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S1-850 Monoblock Amplifier

  • Damping Factor
  • Frequency Response
  • Input Sensitivity
  • Low Pass Filter
  • Power @ 14.4V @ 1% THD (1 ohm)
  • Power @ 14.4V @ 1% THD (2 ohm)
  • Power @ 14.4V @ 1% THD (4 ohm)
  • Power @ 16V @ 1% THD (1 ohm)
  • Signal/Noise Ratio
  • Subsonic Crossover Range
  • Working Voltage

$ 159.00 $ 150.99 150.99 USD

$ 159.00

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Damping Factor: Greater than 100
Frequency Response: 10 Hz - 200 Hz
Input Sensitivity: 5 V - 0.15 V
Low Pass Filter: 20 Hz - 200 Hz
Power @ 14.4V @ 1% THD (1 ohm): 900 Watts RMS
Power @ 14.4V @ 1% THD (2 ohm): 625 Watts RMS
Power @ 14.4V @ 1% THD (4 ohm): 375 Watts RMS
Power @ 16V @ 1% THD (1 ohm): 1070 Watts RMS
Signal/Noise Ratio: Greater than 80
Subsonic Crossover Range: 10 Hz - 50 Hz
Working Voltage: 8.5 V - 16 V

Two-year manufacturer defect warranty.
Free Shipping in the contiguous U.S. 

Over 900 Watts of low-end in a mount-anywhere monoblock? Bass, please!


SoundQubed S1-850 MonoBlock Amplifier offers unrivaled class D power at an unbeatable price. This amp delivers more than 900 Watts RMS through one channel for subwoofer or array applications.


Mount the S1-850 just about anywhere. Our most affordable and compact monoblock car amplifier has a deceptively small form factor. You’ll be able to get big booming sound with over 1,000 Watts of continuous power (with strong voltage). 


Big power for small spaces. Save space in your ride and get the most out of your car stereo and subwoofers without sacrificing sound quality, space, or headroom.


This high-quality Class D car audio amp offers dominating peak power and is capable of 1070 watts rms at one Ohm on 16 volts and 900 watts at one Ohm on 14.4 volts, which makes it a useful tool for many sub installs and applications.


The heavy-duty printed circuit board features both thermal protection for high heat situations, as well as speaker protection. Of course, be sure to power-match your subs to the RMS power output for your car audio system voltage.


An on-board low pass filter lets your limit which frequencies are amplified, for ultimate performance out of your sub amp. The subsonic filter helps prevent extreme low-end distortion.


Additionally, a LED clipping indicator on the included bass remote gives you the subwoofer control to quickly avoid coil damage! The single-channel S1-850 has 4 gauge set screw power terminals and 10 gauge speaker terminals to pump clean power to your HDS2.1 subwoofer build maintains optimum sound quality and consistent voltage. 


This deceptively small beast of a mono amplifier does its job so reliably and efficiently, you’ll want two! If you need more wattage than this budget gem offers, the S1-850 mono amp is strappable to drive dominating bass as you level-up your build!