Model: VK-SPK-08
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Technical Specifications
Bluetooth: BT5.3
Chipset: ATS2853
Audio codec: SBC / AAC
Supported profiles: HSP，HFP，A2DP, AVRCP, CVC
Working distance: ≧15m
Driver size: 5.25''*1+2"*1
Frequency range: 50Hz-20kHz
S/N Ratio: ≥80dB
Rated power: ≥30W
Charging voltage: 8.2 V±0.25V
Charging Current: 5V / 2A
Standby current: ≤40uA
Sensitivity: 87±3dB
Impandance: 4Ω
AMP chipset: XA9220E
Battery capacity: 7.4V / 4000mAh
Battery type: 18650 Lithium-ion battery
Working time on one charge: ≥8H
Charging Time: ≤4H
Microphone type: Dynamic Microphone
Harmonic distortion: ≤3% at 1K Hz at 1W
Transmission Power: CLASS 2
Bluetooth transmission frequency: 2.4G～2.48G
Charging interface: TYPE-C
Size: 211.9*333*190.6mm
Weight: 2.95kg