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QS Series amplifiers are all about efficient design capable of full-range frequency response at a great price!

The QS1200.4 features a regulated power supply that is able to constantly deliver power and provides an unsurpassed efficiency rate of 80–90% in a small aluminum heatsink.

• 4 x 310 watts TRUE RMS certified at full range output Digital Class D Brazilian Technology
• 4 Channel car audio amplifier stable at 2 Ohm gives you the benefit of wiring multiple speakers and dividing the power per channel.
• Engineered to be the most efficient full range amplifier so that you can get the most out of your vehicle’s electrical system!
• A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 8.42″ Wide x 7.90″ Length x 2.65″ Height
• 2 Channel Bridged – double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 600 Watts RMS.

The QS series is our most recent line of full bridge high wattage amplifiers. You can count on these amplifiers to deliver incredible value for your money. QS Series 4 Channel amplifiers, also are available on QS400.4 and QS800.4

Its wide frequency response allows you to use it in many different applications, such as subwoofers, midbass, midrange, full range speakers, phenolic drivers, titanium drivers, and super tweeters, among others. This versatile amplifier is the perfect solution for daily car audio systems.