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Description
HK Audio LINEAR SUB 1800 A Active Bass Reflex Subwoofer, 1200W Power - 18"L SUB 1800 A A LOW END BOOST FOR THE LINEAR SERIESLINEAR SUB 1800 A an 18" bass reflex subwoofer is packed full of low end. Unrivaled power, SPL of up to 132 dB and thumping bass (all the way to 38 Hz) make this powered sub the ideal add on to mid high units from the LINEAR 3 family when you need just a little more loudness and low end. LINEAR SUB 1800 A can also be used in combination with mid high units from the LINEAR 5 family, or as a bass
L SUB 1800 A - A LOW-END BOOST FOR THE LINEAR SERIESLINEAR SUB 1800 A - an 18" bass reflex subwoofer - is packed full of low end. Unrivaled power, SPL of up to 132 dB and thumping bass (all the way to 38 Hz) make this powered sub the ideal add-on to mid/high units from the LINEAR 3 family when you need just a little more loudness and low end. LINEAR SUB 1800 A can also be used in combination with mid/high units from the LINEAR 5 family, or as a bass extension to the ELEMENTS BIG BASE system.
Features
• Compact powerful subwoofer
• 1200 watts
• 1x 18″ Speaker
• 132 dB Max SPL Peak @ 10% THD (halfspace)
• Ideal add-on to mid/high units from the LINEAR 3 family
• Can also be used in combination with LINEAR 5 mid/high units, or as a bass extension to the ELEMENTS BIG BASE system
• Rugged wood enclosure
• Adjustable X-over frequency
• Integrated HK Audio MultiGrips
Details
• Max SPL: 130dB 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 -10dB: 38 Hz X-Over
• Power Rating: 1200 W
• 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 bal., 2 x XLR Thru bal., 2x XLR-Mid/High Out
• Input Sensitivity: +4 dBu @ Gain center-notched
• Pole mount: 1x M20 (K&M)
• Handles: 4x HK Audio MultiGrip
• Enclosure: MDF 16 mm
• Grille: 2 mm metal grille backed with black acoustic foam
• Finish: Acrylic enamel, black
• Optional accessories: Protective cover, Stereo Pole Add-On M20, tilt unit, 100 mm casters
• Dimensions (WxHxD): 51.0 x 67.0 x 72 cm
• Weight: 42 kg / 92.6 lbs.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
My dogs are obsessed with this ball
Size: 2-pack, Style: Duo
Great quality! I have 2 boxers that love it and the ball is still intact
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
★★★★★ 5
Not Scented, but Dog Approved
Size: 2-pack, Style: Duo
They don't smell like peanut butter or bacon. But our dogs still love them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2025
★★★★★ 4
If they squeaked, they would be the perfect ball!
Size: 2-pack, Style: Duo
I bought our 15 month old Coton several Chuck-It toys on an Amazon deal. He is incredibly playful, mischievous, and ball/toy obsessed, especially for anything that makes noise. He can also be very destructive so I love how durable most of their products are - they’re among our longest lasting toys and worth every penny. We have yet to take them to the dog park, but they’re a perfect size for sharing in plat time. And they are keeping him busy at home - that’s a good thing. The scent is subtle but strong enough for him I guess because he loves gnawing on them. If they had squeakers, they would be absolutely perfect. Hopefully Chuck-It will see an opportunity for that down the road!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Most durable fetch balls I know of.
Size: 2-pack, Style: Duo
These balls are the biggest balls of them all. Well, not the biggest, but the best. Every other ball she would chew up in short order and I'd be throwing her a floppy piece of rubber. She just wants to fetch, but if it's not bouncing, she can't catch it on the bounce. Got these balls in July and no damage to them. I just ordered another pair, but only because the other two somehow got stuck up in trees. We have some very old and very large oak trees so not so easy to retrieve. Hope they somehow drop someday. But in the meantime, Lassie will be happy with her new ones. Very highly recommended!
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Reviewed in the United States on October 28, 2025
★★★★★ 5
Works great for scent work! Bounce is great for air retrieve!
Size: 2-pack, Style: Duo, Size: 2-pack, Style: Duo
My dog doesn’t know he loves them yet but I do! They are a little softer so when we do air retrieve, I don’t have to worry as much about his teeth! I’m hoping he will learn to find them by smell vs sight. We often play in the evenings and he tends to loose his ball. Love chuck it! Right now, we have about 10 chuck it balls! The tennis balls don’t work for air retrieve! Chuckit does!!! Love the thrower too! Saves my arm!!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2025
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