The HK Audio L Sub 1800 A Active Subwoofer is an active 1200W 18" bass reflex subwoofer featuring a maximum sound pressure level of 133dB. The L Sub 1800 A packs a powerful punch whilst offering a highly precise playback and impressive low end. These features make this powered sub the ideal add-on to mid/high units from the Linear 3 Series when a dynamic and crisp bass response is needed. This compact powered subwoofer features a rugged wood enclosure with adjustable X-over frequency and integrated HK Audio MultiGrips.

The main features of the HK Audio L Sub 1800 A Active Subwoofer include:

• Max SPL: 130 dB Half-Space (@ 10% THD)
• Max SPL Peak: 132 dB Half-Space (@ 10% THD)
• Max SPL Calculated: 133 dB Half-Space
• Frequency Response +/- 3 dB: 42 Hz - X-Over
• Frequency Response -10 dB: 38 Hz - X-Over
• Power Rating: 1200W
• Amplifier: Class D
• Active Protection Circuits: Under-Voltage, Thermal, Short Circuit, And Over-Current Protection, Subsonic 24 dB/Oct. Peak Limiter
• LF Speaker: 1x 18"
• Cut-Off Frequency Active: 100/120 Hz Variable with 24 dB/Oct
• Connections: 2x XLR Combo In Balanced, 2x XLR Thru Balanced, 2x XLR-Mid/High Out
• Input Sensitivity: +4 dBu @ Gain Centre-Notched
• Pole Mount: 1x M20 (K&M)
• Handles: 4x HK Audio MultiGrip
• Enclosure: MDF 16mm
• Grille: 2mm Metal Grille Backed with Black Acoustic Foam
• Finish: Acrylic Enamel, Black
• Dimensions: 510 x 670 x 720mm
• Weight: 42kg