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Everything in Music Since 1958
Everything in Music Since 1958

On-Stage Stands SS7747 Crank-Up Subwoofer Attachment Shaft

Original price $169.27
Original price $169.27 - Original price $169.27
Original price $169.27
Current price $104.95
$104.95 - $104.95
Current price $104.95
♫ In stock
About Inventory Status


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In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions


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Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

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Crank It Up With The On-Stage Stands SS7747 Crank-Up Subwoofer Attachment Shaft

The SS7747 is designed for use with the new breed of compact high-powered subwoofers that utilize a M20 x 2.5 threaded pole mount. The threaded mount improves on the typical cup design by eliminating wobble and guaranteeing a perpendicular alignment between subwoofer and pole. The system effectively eliminates the perceptible lean often associated with subwoofer-mounted satellite setups and is a space-saving alternative to tripod speaker stands. 

Height adjustment is easy thanks to the SS7747’s folding hand crank. The pole’s rack and pinion components are constructed of diecast zinc and allow for a 12” travel. Turning the hand crank adjusts the SS7747 from 30” to 42” with a warning label indicating maximum height. Overall height range is determined by the size of the supporting subwoofer. In addition to the folding hand crank, the adjustment system features a friction safety knob and stabilizer ring. The upper shaft is constructed of heavy-duty 1.6mm extruded aluminum and fits speaker cabinets with 1-3/8” pole mount inserts. An optional SSA2 adapter allows the use of 1-1/2” inserts. The SS7747 is designed to support a properly balanced speaker of up to 75 lbs.





  • Mounts to subwoofer cabinets with M20 x 2.5 threaded inserts
  • Hand crank adjusts height from 30-42"
  • Weight: 5.5 lbs
  • Weight capacity: 75 lbs.


Manufacturer: On-Stage Stands
Model: SS7747V2
SKU: I284620-N-3-WHXD
UPC: 659814142910


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Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

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