KRK SUB S8.4

The KRK SUB S8.4 is a compact, active studio subwoofer designed to deliver precise, powerful bass for any music project. Equipped with an 8-inch composite woofer made of glass and aramid fiber, along with a Class D amplifier, the KRK SUB S8.4 provides clean, accurate sound with fast response and exceptional control. A four-position crossover switch allows for easy integration of the subwoofer with various studio monitors.

The KRK SUB S8.4 pairs perfectly with both KRK monitors and other studio monitors, offering an extended low-frequency range for optimal mix sound. The unique footswitch bypass feature allows you to quickly switch to full-range audio on the monitors without turning off the subwoofer. The KRK SUB S8.4 not only provides deep bass but also offers a rich set of features, taking subwoofer audio quality to a new level.

Key Features

• 8-inch composite woofer made of glass and aramid fiber, delivering precise and deep bass
• Bass extension down to 29 Hz with a maximum SPL of 112.8 dB
• Bypass option via footswitch for quickly muting the subwoofer and activating full-range sound
• Redesigned low-profile cabinet with front bass-reflex port to reduce distortion
• Powerful Class D amplifier for improved dynamics and audio accuracy
• Adjustable four-position crossover for easy integration with monitors
• Universal input connections: XLR, 1/4" TRS, and RCA
• Polarity and input sensitivity adjustments
• Ground lift switch to prevent ground loops

Specifications

• Type: Active front-firing, vented subwoofer
• Woofer: 8-inch composite woofer made of glass and aramid fiber
• Frequency Response: 34.5 Hz – 133 Hz
• Max SPL: 112.8 dB
• Amplifier: Class D, continuous power of 109 W
• Crossover: Four-position, bypass option (optional footswitch)
• Inputs: XLR L/R, 1/4" TRS L/R, RCA L/R
• Outputs: XLR L/R, 1/4" TRS L/R, RCA L/R
• Power Supply: 100–240 VAC
• Enclosure: Reinforced MDF, black vinyl wrap finish
• Dimensions: 279 mm (H) x 410 mm (W) x 292 mm (D)
• Weight: 12 kg