HK LINEAR-SUB-1500-A 1200 Watt 15" Active Subwoofer

The HK LINEAR SUB 1500 A is a compact yet powerful 15" bass reflex subwoofer designed to deliver tight, dynamic low-end response. Offering a peak SPL of 132 dB and reaching as low as 45 Hz, this active sub is a perfect companion to LINEAR 3 and LINEAR 5 mid/high units, as well as ELEMENTS BASE systems. With multiple protection circuits, adjustable crossover, and solid construction, the SUB 1500 A offers a portable yet hard-hitting solution for bass reinforcement in mobile and installed PA systems.

Features

• 1200W peak Class D amplifier for deep, punchy bass performance
• 15" woofer with 3" voice coil for tight and defined low-end
• 132 dB peak SPL for powerful low-frequency output
• Extended frequency response down to 45 Hz (-10 dB)
• Adjustable crossover at 100 Hz or 120 Hz with 24 dB/oct slope
• Active protection circuits including thermal, short circuit, and peak limiting
• Dual XLR combo inputs, XLR thru, and dedicated mid/high outputs
• M20 threaded pole mount and ergonomic MultiGrip side handles
• 16 mm MDF cabinet with black acrylic enamel finish
• Ideal subwoofer extension for LINEAR 3, LINEAR 5, and ELEMENTS BASE systems

Specifications

Acoustic Performance
- Max SPL (Avg @ 10% THD): 130 dB (half space, 40 Hz – X-over avg)
- Max SPL (Peak @ 10% THD): 132 dB (half space)
- Frequency Response (±3 dB): 49 Hz – X-over
- Frequency Response (-10 dB): 45 Hz – X-over
- Crossover Frequency: 100 Hz / 120 Hz, switchable, 24 dB/oct slope

Power & Electronics
- Amplifier Output: 1200 W Peak
- Amplifier Type: Class D
- Power Consumption: 3 A @ 220–240 V / 6 A @ 100–120 V nominal
- Mains Connector: 1 x IEC with V-Lock cord retainer
- Active Protection: Undervoltage, thermal, short circuit, overcurrent, subsonic filter (24 dB/oct), peak limiter

Driver
- LF Driver: 1 x 15", 3" voice coil

Audio I/O
- Inputs: 2 x XLR combo (balanced)
- Outputs: 2 x XLR Thru (balanced), 2 x XLR Mid/High Out
- Input Sensitivity: +4 dBu (gain center-notched)

Construction
- Housing: 16 mm MDF
- Finish: Black acrylic enamel
- Grille: 2 mm steel with black acoustic foam backing
- Handles: 2 x MultiGrip
- Pole Mount: 1 x M20 threaded insert

Dimensions & Weight
- Dimensions (WxHxD): 48.5 x 48.5 x 59.5 cm (19.1" x 19.1" x 23.4")
- Weight: 29.8 kg (65.7 lbs)