HK Audio LINEAR 9 118 Sub A 1100W 18" Active Subwoofer *USA Small Business*

HK Audio LINEAR 9 118 Sub A 1100W 18" Active Subwoofer

Looking to add thunderous bass to your sound setup? The HK Audio LINEAR 9 118 Sub A delivers deep, punchy lows that fill the room without taking up too much space. Whether you're running a live show, DJing a party, or setting up for an outdoor event, this subwoofer packs the kind of power that makes music come alive. It’s tough, travel-friendly, and built to perform night after night. If you want your crowd to feel the music—not just hear it—this is the subwoofer for you.

HK Audio LINEAR 9 118 Sub A 1100W 18" Active Subwoofer Review

The HK Audio LINEAR 9 118 Sub A is more than just power—it’s precision. Featuring an 18-inch driver and a 1100-watt Class D amp, this active subwoofer pumps out clear, controlled bass that cuts through even the loudest mixes. Built-in DSP lets you shape your sound with EQ, delay, and limiting, while smart cardioid presets help you keep low-end focused where you want it. Thanks to its rugged birch wood cabinet and weather-resistant finish, this sub is road-ready and built to last.

HK Audio LINEAR 9 118 Sub A 1100W 18" Active Subwoofer Features

• Delivers powerful bass that’s clean and tight
• Easy to carry with two strong side handles
• Built tough with a durable wood cabinet and protective coating
• Simple sound controls right on the speaker—no extra gear needed
• Smart presets help control where the bass goes
• Connects easily to other speakers and sound gear

HK Audio LINEAR 9 118 Sub A 1100W 18" Active Subwoofer Specs

• 1100W RMS Class D amplifier with 18" driver and 4" voice coil
• Frequency response from 38 Hz to crossover point
• Max SPL: 131 dB peak at 10% THD
• Dual XLR combo inputs and XLR thru outputs
• Network control via EtherCON RJ45 and HK Audio DSP CONTROL software
• PowerCON input and thru, 100-240V
• Birch multiplex housing with black PU finish
• Dimensions: 21.66 x 22.05 x 27.17 inches
• Weight: 91.5 lbs