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The HFA112s is an active 12” compact and powerful subwoofer system loaded by a long excursion, European made 12” woofer and it is internally powered by a DPAmplifier module. This professional active front-loaded subwoofer was engineered for high-level and extended low frequency output. The HFA112s uses an integrated 2-channel digital amplifier to power external full-range passive speakers.

The integrated DSP with A/D-D/A low noise converters, provides eight selectable presets (six factory defined and two user-defined) that can be accessed by an easy selector, located on the front module panel or real time edited by a PC, using the supplied Soundware software, via USB remote control. This permits easy customization of the sound programme, for various applications or different venues. An intelligent automatic standby mode is activated when the amplifier detects no input signal, saving energy and extending the expected work life.

With the Soundware software is possible to edit the six pre-loaded presets and store them either of the two free memories. Editable parameters are input equalization, input delay, input high-pass/low-pass filters and the ‘bass enhancer’ function. A total of 255 units can be controlled simultaneously by the software.

The HFA112s is also equipped with a top-mounted pole socket that, when in ground stacked applications, can be used to mount satellite speakers equipped with standard 35mm pole sockets.

Product Type
Active Band-Pass Subwoofer
Frequency Response (-6dB)
40Hz – X-over
Low Frequency Extension (-10dB)
Frequency / Type of X-Over
Defined by Preset or user adjustable by PC
Amplifier Technology
2 channel switched mode class D with DSP
Amplifier Power
Subwoofer Amplifier Power
RMS: 1100W / Program: 1480W / Peak: 2960W
External Satellite Amplifier Power
RMS: 550W / Program: 740W / Peak: 1480W @ 4Ω
DSP Technology
Controlled Networkable DSP 24bit/48kHz
DSP Adjustable Parameters
6 PEQ, delay, HPF, LPF, Bass Enhancer, Level, Polarity, Mute
DSP Presets
6 Factory and 2 User, selectable via software or rear panel switch
Control Type
Via RS485 and supplied software “SOUNDWARE”
Maximum SPL (calculated)
130dB / 136dB (Half-Space)
Subwoofer Driver
1 x 12″ (300mm) / 3.5″ (88mm) VC, Neodymium, long excursion, B&C custom speaker
Cooling Type
Convection/Temperature controlled fan
Power Input
180V – 245V
Mains Connector
Powercon (Input and Output)
Power Consumption
1 x 35mm Pole Mount Socket
2 on the upper side edges (Black or red)
15mm multi-laminate birch ply
Semi-Matte Black Textured Coating
Dimensions (WxHxD)
349 x 512 x 550 mm
Net Weight
Shipping Weight
Shopping Cart