The Ultimate Support MS-90/45B is a professional 45-inch studio monitor stand (pair) designed for studio speakers in recording, mixing, and home studio setups.

Key details

• Model: MS-90/45B (Black finish)
• Height: 45 in (1145 mm)
• Load capacity: up to 75 lbs (34 kg) per stand
• Material: 6000-series aluminum column
• Base: ~19" diameter for stability
• Top plate: ~10.25" × 10.25"
• Weight: ~10–11 lbs per stand (varies slightly by source)

Main features

• Sonic isolation / decoupling pads to reduce vibration transfer to the floor
• Three internal channels
  • Cable management (audio/power routing)
  • Fillable channel for sand/shot to increase stability
• Spiked + rubber feet system for isolation and grip
• Designed for nearfield studio monitors in professional or home studios

What it’s used for

• Studio monitors (KRK, Yamaha HS series, Adam Audio, etc.)
• Improving stereo imaging and bass accuracy by isolating speakers from desk/floor vibration
• Clean cable routing for studio setups

Quick note

The “45/45B” refers to:

• 45 = height (45 inches)
• B = Black color