you are looking at CT Sounds T-100.4!!! please any questions before bid are welcome i believe communication is the key between seller and customer. Return Policy: The piece is sold as is, final sale. There are no refunds. Item as been Check Before Load to and all working perfect fine. On Item Show A Sticker in Red that say if Removed Warranty are Void,So just to clear its Void Item are not New its Used by Me so no more Warranty are Valid to this Amp. Item Dimensions LxWxH 20 x 4 x 9 inches Voltage 14.4 Volts Manufacturer Thedinger Distribution Brand CT Sounds Number of Channels 4 About this item: Bring your music alive with this four channel car amplifier that features a MOSFET pulse width power supply to ensure your amplifier for car speakers can run for hours on end Compact steel chassis makes this amplifier easy to install in any vehicle or 4 channel car amplifier application; but don’t let the size fool you, this car stereo amplifier produces amazing sound quality Equipped with built in thermal, DC offset, overload and speaker short protection along with a Diode 6A60 for reverse polarity protection; sleep easy at night knowing your 4ch car audio amplifier is protected MOSFET pulse width modulated power supply and custom heat dissipation design will ensure the 4ch amplifier car audio runs cool for even the most demanding playlists 4 channel amplifier car audio with 160 watts RMS at 2-ohm load x 4-channels (14.4v); 100 watts RMS power at 4-ohm load x 4-channels (14.4v); 320 watts RMS at 4-ohm bridged x 2-channels (14.4v) Product Description CT Sounds T-100.4AB 4-Channel Car Amplifier The CT Sounds T-100.4AB 4-Channel Car Audio Amplifier will deliver the power you need to bring your music alive. This car audio amplifier multichannel is equipped with the highest-quality electronic components and a MOSFET pulse width power supply making it an extremely reliable and efficient option for your car stereo needs. Generate Dynamic Instability In The Atmosphere! The multichannel amplifier car audio features built-in 4-way circuitry protection protecting against high voltage, low voltage, over current, and high-temperature; sleep easy at night knowing your car stereo amplifier is protected. Whether you’re looking to cause a tectonic disturbance or generate dynamic instability in the atmosphere, the CT Sounds T-100.4AB has the power to create the sonic explosion you crave. T-60.4AB T-100.4AB T-500.1D T-1000.1D T-1500.1D T-2500.1D Channels 4 4 1 1 1 1 RMS Power: 1 Ohm @ 14.4v - - 500 Watts x 1-Channel 1000 Watts x 1-Channel 1500 Watts x 1-Channel 2500 Watts x 1-Channel RMS Power: 2 Ohms @ 14.4v 80 Watts x 4-Channel 160 Watts x 4-Channel 350 Watts x 1-Channel 700 Watts x 1-Channel 900 Watts x 1-Channel 1500 Watts x 1-Channel RMS Power: 4 Ohms @ 14.4v 60 Watts x 4-Channel 100 Watts x 4-Channel 200 Watts x 1-Channel 400 Watts x 1-Channel 450 Watts x 1-Channel 850 Watts x 1-Channel RMS Power: 4 Ohms @ 14.4v (Bridged) 160 Watts x 2-Channel 320 Watts x 2-Channel - - - - Frequency Response 10 Hz - 50 kHz 10 Hz - 50 kHz 10 Hz - 250 Hz 10 Hz - 250 Hz 10 Hz - 250 Hz 10 Hz - 250 Hz