BluFusion KWS-640 2.1 channel speaker system with digital screen
 
Device
AC input: 100V-240V - 50/60Hz (autosensing)
Reference RMS power: 56W
Sound enhancement technology: Powerful bass driver unit and advanced DSP technology
Standby mode: Yes
 
Satellite speaker
Driver unit: 3 inches
Frequency: 110Hz ~ 20kHz
Impedance: 4Ω
Reference RMS power: 28W (14W per channel)
Sensitivity: ≥40dB
Signal to noise ratio: ≥70dB
Sound pressure level (S.P.L.): ≥80dB
 
Subwoofer
Driver unit: 5.25in
Frequency: 30Hz-90Hz
Impedance: 8Ω
Reference RMS power: 28W
Sensitivity: ≥40dB
Signal to noise ratio: ≥70dB
Sound pressure level (S.P.L.): ≥75dB
 
Connectivity
Connection type: Bluetooth®-compatible, NFC and 3.5mm
Memory card slot: USB/SD™
Wireless range: 49ft
Wireless RF frequency: 2.4GHz