QSC GP218-sw Dual Passive Subwoofer

SKU: GP218-sw

Dual 18″ Passive Subwoofer


About this item



The QSC GP218-sw Dual Passive Subwoofer


  • Very high acoustic output capability: 140.5 dB SPL (1m) peak.
  • Tight musical “punch” combined with a low-frequency extension down to 27.4 Hz.
  • Elegant transport and handling features include an optional transport dolly plus a soft cover and four thoughtfully placed handles.
  • Premium-grade, long-excursion, high-power woofers with 4″, fiberglass voice coils, double-layer spiders and triple-roll surrounds.
  • 18 mm birch ply enclosure with independent, dual chambers and extensive internal bracing for rigidity and solid, accurate reproduction.
  • Finish available in black.
  • Cinema-version is available for surround LFE.
Configuration2 × 18-inch vented subwoofer
Transducers8 ohm, 18-inch woofer with a 4-inch voice coil, ceramic magnet assembly
Frequency Response (±3 dB)31.4 Hz to 240 Hz (without processing)
Frequency Range (-10 dB)27.4 Hz to 1.2 kHz (without processing)
Nominal Impedance4 ohms
Continuous Power Capacity1700 W
Recommended Power3000 to 4000 W
Sensitivity (1 W at 1 m)101.5 dB
Maximum Output – Continuous / Peak (SPL at 1 m)134.5 dB / 140.5 dB
Cabinet TypeVented, rectangular enclosure
Enclosure MaterialBaltic birch plywood / 18 mm
FinishFinish available in black
Grille14 gauge powder-coated steel
ConnectorsTwo NL4 in parallel
Pin Outs
Attachment PointsSixteen (16) threaded M10 inserts
Dimensions (H×W×D)508 × 1198 × 762 mm
20 × 47.17 × 30 in
Carton Dimensions (H×W×D)660 × 1240 × 915 mm
26 × 48.8 × 36 in
Net Speaker Weight86.6 kg / 191 lb
Shipping Weight99 kg / 218.3 lb


There are no reviews yet.

Be the first to review “QSC GP218-sw Dual Passive Subwoofer”

Your email address will not be published. Required fields are marked *

This product was featured in our Installation projects


The Huntington Theatre Company is a famous non-profit performing arts organization located in Boston, Massachusetts. It was established in 1982 and has since developed into

Our mission at Parsons Audio is to provide solutions that help engineers, educators, musicians, studio, and venue owners realize their goals. When the owners of

2022 has been a busy year for us here at Parson’s Audio. We’ve been busy doing sound system installations all over New England. The Groton

Different Solutions For You


Professional Installation Services

Flawless audio systems for studios and venues


Audio Solutions for Education

Elevate learning experiences with tailored audio solutions


Outstanding Video Solutions

Visual experiences with state-of-the-art video technology