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QSC E-Series E218sw 18″ Double Passive Subwoofer


The E218SW from QSC is a direct radiating subwoofer featuring dual 18″ woofers that offer a frequency range of 32 to 230 Hz with an SPL of 136 dB. Each 18″ woofer is made with a die-cast aluminum frame and 4″ voice coil that when combined, offer a power handling capability of 1200W continuous and 4800W peak.

KSh 94,999.00 KSh 100,000.00

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The QSC E-Series E218sw 18″ Double Passive Subwoofer is a powerful audio device designed to enhance low-frequency performance in professional sound systems. With its impressive specifications, this subwoofer delivers outstanding bass reproduction and can handle demanding audio environments.

The subwoofer features a configuration of two 18-inch drivers, which are non-powered and designed specifically for low-frequency reproduction. It offers a frequency range of 37 Hz to 230 Hz (-6 dB) and 32 Hz to 230 Hz (-10 dB), ensuring deep and extended bass response.

With a power capacity of 1600 W continuous and 6400 W peak, the E218sw delivers ample power to produce impactful bass notes with clarity and precision. It has a sensitivity of 101 dB at 1 W and 1 meter, allowing it to efficiently convert input power into high sound pressure levels.

The subwoofer has a nominal impedance of 4Ω and is equipped with two NL4 input connectors and one barrier strip for easy connectivity. It is recommended to use a low-pass filter with a crossover frequency between 80 Hz and 120 Hz to achieve optimal performance.

The enclosure of the E218sw is rectangular and constructed with plywood, providing durability and resonance-free operation. It features a black texture paint finish, side-mounted handles for easy transportation, and a rear panel provision for optional 4-inch casters. The front grille is made of perforated, powder-coated steel and lined with foam to protect the drivers from damage.

In terms of dimensions, the speaker measures 1180 × 616 × 640 mm (46.5 × 24.3 × 25.2 in), while the carton dimensions are 1300 × 740 × 686 mm (51.2 × 29 × 27 in). The net weight of the speaker is 76.4 kg (168 lb), making it substantial and robust.

Overall, the QSC E-Series E218sw 18″ Double Passive Subwoofer is an excellent choice for professional audio applications that require deep, powerful bass reproduction. Its high-quality construction, impressive specifications, and convenient features make it a reliable and versatile subwoofer for various sound reinforcement setups.

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Configuration 2 x 18″ / 46 cm, subwoofer, non-powered
Frequency Range 32 to 230 Hz (-10 dB)
Power Capacity 1200 W continuous / 4800 W peak
Sensitivity 101 dB, 1 W @ 3.2′ / 1.0 m
Output 136 dB
Drivers LF: 18″ / 46 cm driver with 4″ / 10 cm voice coil
Nominal Impedance 4 Ohms
Input Connectors 2 x NL4
1 x barrier strip
Enclosure 11-ply, black texture paint finish
Perforated, powder-coated steel grille with foam lining
Dimensions 46.5 x 24.3 x 25.2″ / 118 x 61.7 x 64 cm
Weight 183 lb / 83.2 kg

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