Frequency Range (+/-3 dB) [Hz] 46 - 25,000Maximum SPL [dB] 101Crossover Frequency [Hz] 250 / 2500Crossover Principle 2½-wayHigh frequency driver, Quantity 2 x 21 mmHigh frequency driver, Diaphragm type Soft Textile DomeLow frequency driver, Quantity 4 x 3.5"Low frequency driver, Diaphragm type Aluminium Cone With Cloth CapLow frequency passive driver, Quantity 4 x 4.5"Low frequency passive driver, Diaphragm type Steel ConeEnclosure type Passive Radiators (4 pcs)Max. Amplifier Power Output [RMS watt] 4 x 50Amplifier Type Fully digital Class-D amplifiersConnection Input :HDMI ARC2 x Optical (TosLink)3.5 mm Mini JackConnection Output :SUB OutUSB Charge Output (5V/1A)Wireless Input(s) Bluetooth? 4.0 AAC & Apt-X-Magnetic ShieldingRecommended Placement :On-WallShelf or standCentre / SoundbarFunctions :Auto Source SelectBluetooth ReleaseDual Sound Mode (Wide/Focus)MutePower On/OffStandby (Auto Power) OffSource SelectVolume-Standby Power Consumption [W]