D&B Audiotechnik B2 Subwoofer

D&B audiotechnik B2-SUB

The d&b B2-SUB is a high-powered subwoofer designed to provide deep, controlled low-frequency reinforcement in concert touring and large venue installations. With its dual 18″ drivers in a bandpass-horn design, it delivers extreme SPL output and low distortion.

Key Specifications

• Drivers: 2 × 18″ long-excursion LF drivers
• Design: Bandpass horn-loaded enclosure
• Frequency Response:
  • Standard Mode: 37 Hz – 90 Hz
  • Infra Mode: 32 Hz – 68 Hz
• Power Handling:
  • Continuous: 600 W RMS
  • Peak: 2400 W
• Maximum SPL (1 m):
  • 139 dB (Standard Mode)
  • 136 dB (Infra Mode)
• Impedance: 4 ohms

Cabinet & Build

• Construction: Marine plywood with hardwearing paint finish
• Grille: Rigid metal grille with acoustic foam backing
• Handles: 8 integrated handles
• Mobility: Four heavy-duty wheels on rear
• Dimensions (H × W × D): 580 × 1160 × 920 mm
• Weight: Approx. 102 kg

Features

• Switchable between standard and infra modes
• Cardioid Subwoofer Array (CSA) capable with proper configuration
• Compatible with d&b amplifiers such as D12, D20, and D80
• Designed for ground stacking; can be paired with mid/high cabinets or other subwoofers

Ideal Applications

• Arena and stadium touring
• Outdoor festivals
• High-output FOH systems
• Bass extension for point-source or line array setups