What subwoofer does this base plate work with?

The JBL SRX906LA BP Base Plate is designed for the JBL SRX906LA compact line array subwoofer and requires an M20 pole mount adapter for proper connection via M20 screw attachment.

How many subwoofer arrays can I stack with this base plate?

This base plate supports stacking of up to six SRX906LA arrays, allowing you to scale your low-frequency deployment across large festival stages, touring rigs, or installations.

Can I adjust the angle of the subwoofer on this base plate?

Yes, the base plate offers an adjustable angle range from −15 to +5 degrees, letting you fine-tune coverage patterns to match your venue's acoustics and stage layout.

How do I secure this base plate permanently to a stage or structure?

Three M10 through-holes allow you to bolt the base plate directly to stage decks or support structures for maximum security in permanent installations or high-traffic touring environments.

What are the dimensions and weight of this base plate?

The base plate measures 19.3 x 17.5 x 2.2 inches (490 x 445 x 55 mm) and weighs 9.3 lb (4.2 kg), offering a compact footprint that balances stability with portability for touring and festival use.

Do I pay sales tax on this order?

We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. On this item that is roughly $40 less out the door than the same listed price at a national retailer or on a marketplace. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.

JBL SRX906LA BP Base Plate

The SRX906LA BP Base Plate is a robust steel foundation system designed for ground-level deployment of JBL's compact line array subwoofers. This accessory transforms the SRX906LA into a versatile tool for studio monitoring setups, mobile recording rigs, and permanent installation spaces where precise angle control and reliable stacking capability are essential for capturing tight low-end in your mix.

Structural Design & Stability

Steel construction provides durability and consistent performance across recording sessions and location work. The base plate measures 19.3 x 17.5 x 2.2 inches (490 x 445 x 55 mm) and weighs 9.3 lb (4.2 kg), offering a footprint that balances stability with portability for studio-to-session flexibility. Three M10 through-holes allow permanent bolted attachment to flooring or support structures for control room installations requiring maximum security and isolation from floor vibration.

Mounting & Array Configuration

The M20 screw connection integrates seamlessly with compatible SRX906LA subwoofers using an M20 pole mount adapter, enabling quick setup and breakdown between sessions. An adjustable angle range of −15 to +5 degrees permits fine-tuning of coverage patterns to match room acoustics and optimize low-frequency response at your mix position. The base plate supports stacking of up to six SRX906LA arrays for scalable low-frequency deployment when expanding monitoring capability or deploying multi-sub configurations for critical tracking and mixing environments.

Key Features

Steel construction for durability and consistent performance
Dimensions: 19.3 x 17.5 x 2.2 inches (490 x 445 x 55 mm)
Weight: 9.3 lb (4.2 kg)
M20 screw connection to compatible SRX906LA subwoofers
Requires M20 pole mount adapter for proper attachment
Three M10 through-holes for permanent bolted installation
Angle adjustment range: −15 to +5 degrees
Supports stacking of up to six SRX906LA arrays
Enables ground-level deployment and flexible rigging configurations

The SRX906LA BP delivers the stable, adjustable foundation professional monitoring systems demand, whether deployed as a single unit for desktop mixing or as part of a multi-subwoofer array stack for room-filling low-end accuracy.

Condition	New
Country of Manufacture	Mexico