Sonance HS12T SUB In-Ground Subwoofers shakmat These are a great alternative

These are a great alternative to mult modules as they live outside of your case and take up 0HP

and Adjustable Reverb

and its durable housing not only weathers outdoor elements but also brings advantages to indoor installations with a low-maintenance impervious design that withstands particulates such as fog and haze

The Efektor series focuses on providing distinct effects

Sonance HS12T SUB In-Ground Subwoofers shakmat These are a great alternativeSONANCE HS12T SUB. The HS12T SUB includes a wide bandwidth Sonance Laminated Core Transformer with an adjustable tap, making it flexible and powerful for any outdoor landscape application. Features: 12" passive subwoofer Delivers authoritative bass for high impact home theater audio. 22 100Hz frequency response Delivers booming lows for an immersive soundscape. 8 ohms nominal impedance Provides efficient conduction of power.