Acoustic Design Sub.12
Subwoofer with a 30-cm long-throw woofer in a down-firing configuration
The Sub.12 is the ideal complement for deep bass. A 30-cm long-throw woofer in a down-firing configuration, powered by proven digital amplifier technology with a highly efficient switching power supply, ensures realistic sound reproduction down to the lowest octave.
The built-in DSP offers a wide range of settings and adjustable EQs, allowing the subwoofer to be optimally adapted to the room and its placement. The wireless version also features a network connection and can be conveniently controlled via an app.
Colors & Finishes Sub.12 Subwoofer
- High-Gloss White
- High-gloss black
Our 2 optionsalso available as an upgrade
The Sub.12 is available in two versions: as an active speaker and as a streaming speaker.
You can purchase the speaker in its current configuration or upgrade it step by step from "Active" to "Stream."


Sub.12Active
Description
The Sub.12 is the ideal low-bass complement to your Acoustic Design speakers. The lowest octave, in particular, is especially important for realistic music reproduction—and thanks to its ability to adapt to your room and placement, you can achieve it effortlessly.
Proven digital amplifier technology with a fast, highly efficient switching power supply drives a 30-cm long-throw woofer in a down-firing configuration within a bass-reflex enclosure.
The built-in DSP offers a wide range of adjustment options and adjustable EQs. If you have an Acoustic Design System, you can simply load one of the predefined speaker profiles and save your settings to user memory.
Features
- Downfire woofer, long-throw
- Bass Reflex
- Digital amplifier with switching power supply
- DSP with adjustable EQs
- Predefined Speaker Profiles
- User Storage
- Bass Management
Technical Specifications
| Connections | RCA, XLR, Binding Posts |
|---|---|
| Woofer Diameter | 300 mm (12″), long stroke |
| Performance | 250 W |
| Dimensions W × H × D | 365 × 450 × 485 mm |
| Weight | 35 kg |
Sub.12Stream
Description
The Sub.12 is the ideal low-bass complement to your Acoustic Design speakers. The lowest octave, in particular, is especially important for realistic music reproduction—and thanks to its ability to adapt to your room and placement, you can achieve it effortlessly.
Proven digital amplifier technology with a fast, highly efficient switching power supply drives a 30-cm long-throw woofer in a down-firing configuration within a bass-reflex enclosure.
The Stream version expands your hardware and software capabilities: You can integrate the Sub.12 into your home network and conveniently configure it via an app on your smartphone, tablet, or computer—including room calibration.
Features
- Downfire woofer, long-throw
- Bass Reflex
- Digital amplifier with switching power supply
- DSP with adjustable EQs
- Space Adjustment
- Predefined Speaker Profiles
- Bass Management
- Network (LAN, Wi-Fi)
- Control via app
Technical Specifications
| Connections | RCA, XLR, binding posts, S/PDIF, LAN, Wi-Fi |
|---|---|
| Woofer Diameter | 300 mm (12″), long stroke |
| Performance | 250 W |
| Dimensions W × H × D | 365 × 450 × 485 mm |
| Weight | 35 kg |








