KRK S8G4 Review: The whole truth about these monitors

Alistair Vance
Written by Alistair Vance

March 17, 2026

KRK S8G4

KRK S8G4 Review: The whole truth about these monitors

Technical specs of KRK monitors

  • Driver: 8″ glass-aramid composite woofer
  • Power: 109 watts Class D amplifier
  • Frequency range: 34.5 Hz – 133 Hz
  • Max. sound pressure level: 112.8 dB
  • Signal-to-noise ratio: 92 dB
  • Crossover frequency adjustable
  • Bypass function via optional footswitch
  • Switches for standby function, ground/lift, polarity and input sensitivity
  • Two line inputs and outputs: XLR, 6.3 mm jack and RCA
  • Footswitch input: 6.3 mm jack
  • Built-in power supply 100 V AC – 240 V AC
  • MDF housing
  • Dimensions (W x H x D): 410 x 279 x 292 mm
  • Weight: 12 kg

Images

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

KRK S8G4 Review: The whole truth about these monitors

Additional Information

Customer Review Summary

KRK S8G4 Subwoofer Review

The KRK S8G4 is a powerful subwoofer that significantly enhances the low-end precision of any studio setup. Its impressive build quality is evident, and it integrates seamlessly with various monitors, including the KRK Rokit series and Adam monitors. The sound quality is commendable, offering clear and punchy bass that brings a new depth to music production and listening experiences.

Setting up the S8G4 is straightforward, with a comprehensive range of connectivity options including XLR, RCA, and jacks, allowing for easy integration into existing systems. The adjustable crossover settings make it versatile for different room sizes and types of music, ensuring that it can be tailored to personal preferences. Many users have noted that it eliminates port noise and resonances, providing a clean bass response without overwhelming other frequencies.

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While the subwoofer excels in delivering robust bass, some have mentioned it may not reach the extreme lows as effectively as larger models. However, it does an excellent job of rounding out the sound, making it a perfect addition for those looking to enhance their home studios without the need for excessive power.

Furthermore, the option to bypass the subwoofer with a footswitch is highly appreciated, simplifying the mixing process. The KRK S8G4 is particularly well-suited for smaller to medium-sized rooms, making it an ideal choice for home studios or multimedia setups. Overall, it is highly recommended for anyone seeking to improve their audio experience with quality bass performance.

Conclusion: If you are looking for a reliable and effective subwoofer to complement your monitors, the KRK S8G4 is an excellent choice, providing great sound quality and build without breaking the bank.



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Alistair Vance

Based in Bristol, Al has spent over a decade mixing local bands before specialising in hybrid studio consulting. He’s obsessed with the price-to-performance ratio, helping musicians achieve a "Radio Ready" sound without the need for a £50,000 Neve console. No fluff, just honest gear reviews to get your tracks sounding professional on a real-world budget.

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