Harman JBL QUANTUM 910 WIRELESS, Owner'S Manual

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Product Specifications
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Model: QUANTUM910WIRELESS
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Driver size: 50 mm Dynamic drivers
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Frequency response (Passive): 20 Hz - 40 kHz
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Frequency response (Active): 20 Hz - 20 kHz
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Microphone frequency response: 100 Hz - 8 kHz
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Max input power: 30 mW
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Sensitivity: 111 dB SPL / 1 mW
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Maximum SPL: 93 dB
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Microphone sensitivity: -38 dBV / Pa @1 kHz
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Impedance: 32 ohm
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2.4GHz Wireless transmitter power: <13 dBm
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2.4GHz Wireless modulation: GFSK, π/4 DQPSK
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2.4GHz Wireless carrier frequency: 2400 MHz - 2483.5 MHz
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Bluetooth transmitted power: <13 dBm
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Bluetooth transmitted modulation: GFSK, π/4 DQPSK
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Bluetooth frequency: 2400 MHz - 2483.5 MHz
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Bluetooth profile version: A2DP v1.3, HFP v1.8
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Bluetooth version: BT Core v5.2
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Battery type: Li-ion battery (3.7 V / 1300 mAh)
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Power supply: 5 V 2 A
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Charging time: 3.5 hrs
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Music play time with BT+2.4GHz on and ANC+RGB lighting off: 34 hrs
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Talk time with BT+2.4GHz on and ANC+RGB lighting off: 38 hrs
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Music play time with only 2.4GHz on and ANC+RGB lighting off: 39 hrs
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Talk time with only 2.4GHz on and ANC+RGB lighting off: 44 hrs
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Music play time with only BT on and ANC+RGB lighting off: 45 hrs