Omnitronic PAS-181A

Omnitronic PAS-181A – Technical Specifications & Setup Guide

System & Power Handling

• System Type: Active bass-reflex PA subwoofer

• Power Rating: 450 W RMS (Class-D amplification)

• Program Power: 900 W Peak

• Power Supply: 115/230 V AC, 50/60 Hz (switchable)

• Power Consumption: Max. 600 W

Audio Performance & Transducers

• Low Frequency Driver: 18" (45 cm) woofer with 3" voice coil

• Frequency Range: 35 – 150 Hz

• Sensitivity: 98 dB (1W/1m)

• Max SPL: 126 dB

• Signal Processing: Built-in active crossover filter (adjustable 80 – 150 Hz)

• Protection Circuitry: Integrated limiter, soft start, and overheat protection

Connectivity & Signal Routing

• Signal Inputs: 2 x Balanced XLR Line Inputs (L/R)

• Signal Link Outputs: 2 x Balanced XLR Parallel Line Outputs (L/R)

• Filtered Outputs: 2 x High-Pass Outputs (XLR L/R for active top cabinets)

Controls & Indicators

• Control Elements: Subwoofer Volume control, Variable High-Pass Crossover Frequency control (80 – 150 Hz), Phase Inversion switch (0° / 180°), Ground Lift switch

• Indicators: Power status LED, Signal LED, Limit/Clip LED

Enclosure & Hardware

• Cabinet Material: High-density MDF wooden enclosure with durable black textured coating

• Front Protection: Heavy-duty steel grille backed with acoustic foam

• Mounting / Suspension: Integrated Ø 35 mm pole mount socket (M20 threaded) for satellite speaker mounting

• Carrying Handles: Ergonomic recessed side carrying handles

• Application Modes: Low-end reinforcement for live sound, mobile DJ setups, and permanent club installations

Physical Specifications

• Dimensions (W x D x H): 530 x 640 x 600 mm (20.9" x 25.2" x 23.6")

• Weight: 37.5 kg (82.7 lbs)

Accessories Included

• Mains Power Cable (IEC)

• Operating Instructions Manual