JBL Speaker ASB6128 Dual 18″ Subwoofer

Description

JBL Speaker ASB6128 Dual 18″ Subwoofer

The JBL Speaker ASB6128 is a high-performance dual 18″ subwoofer built for powerful, low-frequency sound. It features two heavy-duty 18-inch drivers that deliver deep, thunderous bass, perfect for large venues and professional sound setups. Its durable construction ensures long-lasting performance even in demanding environments. The ASB6128 is ideal for concerts, clubs, theaters, and any place needing strong bass reinforcement. With JBL’s trusted quality, it offers reliable and impactful sound every time.

Full Specifications

Sound Performance

• Frequency Range: 27 Hz to 1 kHz (very deep bass response)

• Power Handling: 2000 watts continuous, 8000 watts peak

• Maximum SPL: Up to 138 dB (very loud and clear output)

• Sensitivity: 99 dB (efficient at converting power to sound)

• Impedance: 4 ohms

Speaker Drivers

• Woofers: Two 18-inch JBL 2043-G drivers

• Voice Coil: 4 inches (for handling high power and heat)

Design & Build

• Enclosure Type: Front-loaded, vented cabinet

• Material: Strong 18 mm birch plywood

• Finish: Black DuraFlex™ paint

• Grille: Steel with black foam backing for protection and sound clarity

Connectivity

• Inputs:

  • 2 x Neutrik Speakon NL4 connectors

  • 1 x Terminal strip for wire connections

• Wiring Option: Dual drivers wired in parallel

Mounting & Rigging

• Suspension Points: 12 M10 threaded points for flying or secure mounting

Dimensions & Weight

• Height: 610 mm (24 in)

• Width: 1219 mm (48 in)

• Depth: 787 mm (31 in)

• Weight: 83.9 kg (185 lbs)

Best For

Perfect for clubs, concerts, theaters, stadiums, and large sound installations that need powerful and deep bass.