Model 512 5.1 Channels Home Theatre Audio System Key Specifications / Special Features: 3000W PMPO 35 Watts RMS System Frequency Response : 55Hz - 20kHz Magnetically shielded Acoustically engineered cabinet Subwoofer 20Watts RMS 5.25" Woofer, 4 ohm Wooden cabinet Frequency response: 40Hz - 200Hz (-3dB) Built-in amplifier Power on/off button 3.5mm Stereo and RCA input jacks Power input: AC12V 3.5A Center & Satellite Speakers 15Watts RMS (3W x 5) 32mm, 8 ohm full range speaker Aluminum cabinet IR receiver on Center speakers Power on LED at the stand of each satellite speaker Frequency response: 150Hz - 20kHz IR Wireless Remote Control Master Volume Center, Rear, Bass levels System standby / Mute Default Setting Speaker Dimension: Subwoofer - 240L x 142W x 240H(mm) Satellites - - 90L x 50W x 170H (mm)