HK LINEAR-5-MK2-118-SUB-A 2000 Watt 18" Active Subwoofer

The HK LINEAR 5 MK2 118 SUB A is a high-performance 18" active subwoofer designed for deep, powerful bass reinforcement in live and mobile PA systems. With 2000 watts of peak power and a 4" voice coil, it delivers exceptional low-end performance in a birch multiplex enclosure built for the stage. The built-in DSP offers multiple cardioid filter presets and parametric control, while remote software access via EtherCON provides easy system tuning. Whether you need punchy standalone sub performance or a flexible system subwoofer, the 118 SUB A delivers with clarity and force.

Features

• 2000W peak / 1000W RMS Class D power amplifier
• 18" woofer with 4" voice coil delivers powerful, extended bass
• Max SPL of 131 dB for commanding low-end projection
• Frequency response reaches down to 38 Hz (-10 dB)
• Filter presets for front and cardioid sub configurations
• 10-band parametric EQ, low-pass filter, limiter, polarity, delay, and mute
• EtherCON RJ45 port for network control via DSP CONTROL software
• Dual XLR combo inputs, XLR thru, and DSP out for flexible integration
• M20 threaded pole mount for satellite speaker setups
• Durable birch multiplex enclosure with black acrylic finish
• Two ergonomic MultiGrip handles for easy transport

Specifications

Acoustic Performance
- Max SPL (Avg @ 10% THD): 129 dB (half space, 42 Hz – 100 Hz avg)
- Max SPL (Peak @ 10% THD): 131 dB (half space)
- Frequency Response (±3 dB): 42 Hz – X-over
- Frequency Response (-10 dB): 38 Hz – X-over
- Sample Rate: 48 kHz
- System Latency: < 2 ms

Power & Electronics
- Amplifier Output: 1000 W RMS / 2000 W Peak
- Amplifier Type: Class D
- Power Consumption: 1.9 A nominal @ 100–240 V
- Power Connection: IEC with V-Lock securing system

Driver
- Woofer: 1 x 18", 4" voice coil

DSP & Control
- Inputs: 2 x XLR combo (balanced)
- Outputs: 2 x XLR Thru (balanced), 1 x XLR DSP Out (balanced)
- Max Input Level: 20 dBu
- Filter Presets: Front, Cardioid 1:1 Vertical, Cardioid 1:1 Horizontal, Remote
- DSP Features: 10-band EQ, low-pass filter, polarity, level, delay, limiter, mute
- Network: 1 x EtherCON RJ45 (In), 1 x EtherCON RJ45 (Thru)
- Remote Software: DSP CONTROL (Windows, macOS)

Construction
- Housing: Birch multiplex
- Surface: Black acrylic enamel
- Grille: 2 mm steel with acoustic foam backing
- Handles: 2 x MultiGrip
- Pole Mount: 1 x M20 threaded insert

Dimensions & Weight
- Dimensions (WxHxD): 55 x 56 x 68.5 cm (21.65" x 22.05" x 26.97")
- Weight: 41.6 kg (91.71 lbs)