The JS-SP50 is exactly what you need for your subwoofer/satellite speaker PA system. The Ultimate Support Jamstands JS-SP50 Adjustable Subwoofer Pole is a speaker / monitor stand from Ultimate Support. It’s adjustable in height from 31.5″ to 52.5″ and mounts between a subwoofer cabinet with a top mounting hole and a speaker with a bottom mounting hole (1.375″ for both). The JS-SP50 features both a friction locking knob and a security pin system and is made from durable steel.
Why customers choose it
Who it is for
Home and project studios, DJs and live sound users who want speakers at the right height and angle.
Specifications
| Part Number | 17509 |
|---|---|
| Height | 31.5″ – 52.5″ (800mm – 1334mm) |
| Upper Tube Size | 1.375″ (35mm) |
| Lower Tube Size | 1.375″ (35mm) |
| Weight Rating | 110 lbs. (50 kg) |
| Weight | 3 lbs. (1.4 kg) |
| Type | Speaker / monitor stand |
Good to know
- Ultimate Support part number 17509.
- Part of Ultimate Support’s JamStands series.
FAQ
How tall does it go?
Height: 31.5″ – 52.5″ (800mm – 1334mm).

































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