KRK KRK V4S4 Active Studio Monitor White

Code: KRK V4S4 Active Studio Monitor White
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KRK V4S4 Active Studio Monitor White

The KRK V4S4 Studio Monitor is a 4-inch, bi-amplified active studio monitor featuring a 4-inch custom woven Kevlar woofer and a 1-inch custom Kevlar tweeter. At the heart of the KRK V4S4 is a high-quality, bi-amped Class-D amplifier that delivers exceptional transient speed ranging up to 110 dB of SPL. This two-way, full-range studio monitor is designed to provide incredible accuracy and rich sound, ideal for mixing and mastering applications. A front-firing bass reflex port is also included for improved low-end response, delivering extra punch in the bass section.

Bi-Amplified Reference Monitor

The KRK V4S4 is a two-way, full-range studio reference monitor designed to deliver extreme accuracy and superior control. The V4S4 builds on the success of KRK's innovative studio monitor range, combining the best of modern technology while retaining the classic principles that produced the high-quality reference monitors. The V4S4 Active Studio Monitor includes a 1-inch KRK designed Kevlar tweeter, accompanied by a 4-inch lightweight custom woven Kevlar woofer. The Kevlar construction for both the woofer and tweeter ensures a smooth midrange, combatting against colourisation. The two-way design is driven by the 85 Watt custom, bi-amped Class-D amplifier that provides immense power for exceptional audio quality.

Ideal For Mixing & Mastering

The custom designed tweeter and woofer deliver exceptional audio fidelity, capturing every nuance of your original source audio as it was intended. The extreme sound reproduction is ideal for mixing and mastering purposes. The bi-amplified design delivers a pristine and silky high-end with a tight, punchy end as well as exceptional stereo imaging and superior transient speed. The front-firing optimised bass reflex enclosure provides added punch on the low-end, ideal for referencing bass sections that can normally be hard to hear. The rich and highly-detailed sound makes it ideal for mixing, allowing you to make subtle changes you can clearly hear.

49 DSP Equalisation Presets

One of the most unique and useful features of the KRK V4S4 Active Studio Monitor is the 49 DSP driven EQ presets. These varied presets are ideal for catering to different rooms/desks for audio optimisation. The user selectable presets ensure optimal performance for room acoustics and placement anomalies. The presets were developed by the KRK design team, analysing hundreds of monitor placement and room acoustic situations to deliver the most useful tools for audio performance.

Design & Construction

The KRK V4S4 Active Studio Monitor features the classic KRK design and high-quality construction. The solid aluminium front-baffle helps to stabilise and improve transient response and imaging. This monitor also comes complete with robust EVA foam pad for non-skid and acoustic isolation, helping to improve the monitor's performance in a range of environments. Universal threaded mounting bracket points are also included for easy mounting capabilities. The sleek design features a precise input level attenuation switch, as well as a standby, ground lift, input sensitivity and logo LED selectors. Additionally, the studio monitor comes complete with an optional protective grille for mobile broadcast applications.


  • KRK custom designed 1-inch Kevlar tweeter
  • KRK custom designed 4-inch Woven Kevlar woofer
  • Optimized front ported bass reflex enclosure design
  • Bi-amped Class-D amplification
  • Acoustic and desk loading condition correction Low Frequency EQ’s
  • Mid and High Frequency EQ’s
  • 49 different DSP driven EQ presets give you superior control for room/desk correction as well as personal taste
  • Precise input level attenuation switch
  • Standby, ground lift, input sensitivity, and logo LED selectors
  • Optional protective grille included for mobile broadcast applications
  • Friction lock, Neutrik combo (XLR and TRS) connector
  • Robust EVA foam pad for non-skid and acoustic isolation
  • Universal threaded mounting bracket points


  • Configuration: 2-Way
  • System Type: Active studio monitor
  • Low-Frequency Transducer: Woofer, 4-inch, cast aluminium frame, Kevlar cone, ferrite magnet
  • High-Frequency Transducer: Tweeter, 1-inch, Kevlar dome, ferrite magnet
  • Frequency Response (+/- 3dB): 58Hz – 19kHz
  • Frequency Range (-10dB): 50Hz – 24kHz
  • Crossover Frequency: 2.1kHz
  • Power: LF (55 Watts), HF (30 Watts), Total (85 Watts)
  • Peak SPL: 110 dBSPL
  • Connectors: Balanced 10k Ohms XLR / ¼-inch combo input, standard IEC power
  • Level Attenuation: -3.0dB, -2.5dB, -2.0dB, -1.5dB, -1.0dB, -0.5dB, 0dB
  • System Settings: A (Ground Lift), B (Input -10dBV / +4dBu), C (Standby On/Off), D (Logo LED On/Off), E (Logo LED Bright/DIM
  • Low Control:
    • L1: Low Shelf -3dB 75Hz
    • L2: Low Shelf -1.5dB 75Hz
    • L3: -2dB 75 Hz / Low MID Peq – 2dB 200 Hz
    • L4: Flat
    • L5: Low Mid Peq -2dB 200Hz
    • Low Shelf +1.5dB 75Hz
    • Low Shelf +3dB 75Hz
  • High Control: Auto-Standby: 30 mins
    • H1: High Shelf -2dB 10kHz
    • H2: High Shelf -1dB 10kHz / High Mid Peq -1dB 3.5kHz
    • H3: High Mid Peq -1dB 3.5kHz
    • H4: Flat
    • H5: High Mid Peq +1dB 3.5kHz
    • H6: High Shelf +1dB 10kHz / High Mid Peq +1dB 3.5kHz
    • H7: High Shelf +2dB 10kHz
  • Enclosure Construction: MDF, Aluminium
  • Grille (optional): Perforated steel, powder coated, covers both TWR and WFR
  • Hardware: Tool for switches including with unit, threaded inserts on bottom of enclosures compatible with KRKSTDX4A1 pole mount adapter and KRKSTDX8A1 wall mount
  • Dimensions (HxWxD): 256mm x 166mm x 218mm
  • Weight: 5.8kg

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