Description
The Blackline Q218 is a high-performance dual-driver passive subwoofer engineered to deliver exceptional low-frequency output for professional sound reinforcement systems. Featuring two high-excursion 18-inch drivers, the Q218 extends system response down to 38Hz while producing powerful, impactful bass with outstanding clarity and control. Designed to complement Blackline Q Series loudspeakers, it is ideal for live music venues, festivals, nightclubs, corporate events, houses of worship, and large-scale portable sound applications.
More Information
Key Features
- High-performance dual-driver passive subwoofer
- Dual 18″ (460mm) high-excursion drivers
- 4″ (100mm) voice coils
- Peak SPL of 142dB (148dB with crest factor 4)
- Extended low-frequency response down to 38Hz
- Durable plywood enclosure
- Slot-ported design for reduced air noise
- Perforated steel grille with scrim backing
- M20 threaded pole-mount socket
- 4Ω nominal impedance
- Integral ergonomic handles
- Vertical or horizontal operating orientation
- Recessed design for secure horizontal stacking
- M10 flying inserts
- Optional castor mounting provision
- Three NL4 connectors
Technical Specifications
- Type: High-Performance Dual 18″ Driver Subwoofer
- Frequency Response (4π): 38Hz – 100Hz (±3dB)
- Low Frequency Extension: 31Hz (-10dB)
- Driver: 2 × 18″ (460mm) Drivers with 4″ (100mm) Long-Excursion Voice Coils
- Rated Power: 1600W AES, 6400W Peak
- Sensitivity: 104dB
- Maximum SPL: 136dB Continuous, 142dB Peak, 148dB Peak (Crest Factor 4)
- Nominal Impedance: 4Ω
- Dispersion: Omnidirectional
Dimensions (W × H × D)
- 536 × 1206 × 690 mm
- 21.1 × 47.5 × 27.2 in
Weight
- 82.5 kg (181.9 lbs)







