d&b audiotechnik SL-GSUB Cardioid Subwoofer (Used)

Tour‑tested, stage‑ready, and priced to move. The SL‑GSUB is the ground‑stack subwoofer designed to partner seamlessly with d&b’s flagship GSL and KSL systems, delivering massive, controlled low end with true cardioid directivity to keep energy off the stage and out of the room.

Free Shipping | Industry-tested | Cleaned and gig‑ready

Why it rocks

• Cardioid low‑frequency pattern dramatically reduces energy behind the array for tighter rooms and cleaner stages
• 3 × 21" high‑excursion neodymium drivers (2 front‑firing, 1 rear‑firing) for crushing output and control
• Active 2‑way bass‑reflex design with separate amp channels for front and rear driver sets
• Ground‑stacked by design (no rigging hardware) for fast deployment and rock‑solid stability
• Built to tour: marine‑grade plywood, tough polyurea coating, steel grills with water‑resistant backing
• Smart handling: stacking runners/indents, eight integrated side handles, and four rear transport wheels

Ideal for

• Stadiums, arenas, festivals, and large venues requiring deep LF extension with excellent rear rejection
• Touring and rental inventories where reliability, speed, and consistency are essential
• Installed systems that demand premium LF performance without stage bleed

Technical highlights

• System alignment: Designed for d&b GSL and KSL systems
• Directivity: Cardioid
• Drivers: 3 × 21" high‑excursion neodymium (2 front / 1 rear)
• Acoustic design: Active 2‑way bass‑reflex with independent amp channels for front and rear sections
• Frequency range: Approximately 30–65 Hz (application‑dependent extension up to ~33–84 Hz, per manufacturer description)
• Deployment: Ground‑stack only (no flying/rigging hardware)
• Enclosure: Marine‑grade plywood with durable PCP (polyurea) coating
• Protection: Front and rear perforated metal grills with sound‑permeable, water‑resistant fabric
• Handling: 4 recessed handles per side; 4 heavy‑duty rear wheels
• Stacking: Bottom runners and matching top recesses for secure stacking

Note: Specifications summarized from manufacturer materials. Exact performance depends on system configuration and processing.

What you get

• d&b audiotechnik SL‑GSUB cabinet
• Pre‑shipment testing and inspection
• Secure pro packaging and fast shipping

Amplification and processing required; sold separately.

UsedGear.com assurance

• Industry‑tested gear from pros with 20+ years in the game
• Fully functional, cleaned, and ready for showtime
• Fair, transparent service with fast shipping and support

Have questions about quantity, matching tops, or amplification? Contact us and we’ll help you build the right SL‑Series package.