Nominal voltage 3 V battery
2.4 V rechargeable battery
Power consumption
at nominal voltage
with transmitter switched off
typically 140 mA
≤ 25 μA
Operating time approx. 4 to 6 hours
(depending on the volume level)
Dimensions approx. 82 x 64 x 24 mm
Weight (with batteries) Approx. 125 g