HK Audio PORTABLE SUB 115 A Active 15-Inch Subwoofer

HK Audio PORTABLE SUB 115 A Active 15-Inch Subwoofer

The HK Audio PORTABLE SUB 115 A Active 15-Inch Subwoofer adds compact, punchy low-frequency reinforcement to mobile PA systems. It delivers 1400W peak Class D power, 129 dB peak SPL, preset-based system tuning, and a 15" woofer for precise bass in flexible live sound setups.

Designed for DJs, performers, presenters, and production crews, this active subwoofer pairs with LUNAR, POLAR, and SONAR systems for fast deployment. Use the HK Audio PORTABLE SUB 115 A for portable PA reinforcement, compact event audio, dance floor bass support, and 2.1 speaker systems.

A stereo preamp, 24-bit DSP, selectable presets, polarity switching, and limiter protection help optimize performance without complex setup. The bass reflex MDF enclosure, M20 pole mount, MultiGrip handles, steel grille, and German manufacturing make it a dependable subwoofer for professional mobile audio work.

Portable Active Subwoofer Features

• 15" Low-Frequency Driver: Delivers precise, controlled, and punchy bass from a compact active subwoofer enclosure.
• 1400W Peak Power: Class D amplification provides strong low-frequency output for mobile PA and live sound applications.
• Preset-Based Integration: LUNAR, SONAR, POLAR, and General LPF 100 Hz presets adapt the subwoofer to different system setups.
• Integrated Stereo Preamp: Supports 2.1 system configurations with flexible left and right input routing.
• Flexible Signal Routing: Dual combo inputs and dual XLR Thru outputs simplify connection to speakers and larger PA systems.
• Gain and Polarity Control: Adjustable gain and 0°/180° polarity switching help fine-tune bass response in the room.
• Rugged Wooden Cabinet: MDF construction, acrylic enamel finish, MultiGrip handles, and steel grille support professional transport and use.
• Made in Germany: Built for reliable performance in portable sound reinforcement and event production environments.

Technical Specifications

• Product Type: Active subwoofer
• Brand: HK Audio
• Model: PORTABLE SUB 115 A
• Concept: Active subwoofer
• Cabinet Principle: Bass reflex
• Maximum SPL Peak: 129 dB
• Maximum SPL Measurement: 1 x subwoofer at 1 m, 10% THD, half space
• Crossover Frequency: 100 Hz / 80 Hz depending on preset
• Frequency Range -6 dB: 42 Hz - X-Over
• Frequency Range -10 dB: 38 Hz - X-Over
• Low-Frequency Driver: 1 x 15" woofer with 3" voice coil
• Crossover: X-Over with 24 dB/oct.
• Power Supply Connection: 1 x IEC connector
• Analog Input: 2 x balanced XLR/jack combo inputs
• Analog Output: 2 x balanced XLR Thru outputs
• Preamplifier: Stereo preamp
• DSP Processing: 24-bit DSP for optimized performance and impulse response
• Power Amplifier: Class D, biamped
• Power Amplifier Output RMS: 700 W
• Power Amplifier Output Peak: 1400 W
• Power Consumption: 0.5 A / 220-240 V AC at 1/8 output power; 0.9 A / 100-120 V AC at 1/8 output power
• Maximum Input Level: 20 dBu
• Speaker Protection: Subsonic filter, peak limiter, and RMS limiter
• Sample Rate: 48 kHz
• Latency: 2 ms - 3.3 ms depending on preset
• Filter Presets: LUNAR, SONAR, POLAR, General LPF 100 Hz
• Compatible Systems: HK Audio LUNAR, POLAR, POLAR MK2, and SONAR systems
• Controls: Gain control, preset selector, 0°/180° polarity switch, limit indicator, power switch
• Cabinet Features and Rigging: 1 x M20 pole mount
• Carrying Handles: 2 x MultiGrip handles
• Cabinet Material: MDF
• Cabinet Surface: Acrylic enamel
• Color: Jet black, RAL 9005
• Front Grille: Steel front grille backed with acoustic foam
• Dimensions: 16.92" x 22.22" x 25.09" (W x H x D)
• Weight: 72.32 lbs
• Compatible Accessory: Protective Cover PORTABLE SUB 115 A
• Country of Manufacture: Germany
• Warranty: 5-year manufacturer’s warranty upon registration

What's In the Box

• HK Audio PORTABLE SUB 115 A Subwoofer
• Quick Start Guide
• Mains Cable