# Subwoofer Omnitronic PAS-181A MK4 — active subwoofer with DSP, model 11039563

**URL:** https://aio.lv/en/product--omnitronic-11039563--12260185
**Data updated:** 2026-04-14 22:31 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Omnitronic
**Manufacturer code:** 11039563
**EAN:** 4026397739213
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 993.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 821.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--omnitronic-11039563--12260185

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Omnitronic PAS-181A MK4 is an active subwoofer equipped with integrated DSP for low-frequency reproduction. Designed for PA and live sound reinforcement, it delivers controlled bass response and precise filtering via onboard digital signal processing. Suitable for DJs, venues and mobile setups that require a powered, DSP-managed low-frequency extension.

## Long description

The Omnitronic PAS-181A MK4 is an active subwoofer with integrated digital signal processing (DSP) designed for PA and live sound reinforcement. Built to provide low-frequency extension with controlled output, this powered subwoofer combines a dedicated low-frequency driver, a reinforced enclosure and onboard DSP filtering to deliver consistent bass performance for DJs, venues and mobile sound systems.
Advantages
The onboard DSP allows precise crossover settings, phase adjustment and limiting to protect the driver and maintain clean low-frequency reproduction at varying levels. Being an active unit, the PAS-181A MK4 includes internal amplification matched to the low-frequency transducer, removing the need for an external power amp and simplifying setup. The enclosure and driver are configured to provide focused bass response suitable for speech reinforcement and music playback in live environments.
Suitable for
 Club and DJ setups requiring reliable low-frequency extension
 Small to medium-sized venues and live performance reinforcement
 Mobile PA rigs and event hire fleets where integrated DSP simplifies tuning
 Installed sound systems that need a powered subwoofer with built-in crossover management
When it may not be suitable
This subwoofer is optimized for live sound and PA applications; it may be larger and more powerful than necessary for casual home-audio use. For installations that demand extremely compact, ultra-discrete low-frequency units or hi-fi-oriented subwoofers with audiophile voicing, a different model focused on those needs could be more appropriate.
Key specifications
 Active (powered) subwoofer with integrated amplification
 Integrated digital signal processing (DSP) for crossover, EQ and limiting
 Designed frequency range focused on low-frequency reproduction
 Robust enclosure optimized for live sound and PA use
 Inputs and outputs suitable for integration with PA systems and powered speakers
How to use
Place the PAS-181A MK4 in an appropriate location for bass reinforcement—typically near the front of house or beside the main PA cabinets. Connect line-level outputs from a mixer or processor to the subwoofer inputs, and route the subwoofer outputs (if used) to main speaker amplifiers or active speakers. Use the onboard DSP controls to set the crossover frequency, adjust phase and apply limiting according to room size and program material. Start with conservative gain settings, increase gradually while monitoring bass balance and avoid driving the limiter continuously to maintain headroom and protect the driver.
What to consider before purchase
 Confirm the subwoofer's physical size and weight to ensure it fits transport and mounting requirements
 Check compatibility with existing PA equipment and available inputs/outputs for seamless integration
 Evaluate the required low-frequency output versus room size and typical audience level
 Consider power availability and rigging options for fixed or mobile installations
Usage recommendations
For best results, tune the onboard DSP in the venue with measurement tools or reliable reference listening. Use gradual gain adjustments and employ HP filters on the main speakers if recommended to achieve a clean crossover and consistent bass coverage across the listening area.

## FAQ

### How much does the Omnitronic PAS-181A MK4 active subwoofer cost, and is it available for purchase?

The price is 993.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Omnitronic products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Omnitronic service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12260185/68171979_large.webp