HK Audio Sonar 115 SUB D Active Subwoofer 15 inch 600W RMS Class-D

The HK Audio Sonar 115 SUB D is a high-performance active subwoofer designed for professional sound reinforcement. Featuring a 15-inch woofer with a 3-inch voice coil and a powerful Class-D amplifier delivering 600W RMS (1200W peak), this subwoofer provides deep, punchy bass down to 36 Hz. Its versatile connectivity includes balanced XLR/TRS combo inputs and XLR thru and mid/high outputs, with selectable crossover frequencies at 90 Hz or 120 Hz. The integrated 24-bit DSP offers four EQ presets (Bass Boost, Flat, Contour, User) for optimal sound shaping. Built with a durable MDF cabinet and metal grille, it includes an M20 pole mount and two integrated handles for easy transport. Protection circuits ensure reliable operation in demanding environments.

Advantages

Powerful 600W RMS Class-D amplification ensures high output with low weight. The 15-inch woofer delivers extended low-frequency response. Selectable crossover and DSP presets provide flexibility for various applications. Robust construction with protection circuits guarantees long-term reliability.

Suitable for

• Live sound reinforcement for bands and DJs
• Portable PA systems
• Fixed installations in clubs and event spaces
• Complementing HK Audio Sonar series full-range speakers

Key specifications

• Active subwoofer with 15" woofer (3" voice coil)
• Class-D amplifier: 600W RMS, 1200W peak
• Frequency response: 36 Hz – crossover (-10 dB)
• Max SPL: 128 dB peak
• Inputs: 2x XLR/TRS combo (balanced)
• Outputs: 2x XLR thru, 2x XLR mid/high out (balanced)
• Crossover: 90 Hz / 120 Hz selectable
• DSP: 24-bit, 4 presets (Bass Boost, Flat, Contour, User)
• Cabinet: MDF with metal grille and acoustic foam
• M20 pole mount, 2 integrated handles
• Protection: undervoltage, thermal, short circuit, overcurrent, soft start, subsonic, peak limiter
• Power supply: 100-240V AC, 50/60 Hz

Recommendations

For optimal performance, pair the Sonar 115 SUB D with HK Audio Sonar full-range speakers. Use the selectable crossover to match your system configuration. The Bass Boost preset is ideal for dance music, while the Flat preset suits general PA use.