HK Audio Linear 5 MK II 118S HPA 18 Inch 3000W Active Subwoofer with DSP (Black)
Product highlights
Product highlights
In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy
Free Local Pickup
Free Local Pickup
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The HK Audio LINEAR 5 MK II 118S HPA is the most powerful subwoofer in the LINEAR 5 MK II series, engineered to deliver deep, controlled, and powerful low frequencies for professional live sound and installation environments. With a robust 18-inch driver powered by a 1,500W RMS (3,000W peak) Class D amplifier, it produces exceptional bass performance with precision and reliability. Designed for touring and demanding applications, this active subwoofer features advanced onboard DSP, network control capability, and flexible cardioid presets for optimized system configuration. Its durable birch multiplex cabinet and professional-grade components ensure long-lasting performance on stage or in fixed installations.
High-Power Amplification:
The subwoofer is powered by a 1,500W RMS and 3,000W peak Class D amplifier, delivering strong, clean, and efficient low-frequency performance suitable for demanding live sound applications.
Extended Low-Frequency Response:
With a frequency response of 36 Hz to crossover (±3 dB) and extending down to 33 Hz (-10 dB), it produces deep, punchy bass with excellent clarity and definition.
High Maximum SPL Output:
Capable of reaching 130 dB maximum SPL and 131 dB peak (half space), this subwoofer provides powerful output ideal for large venues and high-energy environments.
18-Inch High-Performance Driver:
Equipped with a single 18-inch woofer featuring a 4-inch voice coil, it ensures strong low-end reproduction and consistent performance under heavy use.
Advanced Integrated DSP:
The built-in DSP includes a fully parametric 10-band EQ, low-pass filter, polarity control, delay, limiter, and mute functions, allowing precise sound tuning and system optimization.
Four Selectable EQ Presets:
It offers Front, Cardioid 1:1 Vertical, Cardioid 2:1 Vertical, and Remote presets, enabling flexible configuration for different setup requirements.
Network Control Capability:
Featuring Ethercon RJ45 In and Thru ports, the unit supports remote control and monitoring through DSP CONTROL software for Windows and Mac OS.
Professional Audio Connectivity:
The subwoofer includes two balanced XLR combo inputs, two balanced XLR thru outputs, and one balanced XLR DSP output for seamless integration into professional sound systems.
Reliable Power Connections:
PowerCon NAC3 In and Thru connectors (100–240V) provide secure power linking and dependable operation.
Durable Cabinet Construction:
Built with a birch multiplex enclosure, finished in black acrylic enamel, and protected by a 2 mm metal grille with acoustic foam backing, it is designed for durability in touring and installation environments.
Convenient Handling and Mounting:
Four HK Audio MultiGrip handles ensure easy transport, and an integrated M20 pole mount allows flexible speaker system setup.
Acoustic Performance
| Max. SPL (average at 10% THD, half space) | 130 dB |
| Max. SPL peak (10% THD, half space) | 131 dB |
| Frequency response (±3 dB) | 36 Hz to crossover |
| Frequency response (-10 dB) | 33 Hz to crossover |
Power and Amplifier
| Power output | 1,500 W RMS / 3,000 W peak |
| Amplifier type | Class D |
| Power consumption | 2.5 A nominal at 100–240 V |
| Mains connectors | 1 x PowerCon NAC3 In, 1 x PowerCon NAC3 Thru |
Driver
| Low-frequency driver | 1 x 18-inch woofer with 4-inch voice coil |
Connectivity
| Analog inputs | 2 x XLR combo balanced |
| Analog through outputs | 2 x XLR balanced |
| DSP output | 1 x XLR balanced |
| Network ports | 1 x Ethercon RJ45 In, 1 x Ethercon RJ45 Thru |
| Maximum input level | +20 dBu |
DSP and Control
| DSP functions | fully parametric 10-band EQ, low-pass filter, polarity, level, delay, limiter, mute |
| Filter presets | Front, Cardioid 1:1 vertical, Cardioid 2:1 vertical, Remote |
| Remote software | DSP CONTROL for Windows and Mac OS |
| Sample rate | 48 kHz |
| System latency | ≤ 2.6 ms |
Construction
| Housing | Birch multiplex |
| Finish | Black acrylic enamel |
| Front grille | 2 mm metal grille with acoustic foam backing |
| Carrying handles | 4 x HK Audio MultiGrip |
| Pole mount | 1 x M20 |
Dimensions and Weight
| Dimensions (W x H x D) | 60 x 60.8 x 79 cm (23.62 inch x 23.94 inch x 31.10 inch) |
| Weight | 56.8 kg (125.22 lbs) |
Shipping & Returns
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
