DAS Audio ACTION-S118A Active Subwoofer

The ACTION-S118A is a powered subwoofer system designed to provide outstanding performance in terms of output power, bandwidth extension and distortion. The ACTION-S118A incorporates the 18LX loudspeaker equipped with 4? voice coil, offering an excellent power handling capacity, reduced distortion and power compression. The ACTION-S118A incorporates a high power (3200 W peak) amplifier design providing ample headroom and accuracy. The amplifier uses the latest Class D design.

The subwoofer system includes two balanced inputs with stereo 100 Hz filtered output connections for Action satellite systems. The high pass filter can be defeated to offer stereo "loop thru" connections. A variable low pass filter ranging from 63 Hz to 100 Hz, gain control and polarity reverse increase user control over the system. Signal present and limiter LEDs indicate the system status and assist in setting the optimum level, via the level control knob. The top panel offers a pole mount socket for use with 35 mm metal posts for mounting full-range DAS systems above the ACTION-S118A sub-woofer unit.

Features

• Active horn-loaded subwoofer system
• 3200 Wpeak Class D amplifier
• 63 Hz - 100 Hz variable LPF
• Deep - Loud EQ switch
• Birch plywood enclosure
• Durable ISO-flex paint

Applications

• Live sound reinforcement
• Bands, DJ's and performers
• Speech and vocals
• Music playback in entertainment
• A/V, conferences and presentations

Specifications

• Performance
  • Frequency Range (-10 dB) : 35 Hz -125 Hz (variable LPF)
  • Maximum Peak SPL at 1 m : 137 dB
• Electronics and Connectors
  • Nominal Amplifier Power (continuous) : 1600 W
  • Nominal Amplifier Power (peak) : 3200 W
  • Input Type : Balanced
  • Input Impeadance : 20 kohms
  • Input Sensitivity : 1.95 V (+8 dBu)
  • Audio Signal Input Connector : 2 x Female XLR
  • Audio Signal Loop Thru Connector : 2 x Male XLR
  • AC Output Connector : powerCON NAC3MPB
  • Current Draw 230 V / 115 V : -/3.6 A
• Enclosure
  • Enclosure Construction : Birch Plywood
  • Enclosure Geometry : Rectangular
  • Finish : ISO-flex Paint
  • Color : Black
  • Dimensions ( H x W x D ) : 800 x 695 x 570 mm, 31,5 x 27,4 x 22,4 in
  • Net Weight : 57,0 kg ( 125,7 lb )
• Components
  • LF Driver : 18LX
• Shipping
  • Carton Dimensions ( H x W x D ) : 875 x 740 x 620 mm, 34,5 x 29,1 x 24,4 in
  • Shipping Weight : 61,5 kg ( 135,6 lb )

  How powerful is the ACTION-S118A?
A: It features a 1600W RMS Class-D amplifier (3200W peak), providing strong headroom and high SPL output up to 137 dB.

  What is the frequency response?
A: The subwoofer operates from 35 Hz to 125 Hz, delivering deep low-frequency extension suitable for music and live events.

  What type of design does it use?
A: It uses a horn-loaded design, which offers:

• Higher efficiency
• Better bass projection (throw)
• Tighter, punchier low-end compared to bass-reflex subs

  Does it have built-in DSP controls?
A: Yes, it includes onboard DSP with:

• Variable low-pass filter (63–100 Hz)
• High-pass filter (on/off or loop-through)
• Polarity reverse
• Gain control

  What size events is it suitable for?
A: It is ideal for:

• DJ events
• Live bands
• Rental PA systems
• Crowds up to ~300 people depending on setup

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