HK LINEAR-7-118-SUB-A 2000 Watt 18" Active Subwoofer

The HK LINEAR 7 118 SUB A is a compact yet powerful 18" active subwoofer designed to deliver phenomenal low-end performance across a wide range of professional sound applications. As part of the network-compatible LINEAR 7 Series, it features advanced DSP with cardioid presets, remote control capability, and 2000 watts of peak Class D power. With smooth integration, rich output, and rugged construction, this subwoofer is ideal for stage setups, mobile rigs, and large venue installations demanding clarity and punch in the low-frequency range.

Features

• 2000W peak Class D amplifier delivers powerful low-end output
• 18" woofer with 4" voice coil for deep, controlled bass
• Max SPL of 131 dB ensures strong low-frequency presence
• Frequency response down to 38 Hz (-10 dB) for extended sub-bass performance
• Cardioid filter presets (1:1, 2:1) and front mode for flexible deployment
• Remote DSP access via EtherCON and HK’s DSP CONTROL software (Windows/macOS)
• 10-band parametric EQ with LPF, delay, polarity, limiter, mute, and more
• Dual XLR combo inputs, XLR thru, and DSP out for advanced signal routing
• PowerCon in/out for secure daisy-chaining
• Durable birch multiplex housing with acoustic foam-backed grille
• Compact footprint and 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: 96 kHz
- System Latency: < 2.6 ms

Power & Electronics
- Amplifier Output: 2000 W Peak
- Amplifier Type: Class D
- Power Consumption: 1.9 A nominal @ 100–240 V
- Power Connection: 1 x PowerCon NAC3 In, 1 x PowerCon NAC3 Thru

Driver
- LF Driver: 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
- Max Input Level: +20 dBu
- Filter Presets: Front, Cardioid 1:1, Cardioid 2:1, 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
- Finish: 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 69 cm (21.65" x 22.05" x 27.17")
- Weight: 41 kg (90.4 lbs)