QSC LS118
Professional music gear - detailed information and where to buy
QSC
LS118
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The LS118 is a serious subwoofer, no doubt. It delivers bone-rattling low-end with incredible clarity, thanks to that powerful Class D amp and well-engineered driver. Ideal for touring bands, large venues, and anyone needing truly impactful bass reinforcement.
Product Description
- QSC LS118
- Active High-Performance Subwoofer
- Power: 4000 watts
- Class D
- Equipped with: One 18" long-throw woofer
- Frequency response: 35 - 111 Hz (-10 dB)
- Max. sound pressure level: 138 dB (peak)
- 2.4" multi-function display with rotary encoder and selection buttons
- Signal LEDs for limiter and power
- DEEP mode emphasises low frequencies
- Omnidirectional or cardioid characteristics with up to -15 dB rear sound attenuation (cardioid setup requires at least 2x LS118)
- QSC SysNav (System Navigator) app for individual subs and complete L-Class system
- Dante network
- Eight M10 and two M20 threads
- 15 mm birch multiplex housing with polyurea coating
- Front grille made of powder-coated steel (16 gauge)
- Four low-noise castors without brakes
- Power consumption: 230 V / 1.7 A
- Dimensions (W x H x D): 520 x 640 x 790 mm
- Weight: 50 kg
- Colour: Black (RAL 9011)
- Includes PowerCON TRUE1 power cord
- Six-year QSC warranty upon product registration
*Connectors:*, One input: XLR male, One output: XLR female, Two EtherCON RJ45 (Dante and QSC SysNav In/Thru), Two PowerCON TRUE1 with sealing caps (In/Out)
PROS
- • Robust 15mm birch multiplex housing offers exceptional durability and resonance control.
- • The Class D amplifier delivers immense power without excessive heat or weight.
- • SysNav app provides granular control and system optimization capabilities.
- • Cardioid mode effectively minimizes rear sound radiation for focused stage monitoring.
CONS
- • The weight makes transportation a significant consideration for smaller rigs or solo operators.
- • Dante networking requires compatible infrastructure and technical understanding.
- • Cardioid functionality truly shines with multiple units, limiting single-unit versatility.
Product Video
Key Features
Power (Watts)
4000
Woofer Size
18"
Frequency Range
35 - 111 Hz
Max SPL
138 dB
Crossover
N/A (Active Subwoofer - internal)
Weight
115 lbs
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Frequently Asked Questions
DEEP mode boosts the sub-bass frequencies, providing a more pronounced low-end feel, but can muddy the sound if overused or with unsuitable material.
While analog connections are possible, the Dante networking capability unlocks advanced system control and integration features, especially within a larger QSC ecosystem.
The LS118’s response extends a bit deeper than many competitors, offering a more authoritative presence in the very low frequencies, but the real difference lies in the clean power delivery.
