The hotline is currently not manned. You can reach us again on Wednesday, 20.05.2026 at 09:30.
A Low-End Boost for the Linear Series!
The L SUB 1800 A is an 18" bass-reflex subwoofer packing serious low-end punch. Unbridled power, high sound pressure up to 132 dB, and gripping lows down to 38 Hz make this active bass the perfect match for the LINEAR 3 series tops when you want it deep and loud. It also works great with LINEAR 5 tops or as a bass extension for the ELEMENTS system BIG BASE.
Features
- Compact, powerful active bass
- 1200 watt Class-D amplifier power
- 1x 18" speaker
- 132 dB max SPL peak @ 10% THD (Halfspace)
- Ideal complement to the LINEAR 3 series tops
- Also usable with LINEAR 5 tops or as bass extension for the ELEMENTS system BIG BASE
- Extremely rugged wooden enclosure
- Adjustable crossover frequency
- Integrated HK Audio MultiGrips
Technical Data
- Max SPL: 130 dB Halfspace (@ 10% THD)
- Max SPL peak: 132 dB Halfspace (@ 10% THD)
- Max SPL calculated: 133 dB Halfspace
- Frequency response +/- 3 dB: 42 Hz – crossover
- Frequency response -10 dB: 38 Hz – crossover
- Total power: 1200 W
- Amplifiers: Class D
- Active protection circuits: undervoltage protection, thermal protection, short-circuit protection, overcurrent protection, subsonic 24 dB/oct., peak limiter
- Bass speaker: 1x 18"
- Active crossover frequency: 100/120 Hz selectable with 24 dB/oct.
- Connections: 2x XLR/jack combo inputs balanced, 2x XLR thru balanced, 2x XLR line out mid/high
- Input sensitivity: +4 dBu @ gain centerclick
- Speaker pole flange: 1x M20
- Handles: 4x HK Audio MultiGrip
- Enclosure: 16 mm MDF
- Front grille: 2 mm metal grille with black acoustic foam
- Finish: acrylic paint, black
- Dimensions (WxHxD): 51 x 67 x 72 cm
- Weight: 42 kg
Scope of delivery
- 1 x HK Audio L SUB 1800 A subwoofer
Specification
- Product number 00056953
- Power RMS (Watts) 1200
- Wheels included No
- Outputs XLR
- Stand mount flange M20
- Inputs 6.3mm Klinke, XLR
- Subwoofers 1x 18 Zoll
- Colour Black
- Weight in kg 42
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Financing
easyCredit Ratenkauf
- 2 to 60 months term
- Financing from 26,10 € / month
- More information about installment purchase
ConsorsFinanz Finanzierung
- 6 to 72 months term
- 0% financing for 96,91 € per month
- More information on financing
| 3 Year warranty | |
| 30 Day Money Back | |
| Price Match Guarantee | |
| Over 2.000.000 satisfied customers |
The hotline is currently not manned. You can reach us again on Wednesday, 20.05.2026 at 09:30.
| Wednesday | 09:30 - 18:00 | |
| Thursday | 09:30 - 18:00 | |
| Friday | 09:30 - 18:00 | |
| Saturday | 09:30 - 13:30 | |
| Monday | Closed |
Different opening times |
| Tuesday | 09:30 - 18:00 |