OMNITRONIC PAS-181A MK4 Active DSP Subwoofer 18 inch 2000W 11039563

The OMNITRONIC PAS-181A MK4 is a professional active subwoofer that delivers deep, powerful bass with 2000W peak power and advanced DSP control. Its 18" woofer in a rugged plywood enclosure ensures reliable low-frequency reinforcement for live sound, DJ setups, and fixed installations.

Advantages

Class D amplification provides high efficiency and low heat, while the built-in DSP offers four presets (Music, Live, Speech, DJ), adjustable crossover, delay, and 3-band parametric EQ for precise system tuning. The scratch-resistant lacquer finish and protection circuits (overload, short circuit, limiter, thermal) guarantee durability and safe operation.

Suitable for

• Live concerts and touring PA systems
• DJ performances and club installations
• Fixed installations in bars, restaurants, and houses of worship
• Mobile entertainers needing powerful, portable bass

Key specifications

• 18" woofer with 1000W RMS / 2000W peak power
• Frequency response: 35–150 Hz, max SPL 128 dB
• DSP with 4 presets, crossover, delay, 3-band EQ, low-cut
• 2 XLR/jack combo inputs, 2 XLR parallel outputs, 2 XLR thru outputs
• M20 threaded flange for top speaker mounting
• Plywood enclosure with scratch-resistant lacquer

Recommendations

Pair the PAS-181A MK4 with OMNITRONIC full-range tops for a complete, high-output PA system. Use the DSP presets to quickly adapt to different program material, and adjust the crossover and phase to achieve seamless integration with your main speakers.