The JRX118S is an 18" compact direct-radiation subwoofer designed to supplement and extend low frequency performance of full-range systems in live sound and music playback applications. It is an excellent choice for use with powered fullrange speakers or in systems using powered mixers. The JRX118S is driven by a massive JBL 18" woofer with a cast frame and 3" voice-coil. It’s rated at 350 watts (continuous) and 1400 watts (peak) – based on JBL Professional’s 100 hour extended life test.

Key Features:

• 18" compact subwoofer
• 300 watt (continuous), 1200 watt (peak) power capacity
• The rugged enclosure is constructed from 19 mm (¾ in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet.
• A top mounted, cast aluminum 35 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX118SP as a base for a midhigh speaker cabinet.
• High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating.
• Non-resonant, all steel handles are used.
• Attractive 18-gauge perforated steel grille protects components from damage.
• 35 mm pole mount receptacle for use with satellite speakers.

Specifications

• System Type: 18" compact subwoofer
• Frequency Range (-10 dB): 38 Hz - 300 Hz¹
• Frequency Response (±3 dB): 55 Hz - 300 Hz¹
• Nominal Impedance: 4 Ohms
• Rated Maximum SPL: 127 dB peak, @1 m (3.3 ft) at 500 watts²
• Power Capacity: 300 watts³
• Peak Power Capacity: 1200 watts³
• Recommended Amplifier 300 - 600 watts
• Power: @ 4 ohms
• Dimensions (H x W x D): 605 mm x 508 mm x 551 mm (23.8 in x 20.0 in x 21.7 in)
• Net Weight: 32.2 kg (71 lb)
• Shipping Weight: 36.8 kg (81 lb)
• LF Driver: 2043-G
• Input Connectors: Neutrik® Speakon® NL-4 (x2); ¼" TS phone jack (x1) parallel
• Enclosure Construction: 19 mm (¾ in) MDF (Medium Density Fiberboard) with glued and mechanically fastened joint detail; covered in black carpet.
• Grille: 18-gauge, powder-coated steel
• Optional Accessory: SS3BK

¹ Frequency Range and Frequency Response are based on half-space conditions.
² Calculated half-space (2) performance based upon peak power capacity.
³ “Power Capacity” and “Peak Power Capacity” ratings are based on the average and peak power capacity of product
samples subjected to a 100 hour power test using random noise with a 6 dB crest factor, in accordance with IEC standards.

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