The award-winning Spinnaker by Edifier is an unprecedented sound system. Standing over 16 inches tall, the abstract shape is designed to be visually striking as well as enhance the audio performance. Spinnaker boasts a total of 6 separate amplifiers driving two silk domed tweeters, two 2 3/4" mid-range and two downward firing 4" bass drivers. Spinnaker is Bluetooth enabled (2.1+ EDR), allowing audio connectivity to any Bluetooth device. The multi-functional dome-shaped remote, controls track navigation, play-mute and volume adjustment within a 30' radius. An optical/auxiliary input port is available for connectivity to other multimedia devices. An output port allows an external subwoofer/speaker to be connected for additional bass performance, making Spinnaker a unique and versatile system. Specifications Total RMS Output Power: (THD+N testing level): 10% Treble: 10W x 2 Midrange: 10W x 2 Bass: 25W x 2 Distortion: (%) ≤0.5 Signal to Noise ratio dB (A) ≥90dBA Frequency range: 50Hz - 23kHz -10dB Frequency response: 68Hz - 20kHz +/-3dB on reference axis Crossover Frequencies: 135Hz, 3.2kHz Channel Separation: (dB) ≥45dBA Input sensitivity: 800mV +/-50mV Drive Units: Tweeter: 3/4(19mm) silk dome tweeter, Magnetically Shielded, 4-Ohms Midrange: 2 3/4 “ (70mm), Magnetically Shielded, 4-Ohms Woofer: 4" (116mm), Magnetically Shielded, 6-Ohms Audio input type: AUX, Bluetooth, Optical Audio output: Bass expansion for outboard subwoofer Adjustment: Wireless remote control Power supply: Input 100V – 240V AC, Output:20V/60W DC