
Low-profile Sub-Bass Loudspeaker
Slimline 10" Subwoofer
The Optimal Audio Sub 10 is a powerful passive subwoofer designed to deliver deep, punchy bass for commercial audio systems. Ideal for hospitality, retail, and leisure environments, it enhances full-range speakers with rich low-frequency performance, making it perfect for medium-sized venues and more demanding audio applications.


Sub 10 is a slimline, passive 10” subwoofer designed for applications that call for increased impact and low frequency performance from the smaller Optimal Audio loudspeaker range. This visually unobtrusive enclosure makes it perfectly suited where space is limited such as under banquette seating.
It features a 10” (250mm) driver with a generously sized low frequency port for reduced air noise. With a peak SPL of 127dB this is a truly punchy little sub and can be used on the ground, fixed to a wall or ceiling or flown using integral M8 inserts.
An impact-resistant perforated steel grille protects the driver, and rubber feet on the base resist movement. The Sub 10 enclosure is constructed from plywood and finished in black textured paint.
SmartApp will provide amplification, optimal sound settings as well as limiters to protect the driver when playing at louder sound levels.
When teamed with Zone and WebApp, system set up and end user control is straight forward, and can be further complemented by ZonePad wall controllers.
Data sheets, manuals and resources for the Sub 10

Our AV experts are ready to help you find the perfect solution for your project.
Sub 10 is a slimline, passive 10” subwoofer designed for applications that call for increased impact and low frequency performance from the smaller Optimal Audio loudspeaker range. This visually unobtrusive enclosure makes it perfectly suited where space is limited such as under banquette seating.
It features a 10” (250mm) driver with a generously sized low frequency port for reduced air noise. With a peak SPL of 127dB this is a truly punchy little sub and can be used on the ground, fixed to a wall or ceiling or flown using integral M8 inserts.
An impact-resistant perforated steel grille protects the driver, and rubber feet on the base resist movement. The Sub 10 enclosure is constructed from plywood and finished in black textured paint.
SmartApp will provide amplification, optimal sound settings as well as limiters to protect the driver when playing at louder sound levels.
When teamed with Zone and WebApp, system set up and end user control is straight forward, and can be further complemented by ZonePad wall controllers.
| TYPE | Sub-bass loudspeaker |
| FREQUENCY RESPONSE (with preset) | 50Hz - 150Hz ± 3dB -10dB @ 42Hz |
| DRIVERS | LF: 10” (250mm) |
| RATED POWER | 250W (AES) 1000W (peak) |
| NOMINAL IMPEDANCE | 8Ω |
| SENSITIVITY (1W/1m) | 97dB (Half Space) |
| MAXIMUM SPL | 121dB (cont) 127dB (peak) (Half Space) |
| RECOMMENDED AMP | SmartAmp 30 |
| ENCLOSURE | Plywood |
| FINISH | Black textured paint |
| PROTECTIVE GRILLE | Perforated steel |
| CONNECTORS | Euroblock type |
| FITTINGS | 12 x M8, inset bolts |
| DIMENSIONS | (W) 470mm x (H) 297mm x (D) 353mm (W) 18.50” x (H) 11.7” x (D) 13.9” |
| WEIGHT | 12.9Kg (28.4lbs) |
| ACCESSORIES (available separately) | Sub Bracket (Pair) M8 Eye Bolt |
About Penguin Media Solutions
Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.
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