| აღწერა |
Active Noise Reduction (ANC)
Active noise reduction
Speaker size
28 mm
Maximum speaker input power
30 MW
Speaker frequency range
20 Hz – 20,000 Hz
Speaker bandwidth (music mode)
20 Hz –... |
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Replacement battery cartridge APC No. 140
Battery type Maintenance-free sealed lead-acid battery with thickened electrolyte: leak protection
Battery installation Closed battery cartridge
Expected... |
