What we sell? SoundXtreme ST-5000.1 MonoBlock Amplifier 1 Ohm Stable 5000W w/ Remote Subwoofer Level Control Product Highlights: Looking for that amazing sound from your car stereo? It’s the job of an amplifier to magnify your music for sound that is powerful, clean, even, and uninterrupted. The Class AB amplifier, also known as the Stereo Amplifier, is typically the setup for powering subwoofers. They are designed to carry out the low-frequency / high-frequency sounds like deep bass and high treble and typically offer features (like bass boost) that are specific to subwoofers. The biggest challenge is finding the best stereo amplifiers in the market to power your subwoofer – and to simplify your search. This amplifier is for you.  It is the best amplifier for your money! Boost your subwoofer with this 5000 W digital SoundXtreme Stereo amplifier. Its 1 Ohm Stable technology, which uses better circuitry, maintains a clean power output to let your subwoofer perform without distortion. The remote sensing capability of this Class-AB amplifier detects the voltage of the connected speaker and switches itself on automatically. Four Class "AB" High-Current Dual Discrete Drive Stages. Class "AB" Technology MOSFET PWM Power Supply Bridgeable & TRI-Mode Operation Continuously Variable 12dB/Octave High Pass & 12dB/Octave Low Pass Crossover Subwoofer Variable Crossover for Deep Bass Control Enchanced Variable Bass Boost +18dB @ 50Hz. Chrome Plated RCA & RCA Power, Speaker Terminal. Soft Start & Muting. Overload, Thermal, Short Circuit Protection Power & Protection Indicator Remote Knob Level Control Technical Details:  Maximum Output Power : 5000W 2 OHMS @ 1% THD : 2500W x 1 4 OHMS @ 1% THD : 1800W x 1 1 OHMS @ 1% THD : 5000W x 1 Low Pass Filter : 50Hz ~ 250Hz High Pass Filter : N/A Frequency Response (-1dB) : 10Hz ~ 30kHz Signal to Noise Ratio : > 70dB Input Sensitivity : 200mV ~ 6V Input Impedance : 22k Ohms Operation Voltage (- Ground) : DC 12V Speaker Impedance : 1 Ohms Fuse Rating : 50A Dimensions (W x H x D) : 10.5 x 2.5 x 13.3 inches Package Contents: 
1 * Brand new ST-5000.1
1 * Remote Control Level
1 * Manual
1 * Screw & Tools Policy  
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// OUR RETURN / EXCHANGE POLICY
30 days full refund . We will pays for shipping 2-way for any defective units . Unwanted? Just return it ot us for full refund . NO QUESTIONS ASKED!