A18S 18-Inch Active Subwoofer
List Price: $1,449.95
Your Price: $1,099.99
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18-Inch Active (powered) Subwoofer

Well suited for a variety of applications including clubs, bars, mobile DJs, public address engagements, schools, houses of worship, fitness centers, and more!


  • The Achromic Series speakers feature a Bi-Amped, high efficiency fan cooled Class A/B switching power amp for the highs, and a Class D power amp for the low end. Each cabinet was carefully designed with components specifically chosen to provide high SPL levels while ensuring smooth coverage across all frequencies in a light weight package ranging from the A10 at 28.7 lbs. (13 kg) up to the A18S at 83.8 lbs. (38 kg).

  • Power Ranges from 1000 Watts for the A10 to 1200 Watts for the A12/A15. Designed to work for you, the full-range speakers feature a 35mm pole socket with two position options – zero or a 7.5-degree downward tilt for stand mounting but can also be flown via the built-in M10 fly points, wall mounted or used a main or floor monitor.

  • To provide enhanced bass response and extended low frequency coverage, the Achromic Series also includes two active DSP Controlled sub options with configurable output directivity. The cardioid output option allows you to better focus your low end in a ground stack configuration for tight clean bass.

  • Every model in the Achromic Series features an advanced easy to use Digital Signal Processor accessible via an LCD screen on the rear panel of the speaker. The built-in DSP allows you custom optimization to configure the speaker specifically for your needs: Music Type /Room/ mounting option/EQ/ and System configurations.


  • 18-inch active subwoofer
  • Frequency Range (-10db): 35Hz-150Hz
  • @Nominal Coveraged: Omni-direction, cardioid
  • Output (Peak SPL @1M): 127dB
  • Amplifier Power: 1600 W Dynamic, 500W RMS Class D
  • Power Consumption: 600W
  • DSP Features: LCD screen with EQ and multiple presets
  • Driver Information: 18” Woofer w/ 3" Voice Coil
  • Input /Output Connectors: 2 x Balanced female XLR/ ¼” combo jacks, 2 x XLR male balanced outputs
  • Enclosure: 15mm Plywood
  • Grill: 1.5 mm steel
  • Handles: 2 Side
  • Fly Points: none
  • Pole Mounting: Ground Stack  (Threaded speaker pole included with sub)
  • Power Input: 115V/230V, 50/60Hz, Multi-voltage
  • Dimensions (HxWxD): 26.1" x 20.1" x 25.5" (662mm x 510mm x 647mm)
  • Weight: 73 lbs (33.1 kg)
  • Ships UPS/FED EX Ground
  • Ships from CA or FL stock
    Average Delivery Time: 3-5 business days**
    (** in stock product, from date of order, standard ground shipping, delivery within the lower 48 US states)



Sku: A18S
Brand: Avante Audio