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The Quest Qi18S subwoofer delivers deep, controlled bass and high-output performance for demanding music playback and sound reinforcement in fixed installations. Its high-power, ultra-long-excursion 18-inch driver provides exceptional low-frequency extension with clarity and authority. The robust, low-profile hardwood enclosure offers flexible installation with Speakon and Euroblock connectivity for broad system compatibility. Optimised for seamless integration with Qi Series loudspeakers and QXD amplifiers, the Qi18S features dedicated DSP presets and advanced control for consistent, high-performance audio across diverse applications.
Key Specifications:
- Impedance: 8 Ω
- Transducers: 18″ LF
- Power: 1000W RMS
Specifications:
| FREQUENCY RESPONSE (-6 dB) |
35Hz to 140Hz
|
| SENSITIVITY - 1 W @ 1 m |
98.5dB
|
| MAXIMUM SPL @ 1 m |
135dB
|
| POWER HANDLING (RMS/PEAK) |
1000W / 2000W
|
| NOMINAL IMPEDANCE |
8Ω
|
| TRANSDUCERS |
LF: 457mm (18") Woofer
|
| DISPERSION (H° x V°) |
Omnidirectional
|
| CONNECTIONS | |
| CONNECTIONS |
Euroblock/Phoenix Connector - 5.08mm Pitch (In/Thru)
|
| RIGGING POINTS |
None
|
| DIMENSIONS (H x W x D) |
510 x 790 x 600mm (20 x 31.1 x 23.6")
|
| WEIGHT |
46.7kg (103lb)
|
| SHIPPING WEIGHT |
48kg (105.9lb)
|
| SHIPPING DIMENSIONS (H x W x D) |
585 x 860 x 670 mm (23 x 33.9 x 26.4")
|
| CABINET MATERIAL & FINISH |
Marine Plywood with Polyurea Coating
|
| GRILLE MATERIAL & FINISH |
Aluminium with Acoustic Fabric Cover
|
| RECOMMENDED POWER AMPLIFIER |
Quest QX or QXD Amplifiers
|
| ACCESSORIES (INCLUDED) |
Euroblock/Phoenix Connector, Cover Plate
|
| ACCESSORIES (AVAILABLE SEPARATELY) |
None
|
