HK Audio SONAR 115 Sub D | 15" Powered Subwoofer with DSP & Cardioid Presets

HK Audio SONAR 115 Sub D  (HK Audio SONAR-115-SUB-D-U)

Powered 15-Inch Subwoofer for PA Systems and Column Arrays

The HK Audio SONAR 115 Sub D is a powerful and compact active subwoofer designed to extend the low-end performance of full-range speakers like the SONAR tops and POLAR series column systems. With a robust 15” woofer, 1500W peak Class D amplifier, and advanced DSP, it delivers deep, tight bass response down to 36 Hz, making it ideal for DJs, musicians, and mobile sound applications.

HK Audio SONAR 115 Sub D Competitive Differences

• Powerful 1500W peak Class D amplifier with efficient thermal design
• 15" long-excursion woofer in a bass reflex enclosure for tight low-end punch
• Built-in DSP with bass boost, polarity invert, crossover control, and delay
• Selectable filter presets: Cardioid Front, Cardioid Rear, SONAR
• 2.2" color LCD for intuitive setup and control
• Dual XLR/jack combo inputs and XLR thru outputs for versatile connectivity
• Compatible with SONAR tops, POLAR 10/12, and other powered speakers

HK Audio SONAR 115 Sub D Description

The HK Audio SONAR 115 Sub D enhances any PA system with extended low-end power and punch. Its 15" woofer, housed in a bass reflex cabinet, produces up to 128 dB SPL peak with a frequency response as low as 36 Hz (-10 dB). Whether you're adding bottom-end to a small DJ setup or building out a full PA rig, the SONAR 115 Sub D brings deep, defined bass to your mix. Onboard DSP gives you total control over your low-frequency output. Tweak polarity, delay, and crossover from 60 to 150 Hz, and select among cardioid presets for optimal rear rejection when using multiple subwoofers. A bass boost option tightens and reinforces punch for club and dance applications. The rugged enclosure features an M20 threaded pole mount, built-in carry handles, and optional wheel mount preparation for easier mobility. A steel grille with acoustic foam backing protects the woofer while maintaining clean, professional aesthetics.

SONAR 115 Sub D Features

• Active 15” subwoofer with bass reflex cabinet design
• 1500W peak Class D power amplifier
• 2.2" color LCD for DSP navigation and setup
• DSP controls: Bass Boost, Polarity, Delay, X-Over, LED settings, Reset
• Filter presets: Cardioid Front, Cardioid Rear, SONAR
• 2 x XLR/jack combo balanced inputs
• 2 x XLR thru outputs for daisy-chaining
• M20 threaded pole mount and optional caster wheel mounting

SONAR 115 Sub D Specifications

• Max SPL (peak): 125 dB
• Max SPL (calculated): 128 dB
• Frequency Response (-6 dB): 40 Hz – X-Over
• Frequency Response (-10 dB): 36 Hz – X-Over
• Crossover Frequency: 60 Hz – 150 Hz (variable)
• Low Frequency Driver: 1 x 15" cone speaker
• Power Amp Type: Class D
• Power Output (Peak): 1500 W
• DSP Display: 2.2" LCD
• Speaker Protection: Thermal, Overload, Subsonic Filter, Peak/RMS Limiter
• Cabinet Material: Wood (acrylic enamel finish)
• Grille: Steel with anticorrosive coating and acoustic foam
• Mounting: M20 pole mount, caster-ready
• Handles: 2 x MultiGrip
• Dimensions (W x H x D): 16-15/16" x 24-3/32" x 24-1/4"
• Weight: 62.6 lbs (28.4 kg)