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Very high acoustic output capability: 140.5 dB SPL (1m) peak
Tight musical "punch" combined with low-frequency extension down to 27.4 Hz
Elegant transport and handling features including an optional transport dolly plus 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
Standard finish available in black (GP218-sw-BK) or white (GP218-sw-WH). Tour-Grade version available with LINE-X® coating (GP218-sw-TG) in black only
Cinema-version available for surround LFE

Configuration 2 × 18" vented subwoofer
Transducers 8 ohm, 18" woofer with a 4" 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 Impedance 4 ohms
Continuous Power Capacity 1700 W
Recommended Power 3000 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 Type Vented, rectangular enclosure
Enclosure Material Baltic birch plywood / 18 mm
Finish Black (GP218-sw-BK) or white (GP218-sw-WT) texture coat (standard) or black LINE-X® (GP218-sw-TG)
Grille 14 gauge powder coated steel
Connectors Two NL4 in parallel
Pin Outs
Attachment Points Sixteen (16) threaded M10 inserts
Weight 191 lb (86.6 kg) Net
209 lb (94.8 kg) Shipping
Dimensions (HxWxD) 20" x 47.17" x 30" (508 mm x 1198 mm x 762 mm)


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