dB Technologies SUB 618 - 18" 600W Active Subwoofer
Overview:
The dB Technologies SUB 618 18" 600W Active Subwoofer delivers strong, controlled low frequencies for professional sound reinforcement. Its 18″ transducer works with a 600 W RMS Class D amplifier to reach up to 133 dB SPL. The plywood enclosure balances durability with portability. Flexible input, output, polarity, and EQ controls also make the SUB 618 practical for live events and permanent installations.
Key Features:
• 18″ Low-Frequency Driver: The 18″ transducer produces extended bass response, giving full- range systems greater low-frequency impact.
• 600 W RMS Class D Amplification: The efficient amplifier provides substantial output while supporting clear and dependable subwoofer performance.
• Flexible Signal Configuration: Selectable balanced input and output modes simplify integration with different professional sound system configurations.
• Link or Xover Output: Choose Link or Xover operation to connect the subwoofer within your system with greater flexibility.
• FLAT or BOOST Operation: Switch between natural low-frequency response and enhanced bass output to suit different performance requirements.
• Adjustable Polarity: The polarity switch helps align the subwoofer with full-range speakers for improved system integration.
• Durable Portable Cabinet: The lightweight plywood enclosure features a scratch-resistant finish and side handles for easier transportation.
Specifications:
• Speaker Type: Active Subwoofer
• Frequency Response [-10dB]: 35 – 130 Hz
• Max SPL (1 m): 133 dB
• Directivity: Omnidirectional
• LF Driver Size: 18″
• LF Voice Coil: 2.5″
• Amp Technology: SMPS digital amplifier
• Amp Class: Class D
• RMS Power: 600 W
• Peak Power: 1200 W
• Controller: 28/56 bit DSP
• Limiter: Peak, Thermal, RMS
• Subwoofer Level: Yes
• Outputs Mode: Link or Xover
• Polarity Switch: Yes
• Subwoofer Mode: FLAT or BOOST
• Signal Input: 2x XLR (balanced)
• Signal Output: 2x XLR (balanced)
• Housing: Plywood
• Grille: Full metal grid
• Pole Mount: M20
• Width: 500 mm (19.69 in)
• Height: 625 mm (24.60 in)
• Depth: 690 mm (27.17 in)
• Total Weight: 31.1 kg (68.57 lbs)
Professional Low-Frequency Performance
The dB Technologies SUB 618 suits mobile DJs, live events, and permanent sound installations. Its 18″ driver, powerful amplification, and flexible controls support demanding PA applications. The M20 pole mount also allows straightforward integration with full-range speaker setups.