R18S

• 18" woofer with 4" voice coil
• Maximum SPL: 131.5 dB
• Frequency response from 41 Hz
• Stereo input and onboard crossover output
• Integrated 28/56-bit DSP with 24-bit / 48 kHz AD/DA conversion
• User controls: LEVEL, XOVER, POLARITY
• Passive radiator cooling system
• M20 pole mount thread (pole not included)
• Robust multilayer wooden cabinet with polyurea finish

Acoustical Data

• Speaker Type: Active Stereo Subwoofer
• Frequency Response (-10 dB): 41 Hz to crossover frequency
• Max SPL: 131.5 dB
• LF Driver: 18" woofer – 4" voice coil

Amplifier

• Amplifier Class: D
• RMS Power: 500 W
• Peak Power: 1000 W
• Cooling: Passive Radiator

DSP Section

• DSP: 28/56 Bit
• AD/DA Converter: 24 Bit / 48 kHz
• Controls: LEVEL, XOVER selection, POLARITY selection
• Connectors:
  -Inputs CH1/CH2: Combo
  -Output LINE OUT: XLR-M (LINK + XOVER)
  
  

Enclosure

• Material: Multilayer wood with polyurea finish
• Mounting: M20 thread for pole mount
• Dimensions (mm): 510 x 650 x 690
• Dimensions (in): 20.1” x 25.6” x 27.2”
• Weight: 38 kg (83.8 lb)

The R18S stands out for its balance of power, simplicity, and build quality. It’s designed for demanding environments where reliable low-end performance is critical. With built-in DSP, stereo inputs, crossover outputs, and high SPL handling, it provides professional results with minimal setup — all in a durable and visually cohesive enclosure.

• Live sound engineers and system techs
• Sound rental companies
• DJs and musicians needing reliable low-frequency support
• Audio installers for concert venues, theaters, churches, and clubs
• Anyone seeking a powerful, easy-to-integrate subwoofer for pro audio setups

• True Plug & Play experience: No external processor required thanks to the integrated stereo input and crossover output.
• Consistent design: Matches the finish and enclosure quality of its full-range speaker counterparts.
• High sound pressure levels: Delivers deep, powerful bass ideal for professional sound reinforcement.
• Flexible installation options: M20 pole mount thread allows for stable top speaker support.
• Signal routing versatility: Easily split or pass full-range signal directly from the sub.

Does the R18S come with poles or covers?

No, this product does not include stands or protective covers.

Can I use the R18S without an external processor?

Yes. It has onboard DSP and a crossover output, allowing you to connect two full-range tops directly to the sub.

Can I link another subwoofer?

Yes, the LINK output can be used to send a full-range signal to another subwoofer.

Is the cabinet weather-resistant?

The polyurea coating offers great durability, but additional protection is recommended for outdoor use in extreme weather.

What kind of cooling does it use?

The R18S uses a passive radiator for cooling, ensuring silent operation and long-term reliability.