SoundQubed S1-2500.1 S Series Monoblock Amplifier

Product Overview Following the massive footsteps of our most popular mono amp, the S1-2500.1 monoblock car amp has improved circuitry than its predecessor, the S1-2250. The advanced and new circuit board helps to keep its overall operating temperature low, produce more power, and the latest technology to help prevent internal damage. High-quality class D amp design keeps your amplifier cool, guarantees low rates of total harmonic distortion, and prevents its high output performance from damaging your car. To enjoy the full power this amplifier offers, you will need an upgraded electrical charging system. The S1-2500.1 drives an immense 3000 watt load at 1 ohm on 16 volts and 2500 watts on 14.4 volts at one ohm. This monoblock amp is ready to drive your choice of HDS2.3’s, HDS3.3’s, or HDX3.2 Subwoofers in the 1200 Watts RMS and 1500 Watts RMS Power Bands. Strappable for 5000 watts at 2 ohms, this budget King mono block amp is capable of and ready for Sound Pressure Level competitions and anything else your car stereo can throw its way. The S1-2500.1’s screw terminals accommodate up to 1/0 AWG power wire and up to 10 gauge speaker wire. Find everything you need to install this amplifier with our Zero Gauge Amp Kit. To secure a long life for your new amplifier, a remote gain control knob is included with your S1-2500.1. The LED indicator alerts you straight away to the presence of clipping signals that can quickly burn or separate your subwoofer voice coils, as well as create bubbles in your former. We include the remote gain knob to help you avoid costly and needless damage to your gear. Utilize this in tandem with the VM-1 to keep a close eye on your voltage with 60 voltage checks per second for near real-time precision readings. You’ll love your new S1-2500.1 Mono Amp- From the hard rhythmic hits of a bass drop to the subdued thump of a soft kick, you’ll be able to hear and feel all the detail, impact and precision in your sound system’s low end! Disclaimer: This amplifier will require an additional charging system to run efficiently. It will run without the additional charging system but you run the risk of damaging the amplifier and/or not getting the optimum power out of it. The additional charging system includes the Big 3 upgrade , a high output alternator, as well as adding an AGM or Lithium car audio battery. All of our amplifiers are age tested for an hour before going into stock. Single channel 2500 Watts RMS @ 1 Ohm Class D 1 Ohm stable 1/0 AWG power inputs Charging system upgrades necessary Model S1-2250 Class Class D Channels 1 Channel Working Voltage 8.5 V - 16 V Maximum Amperage 225 Amps Power @ 4 Ohm 14.4V 1000 Watts RMS Power @ 2 Ohm 14.4V 1600 Watts RMS Power @ 1 Ohm 14.4V 2500 Watts RMS Frequency Response 10 Hz - 250 Hz S/N Ratio Greater than 92 Damping Factor Greater than 93 Input Sensitivity 5 V - 0.15 V Subsonic Filter 10 Hz - 50 Hz Low-Pass Filter 20 Hz - 200 Hz Dimensions in (LxWxH) 15.39" x 7.75" x 2.44" Warranty Information SoundQubed warrants all products to be free from defects in materials and workmanship for normal use and service for a period of time not to exceed 12 months for subwoofers, components, earbuds and coaxial and 12 months for amplifiers from the original date of retail purchase. Parts returned must be determined by SoundQubed to be defective prior to any warranty credit or replacement is issued. SoundQubed’s obligation under warranty shall be limited to repairing or replacing, at its discretion, any part proven defective. The customer must prepay transportation charges. Final determination of the suitability of the products for the use contemplated by the buyer is the sole responsibility of the buyer. Warranties are non transferable. Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 5 Great amplifier Posted by Memphis Houston on 10/22/2025 Best bang for the buck in a small system!!! Small footprint; BIG BANG!